Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1978-08-10
1980-06-10
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307205, H03K 1932, H03K 1908
Patent
active
042074762
ABSTRACT:
An exclusive-OR circuit includes a first pair of field effect transistors (FETs), series coupled to a transferred electron logic device (TELD) and a second pair of FETs, arranged as an inhibit circuit. The second pair of FETs is either coupled in series with the first pair of FETs and TELD or in a parallel-serial relationship therewith in accordance with different embodiments of the invention. When a signal of a given polarity and a signal indicative of that signal are applied respectively to only one gate of each pair of FETs, the TELD produces an output signal. When a signal of a given polarity and a signal indicative of that signal are applied respectively to both gates of each pair of FETs, the second pair of FETs inhibits the TELD from producing an output signal.
REFERENCES:
patent: 3500062 (1970-03-01), Annis
patent: 3604944 (1971-09-01), Gundersen
patent: 4145624 (1979-03-01), Upadhyayula
patent: 4160919 (1979-07-01), Curtice
Cohen Samuel
Heyman John S.
RCA Corporation
Smiley Raymond E.
Troike Robert L.
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