NDLI: Analysis and design of a 250-MHz Gm-C filter with discrete tuning scheme in 0.18-μm CMOS for UWB receiver

Content Provider	IEEE Xplore Digital Library
Author	Raja, M.K. Arasu, M.A. Zhao Bin Minkyu Je
Copyright Year	2013
Description	Author affiliation: Inst. of Microelectron., A*STAR (Agency for Sci., Technol. & Res.), Singapore, Singapore (Raja, M.K.; Arasu, M.A.; Zhao Bin; Minkyu Je)
Abstract	A low noise, 250-MHz fifth order 0.1 dB ripple chebyshev $G_{m}-C$ filter, with a discrete tuning scheme in 0.18-μm CMOS is presented. The tuning circuit employs an amplitude locked loop (ALL) to find the correct tuning word to maintain $f_{c}$ within 250MHz ±5% for VDD variation of 1.8±0.1V, temperature variation of -40°C to 125°C and across process corners. Compared to conventional tuning schemes, proposed discrete scheme demonstrates lower input referred noise of 11.3 nV/√Hz with tighter bandwidth accuracy and consistent performance across PVT. Analysis of $G_{m}$ cell non-idealities such as $r_{o}$ and $C_{dg}$ on filter response to ensure optimum design is another contribution of this paper.
Sponsorship	IEEE Singapore Sect.
Starting Page	1
Ending Page	3
File Size	1384934
Page Count	3
File Format	PDF
ISBN	9781467360968
DOI	10.1109/IMWS-BIO.2013.6756222
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-09
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Accuracy Continuous time filter Noise Linearity Automatic tuning Microwave filters Gm-C Tuning Gain
Content Type	Text
Resource Type	Article

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