An adaptive, wideband SiGe image reject mixer for a self-healing receiver

Prabir K Saha,Duane C Howard,S Shankar,R M Diestelhorst,Troy D England,John D Cressler

Bipolar/BiCMOS Circuits and Technology Meeting（2011）

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摘要

A wideband (6-20 GHz) SiGe adaptive image reject mixer with an IF bandwidth of more than 1.8 GHz is presented. The mixer can be “self-healed” to deliver consistent performance across band by nullifying the effects of process variations, environmental changes or aging and can be adapted to different specifications. A conversion gain greater than 15 dB, an image rejection ratio (IRR) exceeding 35 dB and an output 1-dB compression point greater than 10 dBm were obtained in measurement. An automated self-healing procedure is shown to be effective for improving the measured performance of the mixer. The mixer was fabricated in a 150 GHz peak fT 200 nm SiGe BiCMOS process and consumes 215 mA of current operating off a 4 V rail.

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关键词

bicmos integrated circuits,ge-si alloys,microwave mixers,bicmos,sige,adaptive image reject mixer,automated self-healing,current 215 ma,frequency 150 ghz,frequency 6 ghz to 20 ghz,image rejection ratio,self-healing receiver,size 200 nm,voltage 4 v,image reject mixer,adaptive circuits,self-healing,tunable mixer

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