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Three-stage burst-mode transimpedance amplifier in deep-sub-μm CMOS technology

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2 Author(s)
K. Schneider ; Inst. of Electr. Measurements & Circuit Design, Technische Univ. Wien, Vienna, Austria ; H. Zimmermann

A transimpedance amplifier, designed in a digital 120-nm CMOS technology, used as preamplifier for optical burst-mode receivers in passive optical networks is presented. A wide optical input power range of 27 dB can be handled with a variable transimpedance without stability problems by varying the open-loop gain by a factor of 115. Noise and stability analysis of the optical receiver are presented. Sensitivities of - 31.3 dBm at 622 Mb/s and - 28.6 dBm at 1.25 Gb/s with a bit error ratio of 10-10 and a pseudorandom bit stream of 231-1 are achieved with a power consumption of 88.5 mW.

Published in:

IEEE Transactions on Circuits and Systems I: Regular Papers  (Volume:53 ,  Issue: 7 )