用于2.4 GHz ZigBee应用的低功耗CMOS RF发射器前端

2006 IEEE Radio and Wireless Symposium Pub Date : 2006-04-10 DOI:10.1109/RWS.2006.1615090

Trung‐Kien Nguyen, Nam-Jin Oh, Seok-Kyun Han, Sang-Gug Lee

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引用次数: 11

摘要

本文提出了一种用于2.4 GHz ZigBee应用的低功耗前端发射机，采用0.18 /spl mu/m CMOS技术。上变频混频器采用无源混频器拓扑实现，不耗散直流电流，线性度好。低功耗、高线性度驱动放大器采用层叠级联电路拓扑，外加一个栅极源电容。测量结果显示，转换增益为12 dB，输出功率为0 dBm, OIP3为11 dBm, LO抑制为30 dB，而1.8 V电源的功耗为1.8 mA。

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A low power CMOS RF transmitter front-end for 2.4 GHz ZigBee applications

This paper presents a low-power transmitter front-end for 2.4 GHz ZigBee applications, in a 0.18 /spl mu/m CMOS technology. The upconversion mixer is implemented by using a passive mixer topology which dissipates no DC current and exhibits good linearity. Low-power, high-linearity driver amplifier is designed by adopting a folded cascode topology with an additional gate-source capacitor. The measurements show 12 dB conversion gain, 0 dBm output power, 11 dBm OIP3 and 30 dB LO rejection while dissipating 1.8 mA from 1.8 V supply.

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2006 IEEE Radio and Wireless Symposium

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