SEMI OpenIR  > 中国科学院半导体研究所(2009年前)
A widely tunable continuous-time LPF for a direct conversion DBS tuner
Chen Bei; Chen Fangxiong; Ma Heping; Shi Yin; Dai F F
2009
Source Publication半导体学报
Volume30Issue:2Pages:85-89
AbstractA continuous-time 7th-order Butterworth Gm-C low pass filter (LPF) with on-chip automatic tuning circuit has been implemented for a direct conversion DBS tuner in 0.35μm SiGe BiCMOS technology. The filter's -3 dB cutoff frequency f0 can be tuned from 4 to 40 MHz. A novel on-chip automatic tuning scheme has been successfully realized to tune and lock the filter's cutoff frequency. Measurement results show that the filter has -0.5 dB passband gain, +/- 5% bandwidth accuracy, 30 nV/Hz~(1/2) input referred noise, -3 dBVrms passband IIP3, and 27 dBVrms stopband IIP3. The I/Q LPFs with the tuning circuit draw 13 mA (with f_0 = 20 MHz) from 5 V supply, and occupy 0.5 mm~2.
metadata_83institute of semiconductors, chinese academy of sciences;department of electrical and computer engineer, auburn university
Subject Area微电子学
Indexed ByCSCD
Language英语
CSCD IDCSCD:3599529
Date Available2010-11-23
Citation statistics
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/15769
Collection中国科学院半导体研究所(2009年前)
Recommended Citation
GB/T 7714
Chen Bei,Chen Fangxiong,Ma Heping,et al. A widely tunable continuous-time LPF for a direct conversion DBS tuner[J]. 半导体学报,2009,30(2):85-89.
APA Chen Bei,Chen Fangxiong,Ma Heping,Shi Yin,&Dai F F.(2009).A widely tunable continuous-time LPF for a direct conversion DBS tuner.半导体学报,30(2),85-89.
MLA Chen Bei,et al."A widely tunable continuous-time LPF for a direct conversion DBS tuner".半导体学报 30.2(2009):85-89.
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