Amplifier programmable in gain and output polarity

Details Amplifier programmable in gain and output polarity Amplifier programmable in gain and output polarity

1978-10-27

1980-06-24

Mullins, James B.

Amplifiers

Combined with automatic amplifier disabling switch means

330 86, 330110, 330144, 330282, 330284, H03G 300

Patent

active

042097533

ABSTRACT:
A programmable amplifier includes an operational amplifier receiving an analog input signal of a given polarity and voltage range and a read only memory (ROM) control which actuates six switches in a resistor configuration connected to the amplifier in such a manner as to provide a selection of two gain factors and direct or inverted polarity output in response to combinations of digital signals on two input lines to the ROM.

REFERENCES:
patent: 3970868 (1976-07-01), Clements et al.
patent: 4016557 (1977-04-01), Zitelli et al.
patent: 4053797 (1977-10-01), Tosuntikool et al.
Lasser, "Bipolar Autoranging for a DC Amplifier," Nuclear Instruments and Methods, vol. 126, No. 4, Jul. 1, 1975, pp. 579-581.

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