Digital-to-analog converter circuits including independently...

Details Digital-to-analog converter circuits including independently... Digital-to-analog converter circuits including independently...

2005-10-25

2005-10-25

Williams, Howard L. (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

C341S136000, C341S144000

Reexamination Certificate

active

06958719

ABSTRACT:
Digital-to-analog converter circuits can include independently sized first and second current source transistors coupled to respective pluralities of first and second current provider transistors in current mirror configurations. The first and second current provider transistors can be sized proportionally to the first and second current source transistors respectively.

REFERENCES:
patent: 5646619 (1997-07-01), Daubert et al.
patent: 5798723 (1998-08-01), Fong
patent: 6295012 (2001-09-01), Greig
patent: 6590516 (2003-07-01), Inagaki et al.
patent: 6891495 (2005-05-01), Chen et al.
patent: 9191252 (1997-07-01), None
patent: 2002-164788 (2002-06-01), None
patent: 1020000072961 (2000-05-01), None
Notice to Submit a Response for Korean Patent Application No. 10-2003-0063150 mailed on Mar. 29, 2005.

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