《Electronics manual for radio engineers》

Ⅰ.ANTENNAS1

Effect of Feed on Pattern of Wire Antennas1

Antenna Power Divider4

Phasing Networks for Broadcast Arrays5

Phase Monitor for Broedcast Arrays9

Adjustment of Directional Antennas11

Muiti-Wire Dipole Antennas14

Low-Impedance Loop Antenna for Broadcast Receivers16

F-M and Television Receiving Antennas20

F-M Antenna Coupler21

Triplex Antenna for Television and F-M23

Cooperative Two-Station Antenna System26

Clip-on Antenna Meter27

Slotted-Cylinder Antenna28

Remote Indicating Antenna Ammeter31

Transport Aireraft Antenna Characteristics32

Aireraft Antenna Pattern Plotter34

Cavity Airersft Antenna37

Artifieial Antenna39

Mierowave Antenna Beam Evaluator44

Ⅱ.AUDIO49

Crystal Pickup Compensation Circuits49

Automatic Gain Control and Limitifig Amplifier53

Dynamic Suppression of Phonograph Record Noise57

Dynamic Noise Suppressor60

Audio Noise Reduction Circuits66

Background Noise Suppressor71

Audio Mixer Design72

Automatie Fader74

Volume Expamder Design75

Surgeless Volume Expander79

Three-Band Variable Equaliser80

Automatic Audio Phase Reverser83

Low-Distortion Crossover Network85

Technique for Distortion Analysis87

Beat-Frequency Tone Generator with R-C Tuning91

Design of Loudspeaker Dividing Networks92

Simple Harmonic Wave Analyzer94

Wow Meter for Turntable Testing97

Mierophone Calibrator100

Thermistor-Regulated Low-Frequeney Oseillator103

Volume Compressor for Radio Stations106

Frequency Response of Magnetic Tecording107

Reverberation Time Nomographs112

Voice-Operated Electronic Relay113

Instrument for Intermodulation Measurements115

Intermodulstion Teating116

Phase-Shift Oscillator Deaign Charts121

Teleponr Recording123

Ⅲ.CIRCUIT THEORY125

Cathode Follower Circuits125

Graphical Solutions for Cathode Followers131

Analysis of Cathode Follower137

Cathode Follower of Very Low Output Resistance139

Bandwidth vs. Noise in Communication Systems140

Wideband Phase Shift Networks144

Stabilised Negative Impedances148

Constant-Current Circuite170

Design of Phantastron Time Delay Circuits174

Self-Switching R-F Amplifier182

Frequency Control foe Low-Impedance Oscillator Tanks186

Conversion from Series to Parallel Impedance187

Graphical Determination of Percent Harmonic Distortion188

Optimum Conditions for an R-C Oscillator189

Pulse-Modulated Oscillator191

Equivalent Series and Parallel Impedances197

Design Curves for Parallel-T Network197

Cathode-Coupled Half-Shot Multivibrator199

Voltmeter Losding201

Reactance Networks with Resistance Terminations203

Cathode Follower Nomograph209

Cathode Follower Nomograph for Pentodes210

Cathode Follower Impedance Nomograph211

DB Gain-Loss Calculator213

Impedance Nomograph213

Impedance-Admittance Conversion Chart213

Theoretical Signal-to-Noise Rstios214

Two-Terminal Oscillator218

Ⅳ.COMPONENTS221

Frequency Stability of Tuned Circuits221

R-F Inductance Meter224

Temperature Coefficients in Electronic Circuits227

Mutual Inductance of Concentric Coils232

Resonance in Mica Capacitors233

Gifg-Q Iron-Cored Inductor Calculations234

Measuring Coil Characteristics Without an Impedance Bridge239

Crystal Rrctifiers243

Ⅴ.D-C AMPLIFIERS251

Survey of D-C Amplifiers251

D-C Amplifier Design Techniques257

Bridge-Balanced Amplifiers262

D-C Amplifier for Low-Level Signals265

A Stable D-C Amplifier271

A D-C Amplifier of High-Current, Low-Impedance Output276

Gas-Tube Coupling for D-C A mplifiers278

High-Gain D-C Amplifier280

Stabilised D-C Amplifier with High Sensitivity281

Cathode Follower Coupling in D-C Amplifiers283

Ⅵ.FILTERS289

Resistance-Capacitance Filter Chart289

High and Low-Pass Filter Dwsign291

R-C Bandpans Filter Design292

