J. Semicond. > 2008, Volume 29 > Issue 2 > 262-268

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A 0.5mV High Sensitivity 200Mbps CMOS Limiting Amplifier with RSSI for Optical Receivers

Wang Rong, Wang Zhigong, Xu Jian and Guan Zhiqiang

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Abstract: A 0.5mV high sensitivity, 200Mbps CMOS limiting amplifier (LA) with 72dB ultra wide dynamic range is described.A novel active DC offset cancellation loop is elaborately analyzed and designed to achieve this performance.Using a signal path, a received signal strength indicator (RSSI), based on the piecewise-linear approximation, is realized with a ±2dB logarithmic accuracy in a 60dB indicating range.The architecture of the LA and RSSI employed is determined by the optimal sensitivity and RSSI accuracy for a specified speed, gain, and power consumption.It consumes 60mW from a single 5V supply.The active area is 1.05mm2 using standard 5V 0.6μm CMOS technology.

Key words: LARSSIoptical receiverspiecewise-linear approximation

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    Received: 18 August 2015 Revised: 24 September 2007 Online: Published: 01 February 2008

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      Wang Rong, Wang Zhigong, Xu Jian, Guan Zhiqiang. A 0.5mV High Sensitivity 200Mbps CMOS Limiting Amplifier with RSSI for Optical Receivers[J]. Journal of Semiconductors, 2008, In Press. Wang R, Wang Z G, Xu J, Guan Z Q. A 0.5mV High Sensitivity 200Mbps CMOS Limiting Amplifier with RSSI for Optical Receivers[J]. J. Semicond., 2008, 29(2): 262.Export: BibTex EndNote
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      Wang Rong, Wang Zhigong, Xu Jian, Guan Zhiqiang. A 0.5mV High Sensitivity 200Mbps CMOS Limiting Amplifier with RSSI for Optical Receivers[J]. Journal of Semiconductors, 2008, In Press.

      Wang R, Wang Z G, Xu J, Guan Z Q. A 0.5mV High Sensitivity 200Mbps CMOS Limiting Amplifier with RSSI for Optical Receivers[J]. J. Semicond., 2008, 29(2): 262.
      Export: BibTex EndNote

      A 0.5mV High Sensitivity 200Mbps CMOS Limiting Amplifier with RSSI for Optical Receivers

      • Received Date: 2015-08-18
      • Accepted Date: 2007-08-02
      • Revised Date: 2007-09-24
      • Published Date: 2008-01-31

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