ECL Gate having emitter bias current switched by input signal

Details ECL Gate having emitter bias current switched by input signal ECL Gate having emitter bias current switched by input signal

1983-04-26

1985-05-14

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307296A, H03K 19086, H03K 19003

Patent

active

045174768

ABSTRACT:
Given a logic element in ECL or E.sup.2 CL technology whose differential amplifier is driven by way of an emitter follower, a transistor is inserted between the emitter-side terminal of the supply voltage and the constant current source for the feed of the differential amplifier, the additional transistor being controlled by the current through the emitter resistor of the emitter follower transistor. With this structure, the absence of or too low a value of the emitter follower current can be perceived during a static check.

REFERENCES:
patent: 3909636 (1975-09-01), Masaki et al.
patent: 3955099 (1976-05-01), Gaskill, Jr. et al.
patent: 4100431 (1978-07-01), Stipanuk
patent: 4349750 (1982-09-01), Geurts
patent: 4435654 (1984-03-01), Koide
patent: 4439696 (1984-03-01), Yokoya
Abilevitz, B. et al., "ECL Receiver for Schottky Current Switch Circuit", IBM Technical Disclosure Bulletin, vol. 21, No. 4, Sep. 1978, pp. 1451-1452.

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