A bootstrapping technique to improve the linearity of CMOS passive mixers

2003 Symposium on VLSI Circuits. Digest of Technical Papers (IEEE Cat. No.03CH37408) Pub Date : 2003-06-12 DOI:10.1109/VLSIC.2003.1221208

F. Tillman, H. Sjoland

引用次数: 10

Abstract

A bootstrapping technique for passive mixers has been implemented in a fully integrated 1V CMOS front-end. The idea is to improve the linearity of the mixer by making the switching instants independent of the IF output signal. The technique reduces the intermodulation distortion without degradation of the conversion gain or the noise figure. The measured IIP/sub 3/ of the front-end was increased by 5 dB resulting in an increased dynamic range, which is critical for low supply voltages.

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一种提高CMOS无源混频器线性度的自举技术

无源混频器的自举技术已经在一个完全集成的1V CMOS前端实现。这个想法是通过使开关瞬间独立于中频输出信号来提高混频器的线性度。该技术在不降低转换增益或噪声系数的情况下降低了互调失真。前端测量的IIP/sub 3/增加了5 dB，从而增加了动态范围，这对于低电源电压至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2003 Symposium on VLSI Circuits. Digest of Technical Papers (IEEE Cat. No.03CH37408)

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