The Effect of Incidental Dissipation in Filters295

Filters for Electronic Equipment301

Pi Networks as Coupled Tank Circuits301

Single-Sideband Crystal Filters306

Phase-Shifter Nomograph311

The Swinging Filter312

Transient Delay Line317

Ⅶ.IONOSPHERE321

Propagation of Very Short Waves321

2-MC Sky-Wave Transmission331

Ionosphere Measuring Equipment340

Ionosphere Equipment for Field Use345

Recording Sky-Wave Signals348

Measurement of VHF Bursts352

Ⅷ.MEASUREMENTS354

R-F Bridge for Broadcast Stations354

FCC Frequency Measurement Techniques357

Components of UHF Field Meters359

Design of F-M Signal Generator365

Wide-Range Sweeping Oscillator370

VHF Impedance Measurements374

Wide-Range Signal Generator with Automatic Amplitude Control377

High-Aocuracy Signal Generator378

Direct-Coupled R-F Amplifier379

Power Measurements at Vary High Frequencies379

Frequency-Scanning VHF Impedance Meter381

Calibrating Laboratory Standards Against WWW384

Checking UHF Oscillator Stability385

VHF Transmitter Power Measurements386

Static for Radio Receiver Tests387

Noise Generator for Receiver Measurements390

Noise Meter393

Oscilloscope for Pulse Studies394

Direct-Coupled Oscilloscope398

Catliode-Ray Q Meter403

Time-Base Calibration404

Pulse Transmission in Amplifiers407

Electronic Switch for the Production of Pulses418

Stable Voltmeter416

Pulse Response of Diode Voltmeters419

High-Frequency Crystal Voltmeter423

Measuring Complex Components424

Impedance Measurements427

Grid-Dip Oscillator428

Phase Meter428

Construction of Shieded Room in VHF Field430

Radiation from R-F Heating Generators432

Measuring and Monitoring Broancast Frequencies433

Measuring Pulse Characteristies434

Measurement of Velocity of Propagation in Cable439

High-Resistance D-C Voltmeter441

Measuring Mutual Inductance and Capacitance444

Carrier-Frequency Voltmeter445

Ⅸ.MICROWAVES447

Engineering Approach to Waveguides447

Waveguide Date452

Minimum Attenuation in Waveguides455

Circular Waveguide Fields458

Apertures in Cavities462

Cavity Oscillator Circuits466

Waveguide Transmission Systems469

Coaxial Butterfly Circuits474

Simplified Microwave AFC479

Impedance Measurements at VHF489

UHF Impedance Measurements494

Compararor for Coaxial Line Adjustments497

SHF Heterodyne Frequency Meter501

Direct-Reading Wavemeter Design504

Busser Signal Generator for 3,000 Mc508

Improving Stability of UHF Oscillators509

Variable-Frequency Oscillator for 25 Centimeters512

Stabilising Freguency of Reflex Oscillators514

3-CM Continuous-Range Oscillator515

Bolometer Amplifier517

Piston Arrenuator519

Standing Wave Meter520

Ⅹ.POWER SUPPLIES524

Analysis of Full-Wave Rectifier and Capacitive-Input Filter524

Thermionic Rectifier Circuits528

Voltang-Regulated Power Supplies532

Multi-voltage Regulated Power Supplies537

Versatile Power Supply539

Power Supply for Microwave Equipment540

Filter Ripple Chart544

Automatic Control of Battery Charging545

Voltage-Stabilised Bias Supply for Power Tubes546

A Variable-Frequency Electronic Generator547

ⅩⅠ.PRODUCTION550

Sensiticity Limits in Radio Manufacturing550

Quality Engineering in Tube Manufacture553

Shrinkage Analysis in Tube Manufacture556

Quality Control in Tube Manufacture558

Central Signal Generator for Production Testing562

Automatic Limit Bridge for Production Testing567

Direct-Indicating Comparison Bridge for Production Testing570

Frsquency Meter for Use by Fsctory Personnel571

Pulse-Type Tester for High-Power Tubes572

Overvoltage Testing of Capacitors577

Curve-Tracer for Acoustic Devices579

Tube-Seasoning Timer583

Soldering Litz Ends583

Concentricity Tester for Enamel Film on Wire584

B-H Curve Tracer for Lamination Samples585

ⅩⅡ.RECEIVERS590

