Method and apparatus for synchronizing a multiple-stage...

Details Method and apparatus for synchronizing a multiple-stage... Method and apparatus for synchronizing a multiple-stage...

2006-09-12

2006-09-12

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Parallel to serial

C714S707000

Reexamination Certificate

active

07106227

ABSTRACT:
A method and apparatus for synchronizing multiple-stage multiplexers are disclosed. According to exemplary embodiments of the present invention, multiplexer circuits in the multiple-stage multiplexer are synchronized based upon a frequency response of the output of the multiplexer. The power level of the output of the multiple-stage multiplexer is measured at a frequency corresponding to the input data rate of the multiple-stage multiplexer, during the time a test pattern is sent through the multiple-stage multiplexer. In an exemplary embodiment of the invention, the multiple-stage multiplexer is placed in substantially random states until the measured power level reaches the predetermined.

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