無(wú)線通信論文：無(wú)線通信功率放大器晶體振蕩器-文庫(kù)吧資料
2025-06-30 23:19本頁(yè)面
【正文】 k in the best condition. Finally, a hardware circuit is fabricated by the results of theoretical analysis and designed theory of ASK is used in the modulation system, and the circuit is realized by the high speed CMOS gate. A CMOS Pierce oscillator circuit is used for its excellent frequency stability, simple design, and high drive level, which meets the requirements of design. A high efficiency Class C amplifier is used in design. The latter class is a Butterworth lowpass filter which connects the antenna through the matching circuit after filtering and finally launches through the antenna. PREAMP is constituted by MC1350 and the amplified signal is mixed by the local oscillator circuit. The output of the IF signal is detected through the detector circuit and then transform the imitative signals into digital signals through a voltage parator after detecting, thus pleted the signal desig
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