Frequency jitter generation circuit

Details Frequency jitter generation circuit Frequency jitter generation circuit

2008-09-11

2010-11-30

Pascal, Robert (Department: 2817)

Oscillators

Electrical noise or random wave generator

C331S111000, C331S178000

Reexamination Certificate

active

07843278

ABSTRACT:
A frequency jitter generation circuit having a voltage generator and an oscillator circuit is provided. The voltage generator receives an input voltage and converts the input voltage into an upper reference voltage output to the oscillator circuit. Voltage level of the upper reference voltage is varying. The oscillator circuit is coupled with the voltage generator. Voltage level of a reference voltage in the oscillator circuit is oscillated between the upper reference voltage and a lower reference voltage to generate a frequency signal with a jitter based on the variation of the upper reference voltage.

REFERENCES:
patent: 6798302 (2004-09-01), Starr et al.
patent: 7504897 (2009-03-01), Chava et al.
patent: 2008/0157831 (2008-07-01), Hsu

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