A CMOS Passive Mixer for Direct-Conversion Receivers

被引：4

作者：

Mohamed, Sherif A. ^{[1
]}

Manoli, Yiannos ^{[1
]}

Ortmanns, Maurits ^{[2
]}

机构：

[1] Univ Freiburg, Chair Microelect, IMTEK, Freiburg, Germany

[2] Univ Ulm, Inst Microelect, Ulm, Germany

来源：

2009 52ND IEEE INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1 AND 2 | 2009年

关键词：

DC OFFSETS;

D O I：

10.1109/MWSCAS.2009.5235975

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this work, the design of a new frequency doubler passive subharmonic mixer circuit for low-power and low-cost biomedical devices is presented using CMOS 0.13 mu m UMC technology. This circuit operates in a quadrature double-balanced mode and required octet-phases. Included in the design is a circuit that generates an octet-phase LO signals from a differential input, an output LNA buffer and a resistive source degeneration intermedeiate frequency (IF) buffer. The whole circuits consume 1.8mA from a 1.2-V supply. The mixer with the included circuits achieves 21-dB conversion gain, 11-dB noise figure, 12-dBm IIP3 and -11.2-dBm 1-dB compression point.

引用

页码：1022 / +

页数：2

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