Low amplitude differential output circuit and serial...

Details Low amplitude differential output circuit and serial... Low amplitude differential output circuit and serial...

2006-02-28

2010-06-22

Tran, Anh Q (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S090000, C326S115000

Reexamination Certificate

active

07741875

ABSTRACT:
A low amplitude differential output circuit includes a pre-buffer circuit configured to output a main buffer drive signal of a-first drive signal and a second drive signal which are complimentary signals, as a differential signal; and a main buffer circuit connected with the pre-buffer circuit to output a differential output signal in response to the main buffer drive signal. Each of the first drive signal and the second drive signal has an amplitude between a first voltage and a second voltage, and the first drive signal and the second drive signal take a same voltage between the first voltage and a middle voltage between the first voltage and the second voltage.

REFERENCES:
patent: 5959492 (1999-09-01), Khoury et al.
patent: 6172542 (2001-01-01), Williams et al.
patent: 6803820 (2004-10-01), Muljono
patent: 7245156 (2007-07-01), Yeung et al.
patent: 2002/0060588 (2002-05-01), Taylor
patent: 2004/0051573 (2004-03-01), Schrodinger
patent: 1 274 171 (2003-01-01), None
patent: 7-273619 (1995-10-01), None
Extended European Search Report dated Jun. 10, 2008.

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