Method and apparatus for amplifying signals

Details Method and apparatus for amplifying signals Method and apparatus for amplifying signals

1987-11-16

1990-07-03

Moskowitz, Nelson

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, 330297, 250334, H03F 345

Patent

active

049394800

ABSTRACT:
An method and apparatus for amplifying signals from an elemental detector in a detector array (10) is disclosed. The apparatus comprises a preamplifier (26) for amplifying the output of the elemental detector. The preamplifier comprises first differential amplifier (170) and a circuit (174) for lowering the gain of the first differential amplifier. The apparatus further comprises a postamplifier (28) for amplifying the output of the preamplifier (26). The postamplifier (28) comprises a second differential amplifier (370) and a circuit (374) for lowering the gain of the second differential amplifier.

REFERENCES:
patent: 3916333 (1975-10-01), Zuk
patent: 4423437 (1983-12-01), Beck et al.
patent: 4471321 (1984-09-01), Bowers
patent: 4749852 (1988-06-01), Takahashi
Computer Design, Apr. 1978, pp. 202, 204.
Dekok et al., "Monolithic Instrumentation Amplifier", Electrical Engineering, vol. 3, No. 3, Jul. 1978, pp. 225-236.

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