Bandwidth Enhancement With Low Group-Delay Variation for a 40-Gb/s Transimpedance Amplifier

A 40-Gb/s transimpedance amplifier (TIA) is proposed using multistage inductive-series peaking for low group-delay variation. A transimpedance limit for multistage TIAs is derived, and a bandwidth-enhancement technique using inductive-series π -networks is analyzed. A design method for low group del...

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Veröffentlicht in:	IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2010-08, Vol.57 (8), p.1964-1972
Hauptverfasser:	Joohwa Kim, Buckwalter, James F
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Bandwidth Capacitance Circuits CMOS CMOS process CMOS technology Design methodology Gain Group delay group-delay variation inductive-series peaking Integrated circuit interconnections Multistage Noise levels Optical amplifiers Optical attenuators Optical interconnections Optical receivers transimpedance amplifier (TIA)
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container_end_page	1972
container_issue	8
container_start_page	1964
container_title	IEEE transactions on circuits and systems. I, Regular papers
container_volume	57
creator	Joohwa Kim Buckwalter, James F
description	A 40-Gb/s transimpedance amplifier (TIA) is proposed using multistage inductive-series peaking for low group-delay variation. A transimpedance limit for multistage TIAs is derived, and a bandwidth-enhancement technique using inductive-series π -networks is analyzed. A design method for low group delay constrained to 3-dB bandwidth enhancement is suggested. The TIA is implemented in a 0.13-μm CMOS process and achieves a 3-dB bandwidth of 29 GHz. The transimpedance gain is 50 dB·Ω , and the transimpedance group-delay variation is less than 16 ps over the 3-dB bandwidth. The chip occupies an area of 0.4 mm 2 , including the pads, and consumes 45.7 mW from a 1.5-V supply. The measured TIA demonstrates a transimpedance figure of merit of 200.7 Ω/pJ.
doi_str_mv	10.1109/TCSI.2010.2041502
format	Article
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I, Regular papers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Joohwa Kim</au><au>Buckwalter, James F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bandwidth Enhancement With Low Group-Delay Variation for a 40-Gb/s Transimpedance Amplifier</atitle><jtitle>IEEE transactions on circuits and systems. I, Regular papers</jtitle><stitle>TCSI</stitle><date>2010-08-01</date><risdate>2010</risdate><volume>57</volume><issue>8</issue><spage>1964</spage><epage>1972</epage><pages>1964-1972</pages><issn>1549-8328</issn><eissn>1558-0806</eissn><coden>ITCSCH</coden><abstract>A 40-Gb/s transimpedance amplifier (TIA) is proposed using multistage inductive-series peaking for low group-delay variation. A transimpedance limit for multistage TIAs is derived, and a bandwidth-enhancement technique using inductive-series π -networks is analyzed. 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subjects	Amplifiers Bandwidth Capacitance Circuits CMOS CMOS process CMOS technology Design methodology Gain Group delay group-delay variation inductive-series peaking Integrated circuit interconnections Multistage Noise levels Optical amplifiers Optical attenuators Optical interconnections Optical receivers transimpedance amplifier (TIA)
title	Bandwidth Enhancement With Low Group-Delay Variation for a 40-Gb/s Transimpedance Amplifier
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