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Главная » Журналы » Simple coaxial reflectometer 1 ... 77 78 79 80 Hot cothode oscillator ..............................580, 676 Hot cathode phase inverter ..............................116 Hum, audio ......................................................142 Hysteresis loop - loss ..................................36, 38 I-f olignmenf .............................................148, 235 Amplifier ................................................210 Band-width graph ..................................534 Filter, lattice ............................................579 Noise limiter ..........................................227 Pass-band ................................................219 Rejection notch .......................................222 Shape foctor ..........................................219 Tuned circuit ..........................................218 Ignition noise ....................................................528 Images-image intereference-rotio 211, 213, 385 Impedance ....................................................46, 47 Antenna ..................................................408 Complex ....................................................51 Coupling -........................................56, 113 match, oudio ..........................................127 reflected ............................................56, 63 Resonant ....................................................54 Screen circuit ..........................................289 Surge ......................................................424 Tonk circuit ..............................................262 Transformation ..........................................63 transistor ..................................................97 Transmission line ....................................421 Triangle ....................................................48 Incident voltage ................................................732 Indicator, Antennoscope ....................................738 Indicator, selsyn ................................................514 Indicator - stonding wove - twin-lamp 731, 735 Induced current ....................................................42 Inductance ..........................................................37 Capacitor ................................................359 Cathode lead ..........................................122 Critical ....................................................686 Lead - Magnetic - Mutual ............81, 37 Porallel - series ......................................38 Resistor ....................................................357 Screen lead ............................................257 Induction, def. of -----...........................................42 Inductive reactance .............................................46 Inductive coupling...........................................271 Inductive tuning -.............................................617 Inductor input filter ..........................................687 Inductor, iron core ..............................................38 Inductor, time constont ...............................-------40 Infinite impedance detector ..............................224 Initial condition voltage .................................203 Injection voltage ..............................................213 Input loading ..................................------..........122 Input resistance ................................107, 216, 276 Insertion loss, filter ..........................................64 Instability, R-F amplifier..................................615 Instability, static --.........................................U7 Insulation, VHF ..................................................479 Insulotor, def. of ..........................................22, 23 Integration, electronic ......................................198 Integrator (RC) ..................................................59 Interelectrode copocitonce ..................................76 Interference - Broodcast ................................379 Harmonic ................................................373 Hi-fi- image - TV ..............386,385,371 Interlock, power ............................... ..............395 Intermodulation distortion ..................................136 Intermodulation test ..........................................145 Internal resistance ..............................................25 International Morse Code ....................................15 Interruption frequency.....................................209 Interstage coupling ...... -..................270, 619, 665 Intrinsic semi-conductor ....................................--91 Inverse current - Voltage ..................................693 Inverter, phase - voltoge divider ....115, 116, 117 Ion, def, of - positive.................................22, 87 Ionosphere, absorption ......................................13 Ionospheric loyers - propagation ..........417, 416 IR drop .................-......-..................-................24 Iron vone meter ................................................723 Isotropic radiator ..............................................410 Jitter .-......................................................154, 188 Johnson Q-feed system .....-..............................446 J operotor ....................................-.................47 Joule, def. of ................................................30, 37 Junction, transistor ..............................................93 К к, dielectric constant ..........................................32 Key clicks ..........................................................396 Keying - blocked grid .............................-----398 Cothode circuit ......................................397 Differential ..............................................400 Frequency shift ......................................326 screen grid ..............................................399 Sequence ................................................677 Tronsmitter .............................................-395 Kilocycle .........,....................................................42 Kinescope tube .................-................................84 Kirchhoffs Laws ..................................................28 Klystron - reflex ..........................................81, 82 Lamb noise limiter .................-----......................227 Layout, chassis ............................... ..............726 Lazy-H antenno ................................................468 L/C ratio ............................................................56 Leod inductonce ..................................................81 Leakoge, capacitor ............................................34 Leakage reoctance ......................................-.....63 Left-hand rule ....................................-...............35 Length, antenna ................................................405 L-section filter ............-.......................................64 Licenses, omateur ..............................................1 2 Limiter, audio ..................................................228 Limiter, diode ...........-........................................151 Limiter, F-M ......................................................324 Limiter, full-wave ..............................................230 Limiter, grid ......................................................153 Limiter, noise -...................................................227 Limiter, series diode ..........................................185 Limiter, TNS ......................................................230 Limiting circuit....................................151, 152, 185 Limiting, grid ............-......................... .............187 Line, delay ......................................................204 Line filter ........................................................227 Line regulation ........................................-.........388 Line, Slotted ......................................................730 Linear amplifier ................................................286 4CX-1000A .......-....................................641 Class В ....................................................129 * SSB....................-..............