Low voltage comparator circuit

Details Low voltage comparator circuit Low voltage comparator circuit

1986-12-29

1988-06-07

Wan, Gene

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, H03F 345

Patent

active

047499559

ABSTRACT:
A low voltage comparator circuit including a differential amplifier circuit, a double-ended to single-ended conversion circuit, and an inverting amplifier circuit is disclosed. The differential amplifier circuit consists of two identical current paths, each having one upper and one lower MOSFET device connected together in series between supply voltage and ground. Each of two input voltages is applied directly to the gate of the upper MOSFET device in one current path and is also coupled, after being inverted, to the gate of the lower MOSFET device in the opposite current path, respectively.

REFERENCES:
patent: 4124808 (1978-11-01), Shiev et al.
patent: 4511810 (1985-04-01), Yukawa

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