Preamplifier for laser guided projectile

Details Preamplifier for laser guided projectile Preamplifier for laser guided projectile

1984-11-15

1991-11-05

Gregory, Bernarr E.

Amplifiers

With semiconductor amplifying device

Including gain control means

244 316, 250214AG, 356152, H03G 310, H03G 318, H03G 330

Patent

active

H00009954

ABSTRACT:
A gain controllable amplifier wherein a plurality of signal paths are proed with each of the signal paths having predetermined different gain characteristics. The gain of the total amplifier is selected by application of power supply voltages to amplying stages of the different signal paths with the combination of the level of the voltages determining which signal path will be operational and the total gain of the amplifier.

REFERENCES:
patent: 3954340 (1976-05-01), Blomqvist et al.
patent: 3970269 (1976-07-01), Conforti
patent: 4006356 (1977-02-01), Johnson et al.
patent: 4131254 (1978-12-01), Underwood
patent: 4234145 (1980-11-01), Leiboff
patent: 4305044 (1981-12-01), Leidich
patent: 4361815 (1982-11-01), Schade, Jr.
patent: 4371846 (1983-02-01), Gamble
patent: 4376267 (1983-03-01), Chu et al.
patent: 4439744 (1984-03-01), Kumar et al.

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