Electronic Communications For Technicians

by Wheeler, Tom

• ISBN13: 9780131130494
• ISBN10: 0131130498
• Edition: 2nd
• Format: Paperback
• Copyright: 2005-04-08
• Publisher: Prentice Hall

Summary

Written by a technician for technicians, this book fills the gap between communications books that are either highly mathematical (suitable for engineers) or technically weak (not enough detail for technical learners). Using an algebra-based approach that does NOT sacrifice depth of coverage, it uses plain language and an abundance of examples and case studies to explore real circuits, systems, and their troubleshooting.Coverage includes electronic communications technologies, beginning with coverage of signals and modulation methods and ranging through the most current communications techniques, including cellular, PCS, GPS, and HDTV, and TCP/IP. The text gives comprehensive troubleshooting information as well as instruction in the correct use of test equipment in the field.This textbook is appropriate for undergraduate studies in analog and digital electronic communications and networking fundamentals, especially those courses aimed at practitioners in the field (technicians), but also possibly engineering technologists. It can be used to fulfill both analog and digital communications tracks in a curriculum.

Table of Contents

Introduction to RF Communications	1	(17)
Communication Systems	1	(2)
A Simple Radio System	3	(2)
The Need for Modulation	5	(4)
A Practical Radio System	9	(2)
The Radio-Frequency Spectrum	11	(1)
Digital Communications	12	(1)
How to Troubleshoot Systems	13	(5)
Signal Analysis	18	(34)
Two Domains	18	(6)
Complex Waveforms	24	(10)
Noise Sources	34	(7)
Signal-to-Noise Ratio and Noise Figure	41	(4)
Noise Reduction Techniques	45	(1)
Fourier Series for Common Waveforms	46	(6)
Amplitude Modulation	52	(32)
Generating an AM Signal	52	(4)
Measuring AM Signals in the Time Domain	56	(5)
Frequency Domain AM Analysis	61	(6)
Power and Efficiency	67	(5)
Spectrum Analyzer Measurements	72	(12)
AM Transmitters	84	(53)
Low- and High-Level Transmitters	85	(6)
Oscillator Theory	91	(3)
Three Oscillators	94	(10)
Crystal-Controlled Oscillators	104	(8)
RF Amplifiers	112	(9)
RF Modulators	121	(5)
High-Level Transmitter Circuit Analysis	126	(3)
Measuring Transmitter Performance	129	(3)
Troubleshooting Transmitters	132	(5)
AM Receivers	137	(33)
Receiver Operation	138	(3)
AM Detection	141	(3)
The TRF Receiver	144	(5)
The Superheterodyne Receiver	149	(8)
Superheterodyne Receiver Circuit Analysis	157	(5)
Integrated Circuit Receivers	162	(1)
Alignment of Receivers	163	(2)
Troubleshooting Receivers	165	(5)
Single Sideband Systems	170	(43)
SSB Versus AM: Types of Sideband Signals	171	(6)
SSB Signal Generation: Filter Method	177	(13)
SSB Signal Generation: Phasing and DSP Methods	190	(4)
Frequency-Agile SSB Transmitters	194	(4)
SSB Receivers	198	(9)
SSB Transceivers	207	(6)
Systems for Frequency Generation	213	(36)
The Phase-Locked Loop	214	(9)
PLL Synthesizers	223	(8)
How Software Controls a PLL Synthesizer	231	(4)
DDS Synthesizers	235	(4)
A Complete Frequency Synthesizer	239	(4)
Troubleshooting Frequency Synthesizers	243	(6)
Frequency Modulation: Transmission	249	(45)
A Simple FM Transmitter	250	(3)
FM Signal Analysis	253	(12)
Frequency Modulated Oscillators	265	(6)
Three FM Transmitters	271	(7)
Special Topics	278	(4)
A Simple FM Broadcast Transmitter	282	(4)
FM Stereo and SCA Systems	286	(3)
Measuring the Performance of FM Transmitters	289	(5)
FM Receivers	294	(36)
FM Superheterodyne Receivers	294	(5)
Detection of FM Signals	299	(9)
A Complete FM Receiver	308	(3)
Synthesized FM Receivers	311	(4)
FM Stereo and SCA Decoding	315	(4)
Alignment of FM Receivers	319	(6)
Troubleshooting FM Receivers	325	(5)
Television	330	(42)
Analog Television Principles	331	(4)
The Analog Video Signal	335	(7)
TV Receiver Operation	342	(9)
Color Television	351	(7)
High Definition Television (HDTV)	358	(7)
Troubleshooting TV Receivers	365	(7)
Transmission Lines	372	(49)
Basic Construction of Transmission Lines	372	(5)
Electrical Characteristics of Transmission Lines	377	(9)
Impedance Mismatches and Standing Waves	386	(9)
Impedance Matching Devices	395	(9)
Introduction to the Smith Chart	404	(10)
Troubleshooting Transmission Lines	414	(7)
Antennas and Wave Propagation	421	(52)
Electrical and Electromagnetic Energy	422	(6)
The Dipole and Marconi Antennas	428	(10)
Directional Antennas	438	(7)
Special Antennas	445	(7)
Antenna Troubleshooting and RF Safety	452	(4)
Wave Propagation	456	(9)
Link Budgets	465	(8)
Microwave Communication Systems	473	(43)
Microwave Construction Techniques	474	(5)
Microwave Transmission Lines	479	(10)
Microwave Oscillators	489	(9)
Microwave Amplifiers	498	(8)
Pulse and Doppler Radar Systems	506	(10)
Telephony and Cellular Networks	516	(47)
The System View	517	(3)
The Local Loop: Operation, Signaling, and Telephone Circuitry	520	(11)
Switching and Encoding: PCM	531	(10)
Wireless Telephony: AMPS and PCS, CDMA, GSM, TDMA	541	(13)
Special Topics: Caller ID, Broadband Internet Services	554	(9)
Introduction to Data Communications	563	(64)
Nature of Digital Data	564	(5)
Network Topologies	569	(7)
Modems and Digital Modulation Techniques	576	(16)
Asynchronous Data and UARTs	592	(16)
Error Detection and Correction	608	(7)
The RS232/EIA232 Interface Standards	615	(6)
Troubleshooting Data Communications Systems	621	(6)
Networking Fundamentals	627	(47)
Network Hardware and Media	627	(8)
The ISO/OSI Model	635	(5)
The Internet and Internet Protocol (IP) Addressing	640	(5)
IP Addressing, Subnets, and Gateways	645	(10)
DHCP and ARP	655	(3)
Transport: TCP and UDP	658	(8)
Troubleshooting Networks	666	(8)
The Global Positioning System	674	(33)
Satellites and Orbits	675	(5)
How GPS Works	680	(6)
GPS Segments and Navigation Signal Processing	686	(11)
Reducing Position Error: Enhanced GPS	697	(4)
Troubleshooting GPS Installations	701	(6)
Fiber-Optic and Laser Technology	707	(43)
Fiber-Optic Construction and Operation	708	(8)
Propagation Modes and Dispersion	716	(7)
Light Wave Sources and Modulation Circuits	723	(12)
Light Wave Detection	735	(9)
Troubleshooting Fiber-Optic Systems	744	(6)
Appendix A: Decibels	750	(4)
Appendix B: Bipolar Transistor Fundamentals	754	(11)
Appendix C: Amateur Radio Communications	765	(2)
Appendix D: Well-Known TCP and UDP Port Numbers	767	(3)
Appendix E: ASCII, EBCDIC, and Unicode Character Sets	770	(2)
Glossary	772	(9)
Index	781