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Das SDR-Praxisbuch: A Comprehensive Guide to Software Defined Radio

Das SDR-Praxisbuch: A Comprehensive Guide to Software Defined Radio

Foreword

Page 9

Chapter 1: The Software Defined Radio

1.1 Arduino SDR-Shield - Page 10
1.2 First Steps with G8JCFSDR - Page 15
1.3 Tuning Software - Page 18
1.4 Installation of SDRsharp - Page 20

Chapter 2: Shortwave Reception Practice

2.1 Shortwave Broadcasting - Page 24
2.2 Stations and Broadcast Times - Page 26
2.3 Bandwidth and Sidebands - Page 27
2.4 DRM Reception - Page 29
2.5 Morse Telegraphy - Page 30
2.6 Single Sideband Signals - Page 30

Chapter 3: Signal-to-Noise Ratio and Interference Signals

3.1 Interference on the Audio Line - Page 32
3.2 Harmonic Mixing - Page 35
3.3 FM Signals - Page 37
3.4 Arduino Interference Sources - Page 37
3.5 Household Interference Signals - Page 38
3.6 Overload and Intermodulation - Page 40

Chapter 4: Antennas

4.1 Wire Antennas - Page 41
4.2 Ground Separation - Page 42
4.3 Dipole Antenna - Page 44
4.5 Common Mode Choke - Page 45
4.6 Loop Antennas - Page 49
4.7 Antenna Comparison - Page 50
4.8 Antenna Matching and Preselection - Page 52
4.9 Active Antennas - Page 55

Chapter 5: Tuning Software

5.1 Control of the PLL Module - Page 57
5.2 Calibration - Page 59
5.3 Universal VFO Firmware - Page 63
5.4 PC Software - Page 65

Chapter 6: Digital Modes

6.1 Decoding FT8 - Page 68
6.2 Decoding WSPR - Page 70
6.3 Virtual Audio Cables - Page 74
6.4 Digital Modes with fldigi - Page 76

Chapter 7: SDR Measurement Technology

7.1 Pilot Carrier - Page 80
7.2 Calibration of Reception Levels - Page 81
7.3 Measurements on Microcontroller Systems - Page 82
7.4 Display of Band Occupancy - Page 83
7.5 Four-Pole Measurements - Page 86
7.6 Two-Pole Measurements - Page 88
7.7 Standing Wave Ratio Bridge - Page 92

Chapter 8: Standalone Receivers

8.1 Tuning without PC - Page 96
8.2 Direct Mixer - Page 98
8.3 The IQ Detector - Page 100
8.4 CW Filter - Page 102

Chapter 9: WSPR Transmitter

9.1 JTEncode - Page 104
9.2 Frequency Calibration - Page 107
9.3 WSPR Frequencies and Start - Page 110
9.4 Transmitter Amplifier with 200 mW - Page 112
9.5 Antenna Matching - Page 115
9.6 CAT Control - Page 117

Chapter 10: A QRP Transceiver

10.1 Morse Keying - Page 119
10.2 Transmitter Tuning - Page 122
10.3 Automatic CQ Call - Page 125
10.4 WSPR Transmit Function - Page 127
10.5 The Transmitter Output Stage - Page 128
10.6 Controls - Page 133

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