Build Your Own Low-Power Transmitters (eBook)
320 Seiten
Elsevier Science (Verlag)
978-0-08-049414-2 (ISBN)
Projects in the book include: LP FM stereo transmitter, digitally synthesized PLL FM stereo transmitter, LP AM transmitter for 150-1710 KHz, radio control transmitter/receiver, carrier current transmitter and AM and FM receivers, LP VHF one-way and two-way audio links, 1-watt 40-meter CW transmitter for ham radio use, SSB LP transmitter for 10-meter ham radio use, 2-meter VHF FM ham radio transmitter, FM video link for 900 MHz NTSC/PAL operation, 2-watt TV transmitters for 440, 900 and 1300 MHz amateur TV NTSC/PAL transmissions, linear amplifier for 440MHz, 10-15watt NTSC/PAL operation, Downconverters for 440, 900 and 1300 MHz with VHF channel 3 or 4 output, TV video receiving systems and AM-FM IF systems, LP video link for UHF channels 14-18, 1-watt CW beacon transmitter for Part 15 LF radio experimentation, CW identifier for transmitters, test equipment projects for LP transmitters, as well as an RF power meter and modulation monitor.
Complete source information will be included to help each reader find the kits and parts they need to build these fascinating projects.
Unique among comparable project books, this one offers a low-cost source for all parts, including the printed circuit board. This allows immediate completion without needing to search for difficult to find parts
Features twenty low-power transmitter projects
Rudolf Graf and William Sheets have written a book containing twenty low-power (LP) transmitter projects, perfect for the electronics hobbyist and radio experimenter. Now that the FCC has changed its regulations about "e;pirate"e; transmissions, more and more people are setting up radio and video stations for broadcast from their homes. Build Your Own Low-Power Transmitters addresses applications for hobbyist broadcasting of AM, SSB, TV, FM Stereo and NBFM VHF-UHF signals with equipment the reader can build himself for thousands of dollars less than similar equipment sold on the retail market. The authors also fully explore the legal limits and ramifications of using the equipment as well as how to get the best performance for optimum range. The key advantage is referencing a low-cost source for all needed parts, including the printed circuit board, as well as the kit. Projects in the book include: LP FM stereo transmitter; digitally synthesized PLL FM stereo transmitter; LP AM transmitter for 150-1710 KHz; radio control transmitter/receiver; carrier current transmitter and AM and FM receivers; LP VHF one-way and two-way audio links; 1-watt 40-meter CW transmitter for ham radio use; SSB LP transmitter for 10-meter ham radio use; 2-meter VHF FM ham radio transmitter; FM video link for 900 MHz NTSC/PAL operation; 2-watt TV transmitters for 440, 900 and 1300 MHz amateur TV NTSC/PAL transmissions; linear amplifier for 440MHz, 10-15watt NTSC/PAL operation; Downconverters for 440, 900 and 1300 MHz with VHF channel 3 or 4 output; TV video receiving systems and AM-FM IF systems; LP video link for UHF channels 14-18; 1-watt CW beacon transmitter for Part 15 LF radio experimentation; CW identifier for transmitters; test equipment projects for LP transmitters; as well as an RF power meter and modulation monitor. Complete source information will be included to help each reader find the kits and parts they need to build these fascinating projects. Unique among comparable project books, this one offers a low-cost source for all parts, including the printed circuit board. This allows immediate completion without needing to search for difficult to find parts Features twenty low-power transmitter projects
Cover 1
Copyright Page 5
Contents 8
Preface 12
Chapter 1. Low-Power Transmitters, General 14
Basic Oscillator 15
Master Oscillator–Power Amplifier 17
Heterodyne Mixer–Power Amplifier 17
Chapter 2. Basic Building Blocks 22
Oscillators 22
Amplifiers 26
Multipliers 27
Modulators 29
Frequency Synthesizer (PLL) Circuits 32
Chapter 3. Simple Low-Power Transmitters for Experimenters 36
Wireless Microphone 36
Baby Monitor 38
Room “Bug” 39
Telephone Line “Bug” 40
AM Transmitter 41
Chapter 4. 50 mW VFO-Controlled AM Transmitter for 530-1710 kHz 44
Parts List 47
Chapter 5. PLL Synthesized AM Transmitter for 530-1710 kHz 48
Parts List 62
DIP Switch Settings 63
Filter Settings 63
Programming 64
Chapter 6. VFO Controlled FM Monaural Transmitter for 88-108 MHz 68
Chapter 7. Basic FM Stereo Signal Generation Techniques 74
Chapter 8. PLL Synthesized FM Stereo Transmitter for 88-108 MHz 82
Circuit Operation 84
Construction Procedure 91
Test and Setup Procedure 94
Packaging Considerations 97
Frequency Programming 98
Applications 99
Operation Outside the United States 101
Frequency Programming Chart 101
Parts List 104
Chapter 9. Microprocessor-Controlled FM Stereo Transmitter for 88-108 MHz 106
MPX2000 Theory of Operation 106
MPX2000 Circuitry 106
Construction of the MPX2000 114
Parts List 125
Chapter 10. 20 mW Low-Power TV Transmitter 130
Chapter 11. 0.5-Watt TV Transmitter for R/C Vehicles 134
Parts List 142
Chapter 12. 2-Watt TV Transmitter for R/C and Amateur TV for 440 MHz 144
General Description 144
Circuit Operation 145
Construction Procedures 149
Tuneup Procedure 152
Parts List 157
Chapter 13. 1-Watt TV Transmitters for 902-928 MHz and 1240-1300 MHz 160
General Description 160
Circuit Operation 161
Construction Procedures 165
Tuneup Procedure 168
Parts List 173
Chapter 14. Experimental 20 mW 915 MHz PLL FM TV Transmitter 176
Chapter 15. Receiving Converters and IF Systems for Low-Power ATV Transmitters 184
Video IF Systems for Use with Downconverters 198
Theory of Operation 201
Tuneup 219
Interfacing Considerations 225
Chapter 16. Low-Power Narrowband FM Audio Transmitters 228
Chapter 17. Serial Data Transmit-Receive System for Remote Control 236
Chapter 18. RF Field-Strength Meter for 500 kHz to 3 GHz Transmitter 246
Circuit Operation 249
Test Procedure 253
Packaging 254
Parts List 258
Chapter 19. Low-Power CW Transmitter for 40 Meters 260
Chapter 20. Single Sideband Basics 266
Chapter 21. Basic Single Sideband Generator/Exciter Unit 274
Chapter 22. 1-Watt CW Transmitter for the 1750-Meter LOWFERŽ Band 280
Chapter 23. Simple CW Identifier 286
Circuit Operation 287
Parts List 292
Appendix 294
Part 15 AM Broadcast Applications 294
Part 15 160–190 KHZ (1750 Meters) 295
FM Dipole for 88–108 MHZ 297
Antennas and Induced Hum in Low-Power Transmitters 299
Antenna Considerations and Range Expectations 299
Erscheint lt. Verlag | 24.8.2001 |
---|---|
Sprache | englisch |
Themenwelt | Sachbuch/Ratgeber |
Mathematik / Informatik ► Informatik | |
Technik ► Elektrotechnik / Energietechnik | |
Technik ► Nachrichtentechnik | |
ISBN-10 | 0-08-049414-5 / 0080494145 |
ISBN-13 | 978-0-08-049414-2 / 9780080494142 |
Haben Sie eine Frage zum Produkt? |
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