Spread spectrum verification circuit

Details Spread spectrum verification circuit Spread spectrum verification circuit

2008-07-01

2008-07-01

Ghebretinsae, Temesghen (Department: 2611)

Pulse or digital communications

Spread spectrum

C375S228000, C375S377000

Reexamination Certificate

active

11949110

ABSTRACT:
A method for verifying a spread spectrum function and a spread spectrum verification circuit are provided. Comparing an output frequency of the spread spectrum function with a reference frequency for the spread spectrum function tests an upper bound of the spread spectrum function. If the output frequency increases above the reference frequency, the upper bound of the spread spectrum function is verified. Comparing the reference frequency for the spread spectrum function with the output frequency of the spread spectrum function tests a lower bound of the spread spectrum function. If the output frequency decreases below the reference frequency, the lower bound of the spread spectrum function is verified.

REFERENCES:
http://www.geocities.com/IECMaster/circuits—msr/clr—mrs011.html,Frequencycomparator, last updated Feb. 15, 2002.

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