標題: Broadband SiGe HBT Gilbert downconverter with 1.8 to 36 GHz integrated dual Marchand balun
作者: Syu, J. -S.
Meng, C.
Yu, S. -W.
電信工程研究所
Institute of Communications Engineering
公開日期: 3-Jul-2008
摘要: A broadband Gilbert downconverter with an integrated dual Marchand balun (balanced to unbalanced transformer) is demonstrated by using 0.35 mu m SiGe heterojunction bipolar transistor (HBT) technology. A dual Marchand balun consisting of a lower band balun and an upper band balun is employed in the LO stage of the downconverter to maintain balanced LO signals from 1.8 to 36 GHz. The broadband downconverter has peak conversion gain of 3 dB at RF = 3 GHz and 3 dB bandwidth of 1.8 to 20 GHz at 3.3 V DC supply.
URI: http://dx.doi.org/10.1049/el:20080897
http://hdl.handle.net/11536/8585
ISSN: 0013-5194
DOI: 10.1049/el:20080897
期刊: ELECTRONICS LETTERS
Volume: 44
Issue: 14
起始頁: 861
結束頁: U187
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