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Broad-band design techniques for transimpedance amplifiers

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Broad-band design techniques for transimpedance amplifiers

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dc.contributor.author Lu, Zhenghao
dc.contributor.author Yeo, Kiat Seng
dc.contributor.author Ma, Jianguo
dc.contributor.author Do, Manh Anh
dc.contributor.author Lim, Wei Meng
dc.contributor.author Chen, Xueying
dc.date.accessioned 2009-04-17T12:22:32Z
dc.date.available 2009-04-17T12:22:32Z
dc.date.copyright 2007
dc.date.issued 2009-04-17T12:22:32Z
dc.identifier.citation Lu, Z., Yeo, K. S., Ma, J., Do, M. A., Lim, W. M., & Chen, X. (2007). Broad-band design techniques for transimpedance amplifiers. IEEE Transactions on Circuits and Systems I, 54(3), 590-600.
dc.identifier.issn 1549-8328
dc.identifier.uri http://hdl.handle.net/10220/4566
dc.description.abstract In this paper, a novel bandwidth enhancement technique based on the combination of capacitive degeneration, broad-band matching network, and the regulated cascode (RGC) input stage is proposed and analyzed, which turns the transimpedance amplifier (TIA) design into a fifth-order low-pass filter with Butterworth response. This broad-band design methodology for TIAs is presented with an example implemented in CHRT 0.18-mum 1.8-V RF CMOS technology. Measurement data shows a -3-dB bandwidth of about 8 GHz with 0.25-pF photodiode capacitance. Comparing with the core RGC TIA without capacitive degeneration and broad-band matching network, this design achieves an overall bandwidth enhancement ratio of 3.6 with very small gain ripple. The transimpedance gain is 53 dBOmega with a group delay of 80plusmn20 ps. The chip consumes only 13.5-mW dc power and the measured average input-referred noise current spectral density is 18 pA/radicHz up to 10 GHz.
dc.format.extent 11 p.
dc.language.iso en
dc.relation.ispartofseries IEEE transactions on circuits and systems I
dc.rights IEEE
dc.subject DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits.
dc.title Broad-band design techniques for transimpedance amplifiers
dc.type Journal Article
dc.identifier.doi http://dx.doi.org/10.1109/TCSI.2006.887610
dc.description.version Published version

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