Optical receiver preamplifier dynamic range enhancing circuit an

Details Optical receiver preamplifier dynamic range enhancing circuit an Optical receiver preamplifier dynamic range enhancing circuit an

1996-05-17

1998-03-31

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including atomic particle or radiant energy impinging on a...

250214A, 359194, H03F 308, H04B 1006

Patent

active

057343004

ABSTRACT:
A preamplifier overload control circuit which enhances the dynamic range of the preamplifier. Separate paths shunt corresponding DC and AC components of the signal from an electro-optical device away from the preamplifier input. The amount of shunting in both paths are controlled by a common control signal, here the average DC value of the signal, such that substantially all of the DC signal is shunted away from the preamplifier input.

REFERENCES:
patent: 3968361 (1976-07-01), Bumgardner
patent: 4415803 (1983-11-01), Muoi
patent: 4498001 (1985-02-01), Smoot
patent: 4540952 (1985-09-01), Williams
patent: 4565974 (1986-01-01), Smoot
patent: 4608542 (1986-08-01), Siegel
patent: 4731529 (1988-03-01), Ohsawa
patent: 5008524 (1991-04-01), Reutter et al.
patent: 5012202 (1991-04-01), Taylor
patent: 5442321 (1995-08-01), Bayruns et al.

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