Temperature tracking and supply voltage independent line driver

Details Temperature tracking and supply voltage independent line driver Temperature tracking and supply voltage independent line driver

1984-04-06

1985-12-17

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307270, H03K 19086, H03K 19013, H03K 1714, H03K 1704

Patent

active

045594589

ABSTRACT:
An active pulldown means is provided for the output line of an ECL gate. The pulldown means utilizes a Wilson current mirror as a differential-to-single ended converter in a transition detection arrangement which tracks temperature variations and rejects supply voltage transients in order to ensure correct operation under all conditions. The desired and the present output conditions are compared in the detection scheme. High transient current is supplied to the output only when the two output conditions do not match for output high-to-low transitions.

REFERENCES:
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patent: 3978347 (1976-08-01), Hollstein et al.
patent: 4276485 (1981-06-01), Rydval
patent: 4287435 (1981-09-01), Cavaliere et al.
patent: 4289978 (1981-09-01), Konian et al.
patent: 4347446 (1982-08-01), Price
patent: 4408134 (1983-10-01), Allen
Chang et al., "Complementary Driver for Emitter-Coupled-Logic Gates", IBM TDB; vol. 19, No. 12, pp. 4614-4615; 5/1977.
Beranger et al., "Emitter Coupled Logic Gate with a Dual Current Source"; IBM TDB; vol. 24, No. 1B, pp. 511; Jun. 1981.
Dansky et al., "Current-Control Gate Push-Pull Dotting"; IBM TDB; vol. 24, No. 6, pp. 3031-3034; 11/1981.

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