Kapitel in diesem Buch

1. Frontmatter i
2. A Note to the Reader vii
3. Contents ix
4. Foreword xi
5. Preface xxxi
6. 1 Radio Mathematics, Oscillators, and Transmitters
7. 1.1 Kirchhoff’s Laws and FitzGerald’s Oscillating Circuit 1
8. 1.2 Laplace Transforms, AC Impedance, and Transfer Functions 10
9. 1.3 Van der Pol’s Negative Resistance Oscillator Equation 24
10. 1.4 Filters and the Wiener-Paley Theorem 32
11. 1.5 An Electronic Phase-Shift Oscillator 39
12. 1.6 Fourier Series and Transforms, and Signal Spectrums 43
13. 1.7 Impulses in Time and Frequency 52
14. 2 More Radio Mathematics: Circuits That Multiply
15. 2.1 Spectrum Shifting at the Transmitter 73
16. 2.2 Large-Carrier AM 90
17. 2.3 Convolution, and Multiplying by Squaring and Filtering 94
18. 2.4 Fleming’s Vacuum Tube Diode and the Detection of Radio-Frequency Waves 99
19. 2.5 Multiplying by Sampling and Filtering 106
20. 2.6 AM Envelope Detection, Tuning, and Impedance Matching 110
21. 3 The AM Radio Receiver
22. 3.1 Prelude to the Superheterodyne 133
23. 3.2 The Superheterodyne 146
24. 3.3 Fancy Heterodyning 155
25. 4 SSB Radio
26. 4.1 The Origin of SSB Radio and Carson’s SSB Transmitter 166
27. 4.2 The Hilbert Transform and Hartley’s SSB Transmitter 170
28. 4.3 The Mathematics of the Hilbert Transformer 176
29. 4.4 The Physics of the Hilbert Transformer 181
30. 4.5 Receiving an SSB Signal 191
31. 4.6 Weaver’s SSB Transmitter 194
32. 5 FM Radio
33. 5.1 Why FM? 203
34. 5.2 Instantaneous Frequency 210
35. 5.3 FM Sidebands 214
36. 5.4 The FM Receiver 224
37. 5.5 Bilotti’s Phase Quadrature Detector 238
38. 6 American AM Broadcast Radio: A Historical Postscript 248
39. A Final Author’s Note to the Reader 263
40. Appendix—Maxwell’s Theory, the Poynting Vector, and a Simple Radio Transmitting Antenna 265
41. Solutions, Partial Answers, and More Hints to Most of the End-of- Chapter Challenge Problems 287
42. Acknowledgments 303
43. Illustration Credits 307
44. Index 309