用于低中频接收机的宽带图像抑制电路

2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers Pub Date : 2006-09-18 DOI:10.1109/ISSCC.2006.1696249

K. Maeda, W. Hioe, Yasuyuki Kimura, S. Tanaka

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引用次数: 8

摘要

用于GSM/EDGE低中频接收器的宽带图像抑制电路包括参考信号源和补偿I/Q增益、相位和频率响应不匹配的数字校正电路。该芯片集成了LNA、混频器、PGAs、lpf和分数n合成器，采用0.25 μ m BiCMOS工艺，在200kHz中频下，整个信号带宽达到50dB的IRR

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Wideband Image-Rejection Circuit for Low-IF Receivers

A wideband image-rejection circuit for GSM/EDGE low-IF receivers includes a reference signal source and digital correction circuit that compensate I/Q gain, phase, and frequency response mismatch. The chip integrates an LNA, mixers, PGAs, LPFs, and fractional-N synthesizer in a 0.25mum BiCMOS process and achieves 50dB IRR over the entire signal bandwidth at 200kHz IF

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2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers

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