Inverting buffer circuit

Details Inverting buffer circuit Inverting buffer circuit

1977-12-08

1979-09-04

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307264, 307270, 330257, H03K 1700, H03K 100

Patent

active

041669649

ABSTRACT:
A current source supplies a constant current to a node leading to two parallel branch circuits. The first, comprising a plurality of series connected semiconductor junctions, connects to the input terminal of a current mirror amplifier (CMA) and the second branch circuit comprising the emitter-to-collector path of a transistor, connects to the output terminal of the CMA. An input signal applied to the base of the transistor causes the constant current to steer mainly into the first branch circuit when the signal exceeds a threshold level and mainly into the second branch circuit when the signal is lower than this threshold level. The output signal, which is available at the output terminal of the CMA, comprises a current at a relatively low voltage level which, in one case, is supplied to, and in the other is withdrawn from, the load circuit connected to this terminal.

REFERENCES:
patent: 3815037 (1974-06-01), Wheatly, Jr.
patent: 3872323 (1975-03-01), Frederiksen et al.
IBM Tech. Disclosure Bulletin, Translating Output Driver, vol. 18, No. 11, 4/76, p. 3589.

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