-.............-620, 624 Tuning ..................................-.............287 Linear matching transformer ..............................446 Linearity tracer ................................................151 Link circuit .........-..............................................61 1 Link coupling - antenna ..........................272, 452 Lissajous figures .................................-............144 Litz, wire ............................................................54 L-network design ..............................................265 Load line ..........................................-.................74 Lood line, transistor ..........................................99 Load resistance amplifier ..................................119 Looded-Q ............................................................57 Loftin-White omplifier ......................................118 Long-wire ontenno ............................................461 Loop feedbock ..................................................158 Loran, band ........................................................12 Loudness control, audio ......................................140 Loudspeoker - def. of - response ........139, 140 Low-frequency porosities ..................................366 Low-poss TVI filter ............................................376 Mogic eye tube............................................88, 226 Magnetic - Air gap ..........................................38 Circuit - field - flux ..........................35 eddy current ..............................................38 hysteresis loss ..........................................38 induction ..................................................37 left hand rule ..........................................35 Permeobility - reluctonce - saturation ..36 Mognetism - residual ..................................35, 37 Magnetomotive force (M. M. F.) ......................36 Magnetron ..........................................................83 Magnitude, scalar ..............................................48 Majority carrier ..................................................93 Marconi antenna ......................408, 432, 434, 438 Most, A-frame ..................................................448 Matching stub, antenna ............................445, 503 Matching systems ontenna ................................442 Motching tronsformer ......................................429 Mathematics, radio ..........................................742 Maximum usoble frequency ........................13, 417 Maxwell, def. of ..............................................36 M-derived filter ..................................................64 Measurements - Antenna ..............................730 Bridge ....................................................728 Circuit constonts ....................................727 Current - voltage ........................721, 723 Frequency ..............................................729 Porollel wire line ....................................735 Power..............................................721, 725 Transmission line ............................730, 734 Mechanicol filter ..............................................222 Mechanical filter odopter - S.S.B...........535, 590 Megacycle ............................................................42 Megohm ..............................................................24 Memory circuit ................................................204 Mercury vopor rectifier .......................-............694 Meteor bursts ....................................................420 Meter, dArsonval ..............................................721 Meter, iron vane ..............................................723 Meter, multi-range ..........................................722 Meter, rectifier ..................................................724 Meter, thermocouple ................................724, 726 Mho, def. of ......................................................74 Mica dielectric ....................................................32 Microfarad ........................................................30 Microhenry ..........................................................37 Micro-ohm ..........................................................23 Middle С............................................................134 Miller effect......................................107, 1 12, 220 Miller feedback - oscillator ................199, 247 Milliammeter ....................................................721 Millihenry, def. of ..............................................37 Mixer - circuits ..............................................212 Diode ........................................................80 Noise ......................................................212 Products, SSB - spurious ..............341, 343 SSB ........................................................340 Stage ......................................................211 Transistor ................................................100 Triode ....................................................213 Tube ........................................................79 Mobile - Amplifier, SSB ..................................620 Antenna coupling ............................520, 524 Control circuit ..........................................525 Dynamotor ..............................................526 Equipment construction - design ....524, 515 Filament regulator ..................................552 Filter circuits ..........................................518 Noise limiter ..........................................516 Noise sources ..........................................529 Power supply ..........................521, 697, 519 Supply, three-phase ................................620 Mode of resonance............................................232 Modulotion ........................................................239 Amplitude ......................................282, 647 Automatic control ....................................648 Bandwidth ..............................................283 Cothode ..................................................297 Class В ....................................................294 Constant efficiency ................................286 Distortion ................................................307 Frequency ................................................312 Grid ................................................252, 288 Heising ....................................................294 Index, F-M ..............................................314 Pattern, oscilloscope ................................146 Percentage ..............................................284 Phose ..............................................315, 319 Plate ......................................251, 293, 295 Screen ......................................................288 Suppressor ..............................................292 Transformer ........................................295 Variable efficiency ..................................285 Velocity ....................................................81 Modulator - Adjustment ................................654 Balanced - S.S.B.................331, 338, 343 Bias-shift..................................................307 Cathode follower ....................................290 Class В ....................................................125 Construction ............................................650 Crosby ....................................................590 Diode ......................................................332 Motching - impedance match ......125, 127 Reactance tube ........................................315 SSB ..........................................................340 Tetrode ..................................................647 Zero bias ................................................662 Molecule ..............................................................21 Monitor oscilloscope ..........................................147 Morse Code ........................................................15 Mu factor (m) ....................................................78 Multee ontenna ................................................440 Multi-bond ontenno ..................................436, 514 Multiplication, electronic ..................................198 Multiplier, frequency ........................................258 Multiplier resistor ..............................................722 Multi-range meters ............................................722 Multivibrator - circuits ................. .102, 154, 188 Multivibrator, free running ................................155 Multi-wire doublet ..................................429, 442 Music, def. of ................................