Low voltage differential signalling driver

Details Low voltage differential signalling driver Low voltage differential signalling driver

2007-10-04

2009-06-23

Cox, Cassandra (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S112000

Reexamination Certificate

active

07551006

ABSTRACT:
A low voltage differential signal (LVDS) driver comprising a cascade current source circuit coupled to a positive voltage supply configured to supply a current, a cascade current sink circuit maintained at a ground voltage configured to receive the current; the cascade current source circuit being coupled to the cascade current sink circuit by a current switching circuit being provided by a positive voltage supply from the cascade current source circuit and with complementary logic signals, the current switching circuit configured to provide a constant differential output voltage while in operation. Other embodiments are also disclosed.

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patent: 6552581 (2003-04-01), Gabara
patent: 6900663 (2005-05-01), Roper et al.
patent: 6975141 (2005-12-01), Mueller et al.
patent: 7034574 (2006-04-01), Li
patent: 7154318 (2006-12-01), Sharma et al.
patent: 7183805 (2007-02-01), Wang et al.
patent: 7236018 (2007-06-01), Wang et al.
patent: 7330056 (2008-02-01), Lu
patent: 2007/0139086 (2007-06-01), Liu

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