DA converter, AD converter, and semiconductor device

Details DA converter, AD converter, and semiconductor device DA converter, AD converter, and semiconductor device

2006-08-18

2008-09-09

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S139000

Reexamination Certificate

active

07423570

ABSTRACT:
A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.

REFERENCES:
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patent: 6304139 (2001-10-01), Kanno
patent: 6563388 (2003-05-01), Masenas et al.
patent: 6868262 (2005-03-01), Gonya, Sr.
patent: 2000-152082 (2000-05-01), None
patent: 2001-125734 (2001-05-01), None
patent: 2002-232291 (2002-08-01), None
patent: 2002-007984 (2004-01-01), None

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