1 GHz低功耗CMOS超再生接收机

Proceedings of the IEEE 2000 Custom Integrated Circuits Conference (Cat. No.00CH37044) Pub Date : 2000-05-21 DOI:10.1109/CICC.2000.852641

A. Vouilloz, M. Declercq, C. Dehollain

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引用次数: 134

摘要

介绍了一种工作频率为1ghz、以0.35 /spl mu/m CMOS工艺实现的低功耗、低压超再生接收机。该接收器包括一个LNA、一个超再生振荡器、一个包络检测器、具有采样/保持能力的AGC电路和一个基带放大器。模面等于0.25 mm/sup 2/。整体噪音指数为14.7 dB。在V/sub DD/=1.5 V时，功耗小于1.2 mW。使用100 kHz锯齿淬灭信号在中心频率为500 kHz时实现了-35.9 dB的干扰抑制。

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A low-power CMOS super-regenerative receiver at 1 GHz

A low-power and low-voltage super-regenerative receiver operating at 1 GHz and implemented in a 0.35 /spl mu/m CMOS process is described. The receiver includes a LNA, a super-regenerative oscillator, an envelope detector, AGC circuitry with sample/hold capability and a baseband amplifier. The die-surface is equal to 0.25 mm/sup 2/. An overall noise figure of 14.7 dB is achieved. The power consumption is less than 1.2 mW at V/sub DD/=1.5 V. A 100 kHz saw tooth quench signal has been used to achieve an interferer rejection of -35.9 dB at 500 kHz from the center frequency.

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Proceedings of the IEEE 2000 Custom Integrated Circuits Conference (Cat. No.00CH37044)

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