Electronic circuit with a differential pair of transistors...

Details Electronic circuit with a differential pair of transistors... Electronic circuit with a differential pair of transistors...

2006-12-05

2006-12-05

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Bipolar transistor

C326S091000, C327S065000, C327S563000

Reexamination Certificate

active

07145366

ABSTRACT:
An electronic circuit includes at least one differential pair of transistors, a control transistor switch, a first current source and a second current source. The second current source is connected to a common emitter node of the pair of transistors in order to accelerate the discharge of parasitic capacitances during a switching operation.

REFERENCES:
patent: 4999519 (1991-03-01), Kitsukawa et al.
patent: 5381057 (1995-01-01), Kuroda
patent: 5485110 (1996-01-01), Jones
patent: 5627483 (1997-05-01), Bernard
patent: 6552577 (2003-04-01), Tam
patent: 6693463 (2004-02-01), Mateman
patent: 6822520 (2004-11-01), Ramet
Preliminary French Search Report, FR 03 11531, dated Mar. 10, 2004.

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