-...................134 Music systems - scale ..............................138, 1 35 Mutual conductance ............................................73 Mutuol coupling ................................................218 Mutual coupling, onfennos ................................475 Mutual inductonce..............................................37 Mycalex, dielectric ..............................................32 Narrow-bond F-M ..............................................315 NBS bridge-T oscillator ......................................192 Negative feedback loop ....................................140 Negative peak clipping ....................................648 Negative screen current ..................................641 Networks, L and Pi ............................................265 Network, phasing ........................................ .....570 Neutralization - Amplifier ..............................252 Capacitance -----.......................................107 Capacitor, VHF ........................................672 Grid ........................................................253 Procedure ................................................279 R-F ..........................................................276 R-F amplifier ..................................616, 639 Shunt ......................................................254 Test ........................................................278 Transistor ................................................100 Neutrolizing procedure ....................................255 N1 (ampere turns) ..............................................62 Noise - Factor .......------.....-.............................1 22 Check, mobile........................................528 Generator, silicon crystol ..........................740 Limiters - mobile .............-..........227, 516 Mixer ......-.....-.........................................212 Regulator - sources ..............................528 Suppression ..................................227, 527 Thermol ogitation ...............................188 Voltage ..........................................-.......121 Wow and flutter ....................................135 Nomenclature, component ................................530 Nonconductor ......................................................22 Nondirectional VHF antenna ..............................482 Non-linear distortion ..........................................135 Nan-lineor function ..........................................202 Non-resonant transmission line ..........................421 Nonsinusoidal wave -----..................- -..............58 N-P-N transistor .........................................-........92 Octave, def. of ..................................................135 Oersted, def. of ..................................................36 Ohm - Ohms Low ....................................23, 24 Ohmmeter, low range.......................................723 Ohms Law (o.e.) .--...........................................45 Ohms Law (complex quantities) ........................49 Ohms Law for magnetic circuit ............................36 Ohms Low (resonont circuit) ...........................54 Ohms-per-volt ....................................................722 Omega, def. of .............................................. .....44 One-shot multivibrator ......................................189 On-off circuits .............................................-195 Open wire line .............................................-421 Operating desk, construction of ........................724 Operational amplifier ........................................199 Orbital electron ..................................................21 Oscillation, parasitic ............-.........279, 365, 616 Oscillator - Beat ............................................224 Blocking .....................102, 155, 156, 189 Bridge-T ..................................................192 Circuits ...................................................-250 Clapp - Colpitts ....................................241 Code practice ............................................19 Crystal ....................................................244 Dynatron ................................................242 e. c. о.....................................................241 Franklin ..................................................243 Free running ..........................................141 Harmonic ................................................247 Hartley ......................-................ ............240 High stability ..........................................604 Hot cothode ...............-..................580, 676 Keying...................................................249 Miller ......................................................247 NBS brldge-T -........................................192 Overtone ................................................249 Phase shift ....................................157, 191 Pierce ......................................................247 RC............................................................157 Oscillotor - Reloxotion ....................................102 t.p.t.g.....................................................241 Transistor ................................................Ю! Tronsistron ..............................................243 V.F.O.......................................................244 Wien-bridge ..................................157, 191 Oscilloscope ........... ..........................................138 Circuit ...........-...........-..............................112 Linearity tracer ........................................151 Lissajous figures ............... .....-................144 Modulation pottern-phase patterns 146, 145 Monitor ................-.........................147, 149 Sidebond meosurements ..........................150 Trapezoidal pottern-wave pattern 146, 148 Output, peak power ..........................................124 Overlooding, TV receiver ................................-371 Overtone crystals ..............................................249 Overtone, music --..............................................135 Oxide filament ............................................67, 69 Paper dielectric ..................................................32 ParoHel circuit - resistance --..............................25 Diode limiter..........................................186 Feed ........................................................273 Resonance...........................................54 Wire line measurements ..........................735 Parositic ontenna, design chort ........................498 Antenno, VHF ..........................................488 Beom design ..........................................494 Check for .............................-.................368 Coupling ..................................................364 Element, antenna .........................-..........497 Oscillation ..............................279, 365, 616 Resonance ..............................................364 Pass bond, l-F ..................................................219 Poss band, mechanical filter ..............................223 Pass bond, SSB filters .......................-................336 Patterns, ontenna ....................................404, 460 PE-103 dynamotor.........-------............................526 Peok amplifier current .......................-................125 Peok current (o.e.) ....................................... ......45 Peak envelope power, SSB ..................... ..........327 Peok limiter ......................................................185 Peok noise limiter ................................... ..........227 Peak power output ........................... ................124 Peoked wave.....................................................59 Pentode amplifier .........................................