Matching circuit for two-channel analog to digital converters

Details Matching circuit for two-channel analog to digital converters Matching circuit for two-channel analog to digital converters

2007-07-31

2007-07-31

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S161000

Reexamination Certificate

active

11373402

ABSTRACT:
A matching circuit for two-channel Analog to Digital Converters (ADCs) is disclosed in which two ADCs convert analog signals of two channels to digital signals with the same operational characteristics. A bias voltage supplier operates in such a way that analog signals of first and second channels are each converted to digital signals by first and second ADCs, a bias voltage supplier generates a DC bias voltage to set up DC levels of the analog signals of the first and second channels, and a reference voltage supplier generates a reference voltage and supplies it to the first and second ADCs. Therefore, the first and second ADCs convert the analog signals to digital signals with the same operational characteristics.

REFERENCES:
patent: 5099239 (1992-03-01), Bruce et al.
patent: 5140327 (1992-08-01), Bruce et al.
patent: 5629700 (1997-05-01), Kumamoto et al.
patent: 5777568 (1998-07-01), Inoue
patent: 6225934 (2001-05-01), Ohashi et al.
patent: 7106231 (2006-09-01), Smith et al.

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