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6 February 2001 Development of a CMOS 310-Mb/s receiver for free-space optical wireless links
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Proceedings Volume 4214, Optical Wireless Communications III; (2001)
Event: Information Technologies 2000, 2000, Boston, MA, United States
12 This paper presents the design and implementation of a CMOS 310 Mb/s receiver for use in a multi-channel 155 Mb/s Manchester-coded optical wireless link. The receiver consists of a pre-amplifier followed by a post amplifier circuit. The pre-amplifier is a three stage transimpedance amplifier with an NMOS load at the output of each stage to control gain and stability. To allow the sensitivity of the performance to key parameters to be visualized a nomograph technique was developed. The contours of the nomograph show how DC bias, dominant pole frequency and the gain of each stage vary with transistor dimensions. This allows the designer to select transistor sizes for a given bit rate and for stable operation. The design has been optimized to achieve -30 dBm sensitivity at a BER of 10-9.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Vinod A. Lalithambika, Valencia M. Joyner, David M. Holburn, and Robert J. Mears "Development of a CMOS 310-Mb/s receiver for free-space optical wireless links", Proc. SPIE 4214, Optical Wireless Communications III, (6 February 2001);


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