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paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date: 2007 08 Pages: 201 Language: Chinese in Publisher: China Labor and Social Security Publishing House. the high-frequency electronic technology is edited for vocational education communications technology professionals and other similar professional textbooks. The book is divided into the basic principles of a wireless communication system. the wireless transmission system. the radio receiving system. wireless remote control transmitter. receiver module and the application of four modules. the high-frequency small-signal amplifiers. a high-frequency power amplifier. the amplitude modulation circuit. the angle adjusting circuit feedback control circuit circuit unit integrated into each module. the basic principle of the high-frequency electronic technology. design. debugging and application production by a large number of actual circuit analysis. Professional teaching materials for high-frequency electronic technology can be used as a vocational technical colleges communication technology can also be used as two vocational technical colleges and private colleges and universities. adult colleges. Radio and Television University. undergraduate colleges organized professional teaching. or as a self-learning book. High-frequency electronic technology content and writing system innovation. wireless microphone transceiver circuit is disclosed for the first time in the book. radio direction finding technology. as related engineering and technical personnel rare reference. Contents: basic principle subject of the module of a wireless communication system of a wireless communication system consisting essentially subjects divided into modules of the two electromagnetic spectrum wireless transmission system issues a high-frequency sine wave oscillator subject two amplitude modulated. high-frequency power amplifier and the multiplier subject three high-frequency FM module wireless receiver system issues an input tuning circuit subject of two high-frequency small-signal amplifier subject-conversion mixer topic four demodulation circuit issues five feedback control circuit issues six applications and production module wireless remote control transmitter. the subject of a receiver module and its application subject to identify master drawer alarm making can identify the masters of miniature wireless remote control switch production topics wireless remote control model car produced in Appendix A high-frequency electronic circuit experiment box Profile Appendix B radio direction finding and PJ-80 measurements to machine production divided Appendix D Reference Site Appendix E Appendix C shortwave band an FM wireless microphone transceiver circuit ReferencesFour Satisfaction guaranteed,or money back.