Three-state output circuit

Details Three-state output circuit Three-state output circuit

1979-11-16

1982-03-30

Mullins, James B.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307456, H03K 1920

Patent

active

043226400

ABSTRACT:
A three-state output circuit is disclosed. The three-state output circuit is comprised of a phase-splitter transistor, a pull-up transistor and a pull-down transistor and further comprised of a control circuit which operates to make the transistors active or non-active. At least one of said transistors is connected to the control circuit via a newly employed PNP transistor through its emitter and base. The collector thereof is connected to a ground point of the three-state output circuit.

REFERENCES:
patent: 3515899 (1970-06-01), May
patent: 3980898 (1976-09-01), Priel
patent: 4081695 (1978-03-01), Allen et al.

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