Extended dynamic range optical receiver and signal amplifier app

Details Extended dynamic range optical receiver and signal amplifier app Extended dynamic range optical receiver and signal amplifier app

1987-05-27

1988-07-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

330282, H01J 4014

Patent

active

047571926

ABSTRACT:
A very wide bandwidth, wide dynamic range amplifier incorporating a plurality of feedback paths which are parallel connected upon command is illustrated. The parallel connection is actuated from an input signal strength sensor which has built-in hysteresis so that there is no continuous switching from one feedback configuration to the other at a given input signal strength. The design of the switch feedback path is such that there is very low capacitance at the input of the amplifier, and a single signal peaking compensation circuit can be used to prevent undesirable signal peaking in the response curve.

REFERENCES:
patent: 4069461 (1978-01-01), Sano
patent: 4529947 (1985-07-01), Biard et al.
patent: 4642453 (1987-02-01), Nordqvist et al.

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