NDLI: A low power baseband chain for CMMB application

Content Provider	IEEE Xplore Digital Library
Author	Heping Ma Fang Yuan Silin Liu Yin Shi Dai, F.F.
Copyright Year	2008
Description	Author affiliation: Inst. of Semicond., Chinese Acad. of Sci., Beijing, China (Heping Ma; Fang Yuan; Silin Liu; Yin Shi) \|\| Dept. of Electr. Comput. Eng., Auburn Univ., Auburn, AL, USA (Dai, F.F.)
Abstract	This paper presents experimental results of an analog baseband circuit for China multimedia mobile broadcasting (CMMB) direct conversion receiver in 0.35 um 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 6 MHz with the cutoff frequency at 4 MHz, 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 6 mV and 412 uA respectively. Implemented in a 0.35 um 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.
Starting Page	1466
Ending Page	1470
File Size	643995
Page Count	5
File Format	PDF
ISBN	9781424424238
DOI	10.1109/ICCS.2008.4737426
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Baseband Low pass filters Silicon germanium Germanium silicon alloys Calibration Band pass filters Gain Multimedia communication BiCMOS integrated circuits Radiofrequency integrated circuits calibration CMMB BiCMOS low pass filter (LPF) baseband temperature compensation Variable gain amplifier (VGA)
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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