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10-Gb/s 0.13-um CMOS Inductorless Modified-RGC Transimpedance Amplifier

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Author
Taghavi, Mohammad Hossein
Belostotski, Leonid
Haslett, James W.
Ahmadi, Peyman
Accessioned
2016-08-09T18:00:45Z
Available
2016-08-09T18:00:45Z
Issued
2015-07-17
Subject
Cross-coupled immittance converter
regulated cascode transimpedance amplifier
transimpedance amplifier
Type
journal article
Metadata
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Abstract
This paper presents an inductorless 0.13-um CMOS TIA structure that is a modified version of a regulated cascode (RGC) TIA. An immittance converter is incorporated to reduce power consumption while increasing ransimpedance gain. Measured 3-dB bandwidth is 7 GHz, sufficient for 10-Gb/s operation, in the presence of 250 fF capacitance at the TIA input, representative of typical CMOS photodiode capacitance. The transimpedance gain of the single-stage TIA is 50 dB, and the group-delay variation is less than ±19 ps over the 3-dB bandwidth. The circuit occupies an active area of 180um x 90um and consumes 7 mW from a 1.5-V supply. The measured average input-referred current noise of the TIA is 31 pA/sqrt(Hz). Simulations and analysis show that the proposed single-stage TIA architecture is capable of achieving improvement in the transimpedance limit over a single-stage RGC TIA designed for the same data rate and the same input photodiode capacitance. A comparison of measurement results to published TIAs also demonstrates the competitive performance of the proposed TIA in terms of the TIA transimpendance gain, bandwidth, area, and power consumption.
Grantingagency
Natural Sciences and Engineering Research Council
Refereed
Yes
Sponsorship
The University of Calgary, the Natural Sciences and Engineering Research Council of Canada Grant RGPIN/358707-2013, Alberta Innovates-Technology Futures, the Alberta Provincial Government’s iCORE program, and CMC Microsystems
Citation
M. H. Taghavi, L. Belostotski, J. W. Haslett and P. Ahmadi, "10-Gb/s 0.13- \mu{\rm m} CMOS Inductorless Modified-RGC Transimpedance Amplifier," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 62, no. 8, pp. 1971-1980, Aug. 2015.
Department
Electrical and Computer Engineering
Faculty
Schulich School of Engineering
Institution
University of Calgary
Url
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7161415&newsearch=true&queryText=10-Gb%2Fs%200.13-%20CMOS%20Inductorless%20Modified-RGC%20Transimpedance%20Amplifier
Publisher
IEEE
Doi
http://dx.doi.org/10.1109/TCSI.2015.2440732
http://dx.doi.org/10.11575/PRISM/35006
Uri
http://hdl.handle.net/1880/51520
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