Emitter coupled logic circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

3072993, 307355, 307544, 307443, H03K 19086, H03K 19003, H03K 1704, H03K 19013

Patent

active

049280252

ABSTRACT:
An emitter coupled logic circuit includes variable impedance circuit which is connected to at least one of two output terminals of the ECL circuit for variably providing an impedance connected to the one output terminal. An impedance to be provided when both the levels of the two outputs are at a high-level is set to be smaller than an impedance to be provided when at least one of the two outputs is at a low-level.

REFERENCES:
patent: 4276485 (1981-06-01), Rydval
patent: 4539493 (1985-09-01), Varadarajan
patent: 4551638 (1985-11-01), Varadarajan
patent: 4559458 (1985-12-01), Ma
patent: 4631427 (1986-12-01), Mazumder et al.
patent: 4675554 (1987-06-01), Koury, Jr. et al.
patent: 4754171 (1988-06-01), Dasai et al.
patent: 4810900 (1989-03-01), Okabe

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