Sampled-data circuits using zero crossing detection

Details Sampled-data circuits using zero crossing detection Sampled-data circuits using zero crossing detection

2006-06-16

2008-12-02

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S079000, C327S094000

Reexamination Certificate

active

07459942

ABSTRACT:
A sampled-data analog circuit includes a level-crossing detector. The level-crossing detector controls sampling switches to provide a precise sample of the output voltage when the level-crossing detector senses the predetermined level crossing of the input signal. The level-crossing detection may be a zero-crossing detection. An optional common-mode feedback circuit can keep the output common-mode voltage substantially constant.

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