-120 Pentode tube ......................................................77 Period, sound ....................................................134 Permeability.......................................................36 Phantom signal ..................................................382 Phase - ongle (o.e.) ................................. ......46 Angle - difference ..........-...........146, 145 Distortion ..................................-.....109, 135 Inverter ....................................................115 Modulation ....................................315, 319 Shift, clipping ...............................-..........301 Shift, feedback ........................................193 Shift, oscillator ..................-...........157, 191 Phasing, antenno ..............................................466 Phasing generotor, SSB ......................................337 Phasing networks, oudio ....................................338 Phosing network, SSB ........................................570 Phonograph reproduction ..................................136 Photoelectric emission ..........................................67 Pickups..............................................................137 Pickup, spurious ................................................384 Pierce oscillator ................................................247 Pi-network amplifier ..........................................617 Pi-network cliart - design ....................267, 265 Pi-network coupling ..........................................453 Pilot carrier, SSB ................................................327 Pitch, sound ......................................................134 Plate current flow ............................................259 Plate detector....................................................224 Plate efficiency amplifier..................................129 Plate modulation ......................................251, 293 Plate resistance ............................................73, 74 P-N-P transistor ........................................-.......-.91 Point contact transistor ........................................92 Polar notation .................................................. -48 Polarization, antenna - VHF ....................404, 479 Polyphase rectifier ............................................693 Potential difference ..............................................22 Potential, electrode ............................................106 Potential energy ..................................................30 Power amplifier design .............-........................610 Power amplifier triode ......................................118 Power, gain ........................................................94 Power gain antenna ..........................................405 Power gain SSB ..................................................328 Power measurement .....-............................721, 725 Power interlock ................................................395 Power-line filter ................................................227 Power loss, VHF ..................-.............................663 Power, resistive ..................................................29 Power supplies ..................................................684 A.C.-D.C.................-.......-.........................694 Mobile ....................................................697 Oscilloscope ............................................141 Regulated ................................................711 Screen .....................-................................269 Selenium .................-................................561 Three-phose..................................521, 620 Transistorized ..........................................703 V.F.O......................-................................604 Voltage multiplier ...........-......-...............695 Power system, primary ......................................387 Power transformer..............................................709 Power transistor..................................................99 Powerstat auto-transformer ................................390 Preamplifier, hi-fi ..............................................138 Pre-emphasis, recording ....................................137 Preselector ........................................ ...............214 Primary transformer ............................................61 Printed circuit amplifier ......................................575 Probe, R.F, (v.t.v.m.) ..........-......-........-.............133 Product detector ...................................... .352, 237 Propagation ..............................................413-420 Pulsating alternating current ..............................45 Pulse-repetition frequency .....................103, 190 Push-pull omplifier ..................................612, 121 Push-pull tetrode amplifier ................................644 Push-pull transformer ........................................113 Push-pull tripler - doubler ..............................260 Push-to-talk circuit ..............................................526 Q omplifier tank................................................1 28 Q antenna ............................................ ........-.409 Q coils ..............................................................360 Q def. of ........-........ ..........................................54 Q looded - unloaded ......................................57 Q multiplier ............ ......................................-.236 Q tank circuit ....................................................261 Q tronsformer ....................................................429 Q tuned circuit ..................................................216 Quod antenna -.................................................471 Quodrant, sine -..............................................-----43 Quantity, complex ................................................49 Quench oscillator -----........................................209 Radian, def. of ....................................................43 Radiation, ongle of ..........................411, 460, 478 Radiation, def. of ..............................................403 Radiation, harmonic -...........................373, 725 Radiation pottern, distortion ............-.................478 Radiation resistance ................................404, 495 Radiator, isotropic .............................-................410 Rodiafor fross-seetlon, VHF ................................479 Radio frequency, def. of ................................-...42 Radio mothematics ............................................742 Radio propogation ............................................413 Rodio teletype ..................................................326 Ramp function ....................................................203 Ratio detector ....................................................323 Ratio, image......................................................21 3 RC amplifier ....................................................-109 RC audio network ..............................................139 RC differentiator - integrator -..........................59 RC oscillator - circuits ..-.......................157, 191 RC time constant ................................................60 RC transient ........................................................38 Reoctonce, antenna ...........................-................408 Reactance, capacitive - inductive - net ........46 Reactance, leakage ..............................................63 Reoctonce, resonance..........................................47 Reoctonce tube modulotor ..................................315 Read-out ............................................................201 Receiver, olignment ..................................148, 235 Receiver, omoteur bond ......................................540 Receiver, superheterodyne ..................................210 Receiver, transistor ....................................103, 533 Receivers, UHF ..............-...................................231 Reception, frequency modulation ........................321 Reception, mobile ............................................515 Reception, SSB ..........