RF signal power regulation in optical transmitters

Details RF signal power regulation in optical transmitters RF signal power regulation in optical transmitters

2008-07-28

2011-11-29

Phan, Hanh (Department: 2613)

Optical communications

Transmitter

Including compensation

C398S194000, C398S195000, C398S196000, C398S197000, C398S135000, C398S136000, C398S137000, C398S038000, C372S032000, C372S034000, C372S036000, C372S038020

Reexamination Certificate

active

08068745

ABSTRACT:
A circuit controlling the gain of an amplifier in an optical transmitter used for optical communication, including a detection circuit for measuring the power of the RF input to a laser; a gain controller or controlling a gain of an amplifier, and a switch connected to the gain controller, wherein the gain controller is adapted, in response to an activation of a switch, to: (i) automatically vary gain of the amplifier, and (ii) set the gain of the amplifier at a level corresponding to a reduction in the noise and/or distortion associated with the transmitter.

REFERENCES:
patent: 7826739 (2010-11-01), Nelson et al.
patent: 2004/0136421 (2004-07-01), Robinson et al.

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