Adjustable-Bandwidth F-M Discriminator590

Single-Stage F-M Detector593

Nonlinear Limiter596

F-M and A-M Receiver for Comparison Tests597

Synchronised Oscillators as F-M Receiver Limiters598

Squelch Circuits for F-M Receivers604

Superregenerative Detection Theory606

Superregenerator Design609

Single-Sideband Converter612

Superregenerative Detector Selectivity613

Superregenerative Circuit Applications617

Wideband I-F Amplifiers620

AGG-Noise Considerations in Receiver Design624

Noise and Output Limiters627

Simplified Single-Sideband Reception639

Single-Signal Single-Sideband Adaptor643

Tracking Permeability-Tuned Circuits645

Tracking the Permeability-Tuned Circuits646

Permeability Tuned of Broadcast Receivers647

Method of Plotting Tracking Error652

VHF Receiver Measurements653

High-Level Detector654

Directly Coupled Phase Inverter655

Noise-Free Code Receptin656

Mixer Frequency Charts659

Beat-Frequency Interference Chart660

Reduction of Heterodyne Interference661

Surge Proterction of Pilot and Heater Circuits662

Use of Shunt Diode for Supplying Bias Voltage664

Diode Contact Potential for Negative Bias665

Remote Tuning with Reactance Tubes667

Continuously Variable Radio Remote Control669

Radio Control Circuit672

ⅩⅢ.TELEVISION673

Carrier-Difference Reception of Television Sound673

Timing Aetion of the Blocking Oscillator676

Design Factors for Intercarrier Television Sound678

Dtagger-Tuned Amplifier Design682

Multivibrator Design by Graphic Methods685

Low-Frequency Compensation for Amplifiers688

Clipping and Clamping Circuits691

Square-Wave Differentiating Circuit Analysis694

Current Oscillator for Television Sweep698

Iron-Core Components in Pulse Amplifiers702

Square-Wave Response708

Multivibrator Circuits709

Linear Sweep Circuits711

Pulsed Rectifiers for Television Receivers713

Transient Video Analyser714

Test Oscilloscope for Television720

Television Synchronising Signal Generator722

Counter Circuits for Television728

Television Receiver Laboratory732

Television Resolution Chart735

Television Service Areas738

Photometry in Television Engineering739

Simplified Television System743

ⅩⅣ.TRANSMISSION LINES748

Design of Transmission Line Tank Circuits748

Characterisitc Impedance of Balanced Lines753

Vectorial Treatment of Transmission Lines754

Mismatch Loss Chart for Transmission Lines757

Transmission Lines as Tuning Elements758

High-Frequency Cable Design760

ⅩⅤ.TRANSMITTERS764

F-M Transmitter Performance Measurements764

Hum-Reducing Circuit767

Wide-Deviation Reactance Modulator768

Extending Linear Range of Reactance Modulators770

Stability of Crystal Oscillators771

Transmitter Breakdown Alarm774

Wide-Angle Phase Modulator775

Cascade Phase-Shift Modulator779

Serrasoid F-M Modulator785

F-M Service Areas789

Overmodulation Without Sideband Splatter790

Brldging Amplifier for F-M Monitoring796

Low-Impedance Reactances for VHF799

UHF Repeaer Station802

F-M Shore-Range Carrier System805

Quick Neutralising Tests810

Simplified Carrier-Failure and Tone Alarm System811

Frequency Deviation Measurement of F-M Transmitters812

Using Phone Line for Remote Indication of Overmodulation814

Speech Scrambling Methods815

Automatic Control Circuits for Broadcast Transmitters821

Foolproof Cuing System for Broadcast Stations825

Grounded-Grid Power Amplifiers826

ⅩⅥ.TUBES830

Filament and Heater Characteristion830

Graphical Determination of Operating Point of Self-Biased Tube835

Tube Failures in Eniac837

Producing Tube Curves on an Oscilloscope840

Disk-Seal Tubes844

Klystron Oscillators849

Testing Cathode-Ray Screens856

Photogaphing Patterns on Cathode-Ray Tubes861

Noise in Gas Tubes869

Simple Test Set for Mercury Vapor Rectifiers872

INDEX873