-.......................................351 Recording, constant omplitude, velocity ...136, 137 Recording, crossover point ................................136 Recording, high fidelity ......................................136 Recording, pre-emphosis - RIAA curve ------......137 Rectification, stray ..............................................383 Rectified A.C............-..........................................45 Rectifier - bridge - full wove - half wave ....689 Hash ..............................................679, 694 Mercury vapor - polyphase ........693, 694 Selenium ........-.........................................695 Silicon ...................................... --592, 696 Type meter ..............................................724 Vacuum ......................................-.............693 v.t.v.m.............-.......................................133 Reflected impedonce ....................................57, 63 Reflected voltage ................................................732 Reflectometer, coaxial ........................................732 Regenerotion ..... -........................ ......................208 Regulated power supply ....................................711 Regulation, power line ......................................388 Regulation, voltage ..-........................................686 Regulator, filament ............................................552 Regulator noise ..................................................528 Regulator tube (VR) ........................................709 Regulator, voltage ........................-.....................687 Rejection notch, (-F ............................................222 Rel, def. of .......--.................................................36 Reloxotion oscillator .............................-102, 188 Reluctance, def. of ............................................36 Remote cut-off tube ............................................78 Residuol mognetism ..-.......................................37 Resistance: ..........................................................23 capocitonce filter..............-.......................687 Dynamic ....................................................95 goin..........................................................94 Ground ..................................................410 Input ..............................................107, 216 Internal - porollel - series ..................25 load ...........................-............................119 plote ..................................................73, 74 Resistance - Radiation ....................................404 Resistive power ....................................................29 Resistivity, table of ..............................................23 Resistor, bleeder ......................................27, 709 Resistor, characteristics of ..................................356 Resistor color code -................... ................ .....531 Resistor, equalizing ............................................34 Resistor, inductance of ........................................357 Resistor multiplier - .-........................................722 Resistor, typical ....................................................24 Resonance: .................................................. .......47 Antenna ................................................404 Current ........-............................. ...............56 Curve - parallel - Series ................53, 54 Filter ........................................................688 Impedonce-Q ...................................-----54 Mode ......................................................232 Oscilloscope pattern ................................149 Parasitic ..................................................364 Speaker ..................................................140 Resonant cavity..................................................232 Resonant circuit ............................................53, 54 Resonant transmission line ................................424 Response, audio ......................................112, 136 Return trace ......................................................140 R-F olignment ....................................................236 R-F amplifier: ............................................213, 251 4CX-1000A ..............................................640 Cathode driven ........................................626 Construction ............................................616 General purpose ........-............-................635 Grounded grid - grounded screen 626, 629 Inductive tuning ...........-...................-......617 Instability - neutralization ....615, 616, 639 Oscillation ................................... ..........616 Pi-network...................... .-....................617 Push-pull ................................................612 Self-neutralization ...................................-616 Tetrode ....................................................614 R-F chokes ........................-.......................272, 361 R-F feedback ..................................................274 R-F ground ........................................................362 R-F interstage coupling......................................619 R-F shielding ......................................................362 Rhombic antenno .............-...................464, 486 Rhumbatron cavity............................................232 RIAA equalizer curve ........................................137 Ribbon TV line ...........................................-......478 Ring diode modulator ........................................333 Ripple factor, filter ...............---------....................688 Ripple voltage ...............---------------......-.............686 RL circuit ............-..........................--------...............40 RL transient ........................................................38 RLC circuits ..................-.......................... .........48 Root mean square (a.c.) ....................................45 Rotary beam ontenno ........................................494 Rotator, antenna ..............------..........................512 Ruggedized tube ..................................................88 Safety bleeder ....................................................395 Safely precautions .......................--------.............393 Saturation current -----..........-..............................72 Saturation, magnetic ..........................................36 Sawtooth wave..........................................59, 140 Scalar notation ....................................................48 Scale, musical ......................................... ..........1 35 Scatter signals ............................ .--.................419 Screen, CRT ........................................................87 Screen current, negative ------------------................641 Screen grid keying............................................399 Screen grid tube ..................................................77 Screen leod Inductance................-....................257 Screen modulation ............................................288 Screen supply .........................................269 Secondary emission ........... .......................71, 77 Secondary transformer .....................................--61 Selective fading, SSB ........................................331 Selectivity, arithmetical ....................................-211 Selectivity chart.................................................342 Selectivity control, l-F ......................- -..............221 Selectivity, mobile reception ..............................517 Selectivity, resonant circuit -.........-..................-54 Selectivity, tuned circuits ..................................341 Selenium power supply ............- 561, 669 Selenium rectifier ..............................................695 Self-inductance ........ ...... ....... .........................37 Self-neutralization omplifier ..............................616 Self-neutralization, VHF ...........