Analog-to-digital converter and method of generating an...

Details Analog-to-digital converter and method of generating an... Analog-to-digital converter and method of generating an...

2006-02-21

2006-02-21

Nguyen, Linh Van (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S159000

Reexamination Certificate

active

07002502

ABSTRACT:
Analog-to-digital converter for converting an analog input signal into a digital binary output signal includes a reference unit for generating a thermometric signal based on comparison of the input signal with a reference voltage level, a first logic circuit connected to the reference unit for generating an intermediate signal based on the thermometric signal, and a second logic circuit connected to the first logic circuit for generating the digital binary output signal based on the intermediate signal. The thermometric signal includes a bit word from a first set of bit words and the intermediate signal includes a bit word from a second set of bit words. Bit words from the second set are arranged in rows of a matrix, the sequence of the rows corresponding to unique numbers represented by the bit words. Respective numbers of bit changes in the respective columns of the matrix are at least substantially equal.

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patent: 6542104 (2003-04-01), Capofreddi
patent: 6774830 (2004-08-01), Brooks
patent: 6906656 (2005-06-01), Yoon

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