Fiber-to-the-home (FTTH) optical receiver with distributed...

Details Fiber-to-the-home (FTTH) optical receiver with distributed... Fiber-to-the-home (FTTH) optical receiver with distributed...

2006-02-15

2009-06-16

Vanderpuye, Ken N (Department: 2613)

Optical communications

Multiplex

Broadcast and distribution system

C398S066000, C398S058000, C398S158000, C398S033000

Reexamination Certificate

active

07548696

ABSTRACT:
A fiber-to-the-home (FTTH) system transmits forward and reverse optical signals, such as video, voice, and data signals, via optical fiber, and includes a plurality of home network units. The home network units include an optical receiver for receiving at least one of the video, voice, and data signals. Included is a plurality of gain stages that are distributed throughout the optical receiver. The gain stages include a preamplifier stage, two interstage amplifiers, and a postamplifier stage. Two gain control circuits automatically adjust the gain of the video signal based upon the input power level to the FTTH optical receiver. Additionally, a tilt network performs level compensation for externally located coaxial cable. A signal is then provided to a device located within a home via the coaxial cable at the proper RF level having low noise signals.

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PCT/US2007/062167 International Search Report mailed Apr. 23, 2008, Feb. 15, 2007, Scientific-Atlanta, Inc.

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