A CMOS Down-Conversion MICROMIXER for IEEE 802.11b WLAN Transceivers

Baoyong Chi Baoyong Chi,Zhihua Wang Zhihua Wang,Bingxue Shi Bingxue Shi

doi:10.1109/iscas.2006.1693446

A CMOS Down-Conversion MICROMIXER for IEEE 802.11b WLAN Transceivers

Baoyong Chi Baoyong Chi, Zhihua Wang Zhihua Wang + Show 1 more

https://doi.org/10.1109/iscas.2006.1693446

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Publication Date: May 21, 2006

Citations: 4

Affiliation: Tsinghua University

#dBm Input P1dB #dB Conversion Gain + Show 8 more

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Abstract

A CMOS down-conversion micromixer for IEEE 802.11b WLAN transceivers is presented. The micromixer is a class-AB single-ended input double balanced mixer with on-chip bias loop. The operating principle of the CMOS micromixer is quantitively discussed and some design insights are given out. The mixer has been implemented in 0.18/spl mu/m CMOS process. The measured results show that the mixer achieves 1.5dB conversion gain, 12.2dB SSB NF, -1.5dBm input P1dB, 4dBm IIP3 with -16dB S11 (2.45GHz RF, 280MHz IF). The mixer draws 5.7mA current from a power supply of 1.8V.

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