Clock modulation circuit for correcting duty ratio and...

Details Clock modulation circuit for correcting duty ratio and... Clock modulation circuit for correcting duty ratio and...

2007-07-23

2009-11-10

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

C327S175000, C327S263000

Reexamination Certificate

active

07616038

ABSTRACT:
A clock modulation circuit includes a modulation block that receives a fixed clock generated from a reference clock and buffers the fixed clock so as to generate a modulated clock. A correction unit is provided in the modulation block to correct the duty ratio of the modulated clock.

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Hardin et al., “Spread Spectrum Clock Generation for the Reduction of Radiated Emissions”, IEEE International Symposium on Electromagnetic Compatibility, pp. 227-231, 1994.

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