Technician's Radio Receiver Handbook (eBook)

Cover 1
TOC$Contents 6
Preface 10
CH$Chapter 1. The Role of the Receiver 12
CH$Chapter 2. Radio Receiver Architectures 14
Signals, Noise, and Reception 14
Radio Receiver Architectures 17
CH$Chapter 3. Receiver Performance Factors 24
Units of Measure 24
Noise 25
Static Measures of Receiver Performance 30
Dynamic Performance 38
CH$Chapter 4. The Receiver Front End: An Overview 48
Front-End Architectures 48
Mixer and Local Oscillator Performance 50
Noise Performance of the System 51
Spurious Responses 52
Intercept Points 52
Second-Order Intercept Point 52
Third-Order Intercept Point 53
nth-Order Intercept Point 53
RF Amplifier 54
CH$Chapter 5. Front-End Filtering 98
Inductor-Capacitor Resonant Tank Circuits 56
Tuned RF Transformers 59
Construction of RF/IF Transformers 60
Bandwidth of RF/IF Transformers 61
Problems with IF and RF Transformers 64
Choosing Component Values for L-C Resonant Tank Circuits 66
The Tracking Problem 68
The RF Amplifier/Antenna Tuner Problem 68
The Local Oscillator Problem 70
Bandspreading 71
Single-Frequency Filtering vs. Bandpass Filtering 72
VHF/UHF Circuits 74
UHF/Microwave Frequencies 75
Surface Acoustic Wave Filters 77
CH$Chapter 6. RF Amplifiers and Preamplifiers 56
Noise and Preselectors or Preamplifiers 80
Amplifier Configurations 80
Simple Bipolar Transistors 80
Transistor Gain 82
Leakage Currents 82
Classification by Common Element 83
DC Load Lines, the “Q” Point, and Transistor Biasing 84
Transistor Biasing 85
Frequency Characteristics 87
JFET and MOSFET Connections 87
JFET Preselector 88
VHF Receiver Preselector 89
MOSFET Preselector 91
Voltage Tuned Receiver Preselector 91
Broadband RF Preamplifier for VLF, LF, and AM BCB 93
Push-Pull RF Amplifiers 93
Broadband RF Amplifier (50 O Input and Output) 97
Broadband or Tuned RF/IF Amplifier Using the MC-1350P 98
CH$Chapter 7. RF Mixer and Frequency Converter Circuits 102
Diplexer Circuits 103
Types of Mixer 104
JFET and MOSFET Double-Balanced Mixer Circuits 109
Double-Balanced Diode Mixer Circuits 112
Bipolar Transconductance Cell DBMs 115
Preamplifiers and Postamplifiers 117
CH$Chapter 8. Local Oscillator and Frequency Synthesizer Circuits 120
L-C Variable Frequency Oscillators 120
RF Oscillator Basics 120
Barkhausen’s Criteria 121
Basic Categories of VFO Circuit 121
Power Supplies for VFO Circuits 121
Some Basic Circuit Configurations 121
Crystal Oscillators 130
Tactics to Improve Oscillator Accuracy and Stability 146
Frequency Synthesizers 154
CH$Chapter 9. IF Filters. General Filter Theory 162
L-C IF Filters 162
Crystal Filters 164
Mechanical Filters 170
CH$Chapter 10. IF Amplifier Circuits 174
Filters 174
Amplifier Circuits 174
Cascode-Pair Amplifier 176
“Universal” IF Amplifier 177
Coupling to Other Filters 179
IC IF Amplifiers 180
IF Processing ICs 181
Successive Detection Logarithmic Amplifiers 183
Filter Switching in IF Amplifiers 184
CH$Chapter 11. Detector and Demodulator Circuits 186
AM Envelope Detectors 186
Noise 190
Balanced Demodulators 190
Synchronous AM Demodulation 191
Double-Sideband and Single-Sideband Suppressed Carrier Demodulators 191
Phasing Method 195
FM and PM Demodulator Circuits 196
Discriminator Circuits 197
Ratio Detector Circuits 198
Pulse Counting Detectors 199
Phase-Locked Loop FM/PM Detectors 200
Quadrature Detector 200
CH$Chapter 12. The Other Receiver Circuits 202
Noise Blankers and Limiters 202
Automatic Gain Control 204
Gain Controlled Amplifiers 205
Squelch Circuits 208
Automatic Frequency Control 209
CH$Chapter 13. Monolithic Microwave Integrated Circuits 212
Internal Circuitry 214
Basic Circuit 214
Other MAR-X Circuits 216
Multiple Device Circuits 219
Universal, Fixed-Gain Preamplifier 222
Mast-Mounted Wideband Preamplifier 223
Broadband HF Amplifier 224
CH$Chapter 14. Spectrum Analyzer Receivers 226
Using the Frequency Domain 227
Spectrum Analysis 229
Resolution 232
Using the Spectrum Analyzer 235
CH$Chapter 15. Digital Signal Processing 238
ADC Noise 239
Receiver Architectures 239
CH$Chapter 16. Special Purpose Receivers 244
Spread Spectrum Receivers 244
Scanning Superheterodyne Receivers 245
Instantaneous Frequency Measurement Receivers 245
Microscan Compressive Receivers 246
Bragg Cell Receivers 247
CH$Chapter 17. Receiver Tests and Measurements 250
Signal Sources and Signal Generators 250
Output Signal Quality 253
Frequency 253
Spectral Purity 254
Architectures 256
Modulators 259
Sweep Generators 260
Improving the Quality of Signal Generator Use 263
Receiver Sensitivity Measurements 269
Receiver Noise Measurement 274
CH$Chapter 18. Planning a Receiver System 282
What Is Important 282
A Superheterodyne Receiver 282
Noise in the Receiver 284
Sensitivity 284
Selectivity 285
Calculating the Intercept Points 285
CH$Chapter 19. Improving Receiver Performance in a High EMI Environment 286
Intermod Hill: A Tale of Woe 287
The Problem 288
Solutions 291
EMI to Television and Cable TV Equipment 297
The Best Solution 305
CH$Chapter 20. Diversity Reception Techniques 306
Diversity Reception 306
Frequency Diversity 306
Spatial Diversity 307
Polarization Diversity Reception 308
IF/Audio Combiner 308
IDX$Index 310