Comparator circuit

Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock

Patent

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Details

307570455, H03K 1760, H03K 5153

Patent

active

052967530

ABSTRACT:
A comparator circuit of the present invention comprises first and second bipolar type transistors for amplification of the input and reference voltages and first to fourth MOS type transistors for comparison and latching of the amplified input and reference voltages according to the first driving signal and fifth and sixth MOS type transistors provided between the first/second bipolar transistors and the first to fourth MOS type transistors for turning on and off according to the second driving signal, all on a single stage.

REFERENCES:
patent: 5075581 (1991-12-01), Kamata
patent: 5134319 (1992-07-01), Yamaguchi

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