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A multi-standard active-RC filter with accurate tuning system
Ma Heping; Yuan Fang; Shi Yin; Dai F F
2009
Source Publication半导体学报
Volume30Issue:9Pages:107-110
AbstractA low-power, highly linear, multi-standard, active-RC filter with an accurate and novel tuning architec-ture is presented. It exhibits 1EEE 802. 11a/b/g (9.5 MHz) and DVB-H (3 MHz, 4 MHz) application. The filter exploits digitally-controlled polysilicon resistor banks and a phase lock loop type automatic tuning system. The novel and complex automatic frequency calibration scheme provides better than 4 comer frequency accuracy, and it can be powered down after calibration to save power and avoid digital signal interference. The filter achieves OIP3 of 26 dBm and the measured group delay variation of the receiver filter is 50 ns (WLAN mode). Its dissipation is 3.4 mA in RX mode and 2.3 mA (only for one path) in TX mode from a 2.85 V supply. The dissipation of calibration consumes 2 mA. The circuit has been fabricated in a 0.35μm 47 GHz SiGe BiCMOS technology; the receiver and transmitter filter occupy 0.21 mm~2 and 0.11 mm~2 (calibration circuit excluded), respectively.
metadata_83institute of semiconductors, chinese academy of sciences;department of electrical & computer engineering, auburn university
Subject Area人工智能
Indexed ByCSCD
Language英语
CSCD IDCSCD:3657159
Date Available2010-11-23
Citation statistics
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/15711
Collection中国科学院半导体研究所(2009年前)
Recommended Citation
GB/T 7714
Ma Heping,Yuan Fang,Shi Yin,et al. A multi-standard active-RC filter with accurate tuning system[J]. 半导体学报,2009,30(9):107-110.
APA Ma Heping,Yuan Fang,Shi Yin,&Dai F F.(2009).A multi-standard active-RC filter with accurate tuning system.半导体学报,30(9),107-110.
MLA Ma Heping,et al."A multi-standard active-RC filter with accurate tuning system".半导体学报 30.9(2009):107-110.
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