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New monolithic AGC amplifier stabilising output DC level for 560 Mbit/s optical transmission

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4 Author(s)
T. Kinoshita ; Hitachi Ltd., Central Research Laboratory, Kokubunji, Japan ; K. Yamashita ; M. Maeda ; Y. Sekine

A new AGC amplifier stabilising the output DC level is proposed and monolithically integrated using 1 ¿m Si-bipolar IC technology. First, it is proven that the proposed AGC amplifier is about ten times superior to the conventional one in regard of output DC level stability. Next, it is confirmed that the IC, which exhibits a 720 MHz bandwidth, 39 dB maximum gain and 60 dB gain dynamic range, is feasible for 560 Mbit/s optical transmission.

Published in:

Electronics Letters  (Volume:22 ,  Issue: 8 )