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题名: A Low Power Baseband Chain for CMMB Application
作者: Ma, HP;  Yuan, F;  Liu, SL;  Shi, Y;  Dai, FF
出版日期: 2008
会议日期: NOV 19-21, 2008
摘要: This paper presents experimental results of an analog baseband circuit for China Multimedia Mobile Broadcasting (CMMB) direct conversion receiver in 0.35um SiGe BiCMOS process. It is the first baseband of CMMB RFIC reported so far. A 8(th)-order chebyshev low pass filter (LPF) with calibration system is used in the analog baseband circuit, the filter provides 0.5 dB passband ripple and -35 dB attenuation at 6MHz with the cutoff frequency at 4MHz, the calibration of filter is reported to achieve the bandwidth accuracy of 3%. The baseband variable gain amplifier (VGA) achieves more than 40 dB gain tuning with temperature compensation. In addition, A DC offset cancellation circuit is also introduced to remove the offset from layout and self-mixing, and the remaining offset voltage and current consumption are only 6mV and 412uA respectively. Implemented in a 0.35um SiGe technology with 1.1 mm(2) die size, this tuner baseband achieves OIP3 of 25.5 dBm and dissipate 16.4 mA under 2.8-V supply.
会议名称: 11th IEEE Singapore International Conference on Communication Systems
KOS主题词: Salaries;  Calibration
会议文集: 2008 11TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS (ICCS)
专题: 中国科学院半导体研究所(2009年前)_会议论文

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推荐引用方式:
Ma, HP;Yuan, F;Liu, SL;Shi, Y;Dai, FF.A Low Power Baseband Chain for CMMB Application .见:IEEE .2008 11TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS (ICCS),345 E 47TH ST, NEW YORK, NY 10017 USA ,2008,VOLS 1-3: 1466-1470
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