一个可变增益中频放大器，在1.4 V/sub / pp/输出时具有-67 dBc的IM/sub - 3/-失真，采用0.25 /spl mu/m CMOS

2001 Symposium on VLSI Circuits. Digest of Technical Papers (IEEE Cat. No.01CH37185) Pub Date : 2001-06-14 DOI:10.1109/VLSIC.2001.934202

K. Philips, E. Dijkmans

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引用次数: 4

摘要

基于反馈的可变增益放大器在AM/FM无线电接收机的10.7 MHz中频附近具有低于-67 dBc的IM/sub 3/-积。它从2.5 V电源消耗2.7 mA，在9 kHz AM通道中提供1.4 V/sub / 96 dB动态范围的差分输出信号。在0.25 /spl mu/m CMOS中，有效面积为0.038 mm/sup 2/。

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A variable gain IF amplifier with -67 dBc IM/sub 3/-distortion at 1.4 V/sub pp/ output in 0.25 /spl mu/m CMOS

A variable gain amplifier based on feedback has IM/sub 3/-products below -67 dBc around the 10.7 MHz IF of an AM/FM radio receiver. It consumes 2.7 mA from a 2.5 V supply delivering a differential output signal of 1.4 V/sub pp/ with 96 dB dynamic range in a 9 kHz AM channel. The active area is 0.038 mm/sup 2/ in 0.25 /spl mu/m CMOS.

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2001 Symposium on VLSI Circuits. Digest of Technical Papers (IEEE Cat. No.01CH37185)

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