- .............664 Selsyn indicator ..................................................514 Semi-conductor ..............................................90, 21 Semi-conductor rectifier ....................................695 Sequence keying ................................................677 Series-cathode modulator -------.......................... 297 Series circuit ......................................................24 Series-derived filter .................................... .....64 Series-diode limiter -.........-.....................151, 185 Series feed ........................................................273 Series-feed amplifier -----........-................ --.612 Series-parallel circuit ........................................25 Series resistance - resonance....................25, 53 Shape factor, l-F ..............................................219 Shielding, R-F ...................................................-362 Shot effect ......-.................................-- .123 Shunt derived filter ............................................64 Shunt looding, a.v.c............ ...... .......................226 Shunt neutralization ..........................................254 Sidebands, def. of ........................................ ...282 Signal, error..........................- -..............159, 193 Signal, phantom ...................................-..........382 Signal-to-distortion ratio - SSB ..........151, 344 Signal-to-noise ratio ........................................122 Silicon crystal noise generator ................-.........740 Silicon rectifier ..........-.............................592, 696 Sine wave ..........................................--------42, 43 Single-ended omplifier .................-....................611 Single sideband (SSB): ..................285, 329, 327 Amplifier, 4CX-1000A ..............-..........640 Envelopes ......-.........................................330 Envelope detector................................151 Equipment -------.............---........................567 Filter ...................................................-327 Filter system ...................-..........- .-..........590 Grounded grid amplifier -............-..........626 Grounded screen amplifier ......................629 Jr. exciter .....................................-.........-346 Linear omplifier..................................620 Linear amplifier, kilowatt ..............-......635 Linear operotion ......................................138 Measurements ......................................150 Reception ........................-----------.............351 Transmission .....------.................................327 Transmitter adjustment ..................-......-573 Single signal reception -----........-----......-.............222 Single swing oscillator .....................................-189 Single-wire antenno tuner -----...... ..-.................456 Single-wire feed, antenna ..................................441 Single-wire feeder ........................-.....-.........--430 Six-shooter ontenna ..............-...........................472 Skeleton VHF antenna .............................-......-.481 Skin effect ............................-.............................54 Skip distance ..............-...................................-418 Sky wave -..... ....................................-......414 Sleeve antenno ............-...................................--480 Slide-wire bridge .........................-....................728 Slope detection ..................................................210 Slotted line ........................................................730 S-meter circuits ..................................................226 Soldering tectiniques ........................................727 Sound in air ................................................ 34 Spoce charge ..............................................71, 78 Space wove........................................................414 Speaker response ............................................140 Speaker tweeter ................................................139 Specific resistonce ..............................................23 Speech amplifier construction ...........................-655 Speech clipper filter......................................--304 Speech clipping .....-................124, 291, 300, 648 Speech filter, high level ............-...................- 305 Speech waveforms ...........-........285, 294, 301, 648 Splotter suppressor ..................................302, 647 Sporadic-E propagation ................ ..................418 Spotter, frequency ................. ............................730 Spurious emission - spurious pickup ........383, 384 Spurious products, mixer ..................................343 Square wave - square wave test ........58, 61, 62 Stacked antenna - stacked dipole ..-.....498, 468 Standard frequency .....................................-.729 Standard pitch ..................................................135 Standing wave ........................................403, 423 Stonding-wave indicator .................................-73! Static, corona ....................................................529 Static, wheel......................................................528 Steering diode ............ .......................................103 Step-by-step counter ................................156, 190 Sterba antenna ..................................................469 Storage time, diode ............................................103 Stray capacitance ..............................................218 Stub match, antenna ........................................503 Summation voltage ............................................197 Summing amplifier ............................................201 Sunspot cycle ....................................................419 Superheterodyne receiver ..............-...................210 Super-imposition tuning -.................................553 Super-regenerotive detector .........................-----209 Supply, a.c.-d.c................................................588 Suppression, oudio ..............-.............................306 Suppression circuits, porosities............................366 Suppressor ..........................................................77 Suppressor modulation ......................................292 Suppressor, splotter ..........................................302 Surface wove ....................................................414 Surge impedance ................................................424 Susceptonce, def. of ............................................52 Sweep frequency ...................................-...........-140 Switching, transistor action .........................-----704 SWR bridge ..............................................458, 736 Symmetry, amplifier .........................-................612 Synchronizotion, generator ................................173 Synchronizing voltage .............................-..........172 Synchronous detection, DSB ..............-...............353 Tank capacitance ..............................................261 Tank circuit - efficiency ........................55, 57, 58 Tank circuit impedance - looding ........262, 264 Tank circuit Q .......................................... .........128 Technicion class amateur license ..........................12 Teletype, rodio ........... ......................................326 Television interference ......................................371 Temperature coefficient ......................................32 Ten-A, SSB exciter ............................................347 Ten-meter transceiver ........................................559 Terman-Woodyard amplifier ..............................298 Terminotion, transmission line ............................425 Termination, VHF rhombic ..................................487 Test equipment ..................................................721 Tetrode amplifier, push-pull ..............................644 Tetrode modulator ............................................647 Tetrode neutralization ......................................256 Tetrode r-f amplifier ........................................614 Tetrode, screen safety circuit ............................679 Tetrode, self neutrolizotion ................................664 Tetrode tube ........................................................77 Thermol ogitotlon noise ....................................Ififi Thermionic emission ..........................................67 Thermocouple meter .............. ...................724, 726 Three-phose power supply ......................521, 620 Threshold voltoge ..............................................696 Thyrotron tube ....................................................87 Time-base generator ..........................................139 Time constont ............. ................................38, 60 Time sequence keying ........................................400 T-motch antenna -...........................................501 T-motch system ..................................................444 TNS limiter ........................................................230 Tools, radio ......................................................721 T.P.T.G. oscillofor ..............................................241 Trace - cathode ray ................................86, 140 Trocking copocitor ............................................216 Tronsceiver, 28 mc...........................................559 Tronsceiver, 50 mc...........................................552 Transceiver, VHF .................................