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A 53–64-GHz SiGe up-conversion mixer with 4-GHz IF bandwidth

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3 Author(s)
Minsu Ko ; Yonsei Univ., Seoul, South Korea ; Rucker, H. ; Woo-Young Choi

A Gilbert-cell direct up-conversion mixer is realized for 57-64-GHz unlicensed-band applications. The mixer with on-chip stacked inductors and LO, RF baluns is fabricated in 0.25-¿m SiGe:C BiCMOS technology. The fabricated mixer achieves conversion gain of 4 ± 1.5 dB and 5 ± 1 dB for upper and lower sideband, respectively, in frequency range from 53 to 64 GHz. The LO-to-RF isolation is higher than 30 dB. The mixer has IF bandwidth of 4 GHz, and the output-referred 1-dB compression point of -9.5 dBm. It occupies a chip area of 0.46 mm × 0.46 mm and consumes 10 mA with supply voltage of 2.5 V.

Published in:

Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2010 Topical Meeting on

Date of Conference:

11-13 Jan. 2010