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A Fully Integrated Single-Chip Bluetooth~(TM)Transceiver

机译:完全集成的单芯片Bluetooth〜(TM)收发器

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摘要

This paper describes the implementation of a Bluetooth~(TM) radio transceiver circuit in a 0.25μm CMOS process. The receive chain employs a 1-MHz low-IF architecture with a 4th order complex bandpass filter, 0-48dB variable gain amplifier, 8-bit A-to-D conversion and a fully digital demodulation and clock recovery. In the transmitter, a digital modulator and D-to-A converters generate the baseband signals for a direct upconverter. The quadrature local oscillator signals are derived from a divide-by-2 circuit driven by a double-frequency auto-calibrated VCO.
机译:本文介绍了采用0.25μmCMOS工艺的Bluetooth™无线收发器电路的实现。接收链采用1MHz低IF架构,带有4阶复带通滤波器,0-48dB可变增益放大器,8位A / D转换以及全数字解调和时钟恢复。在发送器中,数字调制器和数模转换器为直接上变频器生成基带信号。正交本地振荡器信号来自由双频自动校准VCO驱动的2分频电路。

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