Variable-threshold-type differential signal receiver

Details Variable-threshold-type differential signal receiver Variable-threshold-type differential signal receiver

1983-07-12

1986-05-06

Anagnos, Larry N.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307356, 307359, 307443, 307455, 330261, H03K 524, H03K 19003, H03K 19086

Patent

active

045874441

ABSTRACT:
A variable-threshold-type differential signal receiver comprises a differential amplifier for comparing differential voltages of differential input signals with a predetermined threshold voltage so as to provide logical output signals. It further comprises an emitter follower and an impedance means, the output of the emitter follower being superimposed through the impedance means on one of the differential input signals, whereby the predetermined threshold voltage is variably controlled by controlling the input voltage of the first emitter follower.

REFERENCES:
patent: 3467839 (1969-09-01), Miller
patent: 3470388 (1969-09-01), Scarpa
patent: 3577008 (1971-05-01), Craft
patent: 3626214 (1971-12-01), Wesner

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