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A 1.5V 900 MHz CMOS current folded-mirror mixer

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4 Author(s)
Wang-Chi Cheng ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, China ; Cheong-Fat Chan ; Chiu-Sing Choy ; Kong-Pang Pun

A CMOS down-conversion mixer using current folded-mirror technique is demonstrated in this paper. Apart from the low voltage operation, the current folded-mirror mixer has a similar performance in gain, linearity, and frequency performance compared with a traditional high voltage mixer. A prototype mixer was implemented in an AMS® 0.6-micron CMOS technology. The measured 1-dB compression point is -3dBm, IIP3 is 1 dBm, and the conversion gain is -2.5 dB at an input RF frequency of 900 MHz. The IC consumes 7.5 mW from a 1.5 V supply.

Published in:

ASIC, 2003. Proceedings. 5th International Conference on  (Volume:2 )

Date of Conference:

21-24 Oct. 2003