Active load for ECL type outputs

Details Active load for ECL type outputs Active load for ECL type outputs

1990-11-05

1991-12-17

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307458, 307467, 307362, H03K 19086, H03K 5153

Patent

active

050737287

ABSTRACT:
An active pull down circuit for a logic circuit, having a true and a complement output, a pull down transistor coupled to one of the true and complement outputs, a bias element for biasing the pull down transistor on, and a charge coupling element coupled between the other of the true and complement outputs and a base of the pull down transistor for coupling charge from the other output to the pull down transistor to turn on the latter harder when the other output goes low.

REFERENCES:
patent: 3134032 (1964-05-01), Mann
patent: 4626709 (1986-12-01), Mazumder et al.
patent: 4689500 (1987-08-01), Gray et al.
patent: 4754171 (1988-05-01), Dasai et al.

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