A 20-Gb/s transformer-based current-mode optical receiver in 0.13- μm CMOS

Jungwon Han, Booyoung Choi, Mikyung Seo, Jisook Yun, Dongmyung Lee, tae wook Kim, Yunseong Eo, Sung Min Park

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

A 20-Gb/s current-mode optical receiver is realized in a 0.13-μm CMOS process, which consists of a common-gate transimpedance amplifier (TIA) with on-chip transformers, a six-stage postamplifier (PA) with an offset cancellation network, and an output buffer. The transformer-based inductive peaking technique is exploited in the TIA to isolate the parasitic capacitances at high-impedance nodes and, hence, to enlarge the bandwidth. The PA incorporates source degeneration and interleaving active feedback techniques to achieve wide bandwidth and flat frequency response so as not to degrade the operation speed of the whole optical receiver. Measured results demonstrate 60-dBΩ transimpedance gain, 12.6-GHz bandwidth even with 0.4-pF large input parasitic capacitance, -13-dBm sensitivity for a 10-12 bit error rate, and 38.3-mW power consumption from a single 1.2-V supply.

Original languageEnglish
Article number5466056
Pages (from-to)348-352
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Volume57
Issue number5
DOIs
Publication statusPublished - 2010 May 1

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Optical receivers
Operational amplifiers
Bandwidth
Capacitance
Bit error rate
Frequency response
Electric power utilization
Feedback

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Han, Jungwon ; Choi, Booyoung ; Seo, Mikyung ; Yun, Jisook ; Lee, Dongmyung ; Kim, tae wook ; Eo, Yunseong ; Park, Sung Min. / A 20-Gb/s transformer-based current-mode optical receiver in 0.13- μm CMOS. In: IEEE Transactions on Circuits and Systems II: Express Briefs. 2010 ; Vol. 57, No. 5. pp. 348-352.
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A 20-Gb/s transformer-based current-mode optical receiver in 0.13- μm CMOS. / Han, Jungwon; Choi, Booyoung; Seo, Mikyung; Yun, Jisook; Lee, Dongmyung; Kim, tae wook; Eo, Yunseong; Park, Sung Min.

In: IEEE Transactions on Circuits and Systems II: Express Briefs, Vol. 57, No. 5, 5466056, 01.05.2010, p. 348-352.

Research output: Contribution to journalArticle

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