Schmitt trigger circuit with stable operation

Details Schmitt trigger circuit with stable operation Schmitt trigger circuit with stable operation

1983-12-20

1986-07-29

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307279, 307360, H03K 3356, H03K 3295

Patent

active

046032649

ABSTRACT:
A stably operating Schmitt trigger circuit is formed by connecting in parallel a series circuit comprising a first inverter having high threshold voltage and a first switch to another series circuit comprising a second inverter having low threshold voltage and a second switch, making one ends of the series circuits an input terminal, and connecting the other ends to an output terminal through a third inverter, wherein the first switch is allowed to conduct when the electric potential at the output terminal is low and the second switch is allowed to conduct when the potential at the output terminal is high.

REFERENCES:
patent: 3512010 (1970-05-01), Washburn
patent: 3666970 (1972-05-01), Abbott et al.
patent: 3952213 (1976-04-01), Fukaya
patent: 4023122 (1977-05-01), Oura
patent: 4464587 (1984-08-01), Suzuki et al.
patent: 4506168 (1985-03-01), Uya

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