Mobile radio servicing handbook
著者
書誌事項
Mobile radio servicing handbook
Heinemann Newnes, 1989
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内容説明・目次
内容説明
This is a practical package of information on the servicing and repair of VHK and UHF mobile radios and base stations, together with the maintenance and support requirements of the overall radio systems, including antennae and mast installations. The authors have combined to supply the technician or engineer with sufficient information to be able to undertake or plan repair and maintenance work on modern mobile radio systems with hand-held or vehicle- mounted mobiles. In addition the book covers the impact of data over radio, cellular radio and trunking technologies on servicing, diagnosis and repair procedures. Essential background topics covered include radio theory, amplitude(AM) and frequency(FM) modulation, radio wave propagation, reception and demodulation, fundamentals of receiver and transmitter systems, principles of transmitter and receiver design, synthesizer techniques, selective tone signalling and the digital signalling control and access protocols of cellular and trunked radio.
目次
- Mobile radio in perspective
- propagation and frequency utilization
- system choices
- principles of RF communication
- practice of RF communication - receiver design
- practice of RF communication - transmitter design
- frequency synthesizer circuit principles
- principles of RF measurement
- calibration, test and fault finding
- component identification and handling
- electromagnetic compatibility (EMC)
- antennas - selection, installation, fault finding and maintenance
- typical operator and system problems
- spectrum efficiency - audio selcall, trunking and cellular sytems
- pan-European digital technology
- data over radio. Appendices: the frequency spectrum
- abbreviations for mobile radio users
- private mobile radio bands.
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