Amplifier circuit

Details Amplifier circuit Amplifier circuit

1976-12-22

1978-01-17

Mullins, James B.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307290, 307359, 330253, 330254, 330257, 330277, 330282, 330288, H03K 520, H03F 3185, H03F 345, H03G 330

Patent

active

040694313

ABSTRACT:
A current mirror amplifier (CMA) with controlled current gain, the current gain being changed, for example, responsive to the output condition of a comparator in which the CMA is used in a differential signal combining circuit. In such a comparator application the switched gain of the CMA imparts hysteresis to the comparator characteristics.

REFERENCES:
patent: 3659121 (1972-04-01), Frederiksen
patent: 3832645 (1974-08-01), Gruetman
patent: 3943380 (1976-03-01), Morgan et al.

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