Load controlled ECL transient driver

Details Load controlled ECL transient driver Load controlled ECL transient driver

1988-11-03

1990-08-14

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307467, 307254, 307270, 307280, 307443, 307300, H03K 19086, H03K 333, H03K 1760, H03K 301

Patent

active

049489917

ABSTRACT:
An ECL transient driver discharges a capacitive load at the output of an emitter follower with a pulse whose amplitude and duration is determined by the charge on the load. A pull-up transistor is coupled to an output terminal for selectively supplying a voltage thereto in response to a first signal from a logic circuit. A pull-down transistor is coupled to the output terminal for selectively sinking a current therefrom in response to a second signal. A comparator circuit is coupled to the pull-down transistor, the logic circuit, and the output terminal, for selectively providing the second signal in response to the first signal and an output voltage on the output terminal.

REFERENCES:
patent: 4237388 (1980-12-01), Nokubo et al.
patent: 4533838 (1985-08-01), Fujita
patent: 4539493 (1985-09-01), Varadarajan
patent: 4675554 (1987-06-01), Koury, Jr. et al.
patent: 4687953 (1987-08-01), Varadarajan
patent: 4698525 (1987-10-01), Tavana et al.
S. K. Wiedman, "TTL Circuit for Driving Heavy Load", IBM Technical Disclosure Bulletin, vol. 14, No. 5, Oct. 1971, p. 1436.

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