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A Fully Integrated Homodyne Downconverter MMIC in SiGe:C for 60 GHz Wireless Applications

Markus Ortner, H. P. Forstner, Ludger Verweyen

Accepted paper to the SiRF 2011 http://www.silicon-rf.org .

Abstract: A fully integrated receiver MMIC manufactured in a 200 GHz SiGe:C production technology is presented. To simplify the application, the fully differential design is based on a homodyne approach. It comprises polyphase filters, passive power splitters, a Gilbert-based complex downconversion mixer, a three-stage low noise amplifier offering two gain steps, and a three-stage programmable gain baseband amplifier as well as AC-coupling stages. The total measured downconversion gain is more than 70 dB and the maximum linear output power is -1 dBm. The receiver draws a current of 86 mA from a single 3.3 V supply. The MMIC permits operation in the 57 to 64 GHz band.


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