-........ -.578 Transconductance ..........................................74, 79 Transducer - pickup ..............................138, 137 Transformation, impedance ..................................63 Tronsformotion ratio ..........................................62 Transformer - ampere-turns ........................61, 62 Antenna match ........................................502 Auto ..........................................................63 Coupling ..................................................11 3 l-F .-.............-.........................................211 Linear matching .............................-........446 Motching - impedonce match ..........429, 63 Modulator ..............................................295 Power ......................................................709 Vibrator ..................................................588 Tronsformerless power supply ............................694 Transient circuit (o.c.) ........................................59 Tronsient distortion ..........................................135 Transient, RC, RL - transient wave ............38, 58 Transistor .............................-........................90, 92 Bias ..........................................................96 Code oscillator ..........................................19 Complementory circuit ................................97 Drift ..........................................................93 Equivalent circuit .......-................................95 Heat sink .......................-................576, 707 Impedance ................................................97 Junction ....................................................91 Mixer ............-.........................................100 Multivibrator ............................................102 Oscillator ................................................101 Point-contact ............................................95 Power ........................................................99 Receiver ..................................................533 SSB equipment ........................................574 Switching oction .........................-............704 Transistorized mobile supply ............ ........ ........703 Transit time .......................................................-81 Transitron oscillotor ............................................243 Transmission, duplex ..........................................597 Transmission line chort ......................................422 Circuits .......................-............................231 Coaxiol ..-...............................................423 Discontinuities ..........................................425 Impedance ..............................................421 Measurements ................................730, 734 Resonant - non-resonant ..............424, 421 Termination...........................................425 VHF..........................................................478 Transmitter - Construction ..............................663 Transmitter - Control circuits ..........................391 Design ....................................................356 Ground ....................................................394 Keying...................................................395 Oscilloscope, monitor of..........................147 Receiver, VHF ..........................................597 Trapezoidal pattern, oscilloscope .............-..........146 Trap-type antenna ........................... ................514 Travelling wove tube ..........................................84 Travis discriminotor ............................................322 Triode amplifier ................................................110 Triode mixer ......................................................213 Triode power omplifier ......................................118 Triode tube ........................................................72 Tripler, push-pull .....................................-..........260 Triplex antenna ................................................475 Tropospheric propagation ..................................415 T-section filter ....................................................64 Tube, vacuum ....................................................67 Tube, VHF design ............................................232 Tube, water cooled (4V/-300B} ........................620 Tubular transmission line ..................................422 Tuned circuit, coaxial........................................232 Tuned circuit, l-F ..........-........-...........-................218 Tuned circuit, r.f omplifier ................................121 Tuned circuit Q .....................................-............216 Tuned circuits, selectivity..................................341 Tuner, antenno..................................................456 Tuning, bandspead ..........................................217 Tuning indicators ................................................226 Tuning, inductive ................................................617 Tuning, super-imposition ..................................553 Turnstile ontenna ............................................480 TVI filters ..................................................373, 378 TVI-proof enclosures - openings ..........724, 725 TVI suppression................................................375 TVI-fype filter...................................................64 Tweeter speaker ................................................139 Twin lamp ..........................................................735 Two-bond Marconi ontenna.............................-438 и Ultra-linear amplifier ..............................142, 146 Unidirectional antenna ......................................504 Uni-potential cathode ........................................70 Unity coupling ..................................................271 Unloaded Q ........................................................57 Vacuum capacitor ..............................................360 Vacuum tube: ......................................................67 Amplification......................................73, 74 Beom power ..............................................78 Cathode ray..............................................84 Classes - clossification ....................107, 87 Conductonce ..............................................73 Constant-current curve ............................127 Diode ........................................................71 Equivalent noise resistance ......................123 Foreign -...................................................89 Gas ..........................................................87 Input loading ..........................................1 22 Klystron ...............................................81 Load line ..................................................74 Magic eye.............................................88 Magnetron................................................83 Mixer ....................................-...................79 Operation ........................