Pipelined analog-to-digital converter having enhanced high...

Details Pipelined analog-to-digital converter having enhanced high... Pipelined analog-to-digital converter having enhanced high...

2007-01-02

2007-01-02

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S155000

Reexamination Certificate

active

11247748

ABSTRACT:
A pipelined digital-to-analog converter includes a first sub analog-to-digital converter and a multiplying digital-to-analog converter. The first sub analog-to-digital converter, which is responsive to a first reference voltage, is configured to convert a first analog signal into a first digital signal. The multiplying digital-to-analog converter is responsive to the first analog signal, the first digital signal and a second reference voltage. The second reference voltage is generated independently of the first reference voltage in order to enhance the high frequency performance characteristics of the pipelined digital-to-analog converter.

REFERENCES:
patent: 4994808 (1991-02-01), Wichelman
patent: 5936461 (1999-08-01), Nagazumi
patent: 6323800 (2001-11-01), Chiang
patent: 6369744 (2002-04-01), Chuang
patent: 6437722 (2002-08-01), Yoshizawa
patent: 2000-022541 (2000-02-01), None
patent: 2001-168713 (2001-06-01), None
patent: 1019970005828 (1997-04-01), None

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