Voltage comparator

Details Voltage comparator Voltage comparator

1981-05-19

1983-11-29

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307362, 330252, 330257, H03K 524

Patent

active

044182902

ABSTRACT:
Input transistors respectively provided for noninverting and inverting inputs are of the PNP conductivity type. The input transistors are respectively connected to a pair of transistors which form a differential pair. The differential transistors are NPN conductivity type transistors which are opposite in their conductivity type to the conductivity type of the input transistors. The differential pair is connected to a current-mirror circuit and an output circuit section. Thus, an output signal corresponding to the voltage level difference between the input signals supplied to the pair input terminals is provided from an output terminal.

REFERENCES:
patent: 3649846 (1972-03-01), Frederikson
patent: 3979686 (1976-09-01), Schade, Jr.
patent: 4147944 (1979-04-01), Monticelli

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