Spread spectrum clock generation device

Details Spread spectrum clock generation device Spread spectrum clock generation device

2008-10-28

2011-12-27

Kinkead, Arnold (Department: 2817)

Oscillators

Electrical noise or random wave generator

C331S016000, C331S034000, C331S017000, C455S260000, C327S156000, C375S376000

Reexamination Certificate

active

08085101

ABSTRACT:
A spread spectrum controller (20) controls a PLL (10) so that the PLL outputs a spread-spectrum processed clock signal. A loop bandwidth controller (30) controls at least one of a phase detector (11), a loop filter (12), a voltage-controlled oscillator (13), and a frequency divider (14) in the PLL (10) during operation of the spread spectrum controller (20) to change a loop bandwidth of the PLL (10).

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