低中频cmos接收器的片上图像抑制

2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers Pub Date : 2006-09-18 DOI:10.1109/ISSCC.2006.1696239

Mohammad Hajirostam, K. Martin

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引用次数: 5

摘要

采用0.18 μ m CMOS技术实现了自适应图像抑制混频器。该电路在电视调谐器等应用中无需片外滤波器即可实现高图像抑制比。测试结果表明，低中频接收机的图像抑制比为54dB。该电路从1.8V电源消耗75mW，占地2.25mm2，包括焊盘

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On-chip image rejection in a low-if cmos receiver

An adaptive image-reject mixer is realized in a 0.18mum CMOS technology. The circuit achieves high image-rejection ratios without off-chip filters in applications such as TV tuners. Test results show a 54dB image-rejection ratio in a low-IF receiver. The circuit consumes 75mW from a 1.8V supply and occupies 2.25mm2 including pads

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

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