-.........................75 Parometers ..............................................106 Pentode ......................................-------.......77 Plofe resistance..................................73, 74 Polarity reversal ........................-..........--76 Remote cutoff ............................................78 Vocuum - Shot effect ......................................123 Spoce charge ............................................89 Tetrode ....................................................77 Thyrotron ..................................................87 Travelling wave ........................................84 Triode ......................................................72 Upper frequency ......................................232 Voriable mu (д) ....................................124 VHF ..........................................................80 Voltage regulotor ....................................87 Voltmeter ........................................130, 724 V-Antenno ........................................................462 Vorioble-mu (д) tube ......................................124 Voriable reluctonce pickup ..............................137 Vorioc outotransformer ......................................390 Vector, sine-wave ................................................43 Vehicular noise suppression ................................527 Velocity modulation ............................................81 Vertical ontenno .............................................. -430 Vertical directivity ..............................................411 VFO, construction ..............................................676 VFO, high-stability ............................................604 VHF Amplifier ....................................................214 Antennas ................................................477 Antenno polarization ..............................479 Antenna relay ........................................478 Bands, charocteristics ................................14 Corner reflector antenno ..........................485 Coupling, interstage ................................665 Definition of ............................................477 Discone antenna-ground-plane antenna 481 Hondie-tolkie ........................................-547 Helical antenna - Horn antenna ....483, 486 Multi-element antenna ............................488 Neutralization capacitor ..........................672 Nondirectional ontenna ..........................482 Porosities ................................................366 Power loss ................................................663 Radiation ongle - rodiotion pattern ....478 Rhombic antenno ......................................486 Screen antenno ........................................491 Self-neutralization ..................................664 Sleeve ontenna ........................................480 Transceiver.............. .....................552, 578 Transmission line ....................................478 Tronsmitter-receiver ..................................597 Turnstile ontenna ..................................480 Vavelength table ....................................479 Vibrator power supply ......................................588 Vibrator, split-reed ............................................698 Video amplifier ........................................П 2, 128 Volt, def. of ........................................................22 Voltage - Amplifier ........................................110 Avolonche ................................................697 Breok .............-..........-.............................203 Breakdown ................................................32 Decay ........................................................40 Divider ................................................26, 52 Divider, phase inverter ............................117 Drop, summation ........................................28 Gradient ..................................................39 Incident..................................................732 Injection ..................................................213 Initial condition - -..................................203 Instantaneous ............................................44 Inverse ....................................................693 Measurement ..................................721, 723 Multiplier power supply ............................695 Noise......................................................121 Output ....................................................685 Reflected .........-............-.................-.......732 Regulotion .....................................-686, 687 Regulotor tube ............................-.....87, 709 Voltage - Resonant..........................................54 Ripple ..............-.............................-.........686 Summation ..............................................197 Synchronizing ..........................................141 Threshold ................................................696 Voltmeter ..........................................................722 Voltmeter, A-C V-T ............................................724 Voltmeter, diode ..............................................724 Voltmeter, vacuum tube ..............................130, 724 Voit-ohmmeters ..............-...................................722 Volume compression ..........................................648 Wagner ground ................................................729 Water cooled tube {4W-300B) ........................620 Watt, def. of ......................................................29 Wave - Carrier ................................................207 Ground ....................................................414 Harmonic - nonsinusoidal ........................58 Pattern, oscilloscope ................................148 Peaked - sawtooth ................................59 Sky - space ..........................................414 Square - transient ..................................58 Surface ....................................................414 Waveform ..................................................59, 143 Waveform, speech ............................285, 301, 648 Wavelength, def. of ..........................................405 Wavelength table, VHF......................................479 Wave-shaping circuits......................................185 Weston cell ........................................................24 Wheatstone bridge ..-................................ 728 Wheel stotic ......................................................528 Wien-bridge oscillotor ............................157, 191 Williamson amplifier ........................................141 Wire, litz .................................................. -54 Wiring hints ..........................................-...........531 Wiring technique, audio ....................................142 Workshop practice - loyout ..................720, 729 W8JK antenna ............-........................ .......473 WWV transmissions ...................... ...........-729 X-orray antenna ................................................469 Yogi, odjustment ...............................................-509 Y, (odmittonce, def. of) ....................................52 Yogi ontenna - feed systems ..............-.494, 498 Yagi ontenno, VHF ............................................488 Yagi, construction ..............................................506 Yoke motch ...................- -................................498 Zeppelin antenna ................................. ...........-427 Zero-bios modulator ..........................................662 ![]()
PREPARES YOU FOR THE F.C.C. RADIOTELEPHONE LICENSE EXAMINATION Now, in one convenient volume, complete study-guide questions witti clear, concise answers for preparation for oil U.S.A. commerciol radloteleptione operators license excminotions. CONTAINS FOUR ELEMENTS: I. QUESTIONS ON BASIC LAW II. BASIC OPERATING PRACTICE 11. BASIC RADIOTELEPHONE V. ADVANCED RADIOTELEPHONE BUY FROM YOUR FAVORITE DISTRIBUTOR a above price or odd 1 0 on direct mai\ orders fo; EDITORS end ENGINEERS, ltd. SUMMERLAND CALIFORNIA Bookstores: Order from Baker & Taylor Co., Hillside, N.J. ![]() 1 ... 77 78 79 80 |
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