Comparator circuit

Details Comparator circuit Comparator circuit

1982-04-12

1985-07-16

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307362, 330257, H03K 524

Patent

active

045298912

ABSTRACT:
A comparator circuit comprising an operational amplifier for comparing a reference input signal at a given voltage and an input signal at an unknown voltage to produce a signal representing the result of the comparison, a first constant current source for feeding a constant current to the operational amplifier, an output transistor, having its base connected to the output of the operational amplifier, for controlling the output of the circuit, and a second constant current source for feeding a constant current to the base of the output transistor. This configuration enables the comparator circuit to operate normally, even when the input voltage is less than the reference voltage and is equal to zero.

REFERENCES:
patent: 3988595 (1976-10-01), Eatock
patent: 4013898 (1977-03-01), Makino
patent: 4295063 (1981-10-01), Price, Jr.
patent: 4338527 (1982-07-01), Nagano
patent: 4339674 (1982-07-01), Hashimoto
patent: 4418290 (1983-11-01), Nagano

Affiliated with

Also associated with

Rating

Comparator circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Comparator circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Comparator circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1737897