Jitter injection circuit, pattern generator, test apparatus,...

Details Jitter injection circuit, pattern generator, test apparatus,... Jitter injection circuit, pattern generator, test apparatus,...

2008-01-30

2010-11-16

Dole, Timothy J (Department: 2831)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S603000, C324S612000, C702S069000, C714S705000

Reexamination Certificate

active

07834639

ABSTRACT:
Provided is a jitter injection circuit that generates a jittery signal including jitter, including a plurality of delay circuits that receive a supplied reference signal in parallel and that each delay the received reference signal by a preset delay amount and a signal generating section that generates each edge of the jittery signal according to a timing of the signal output by each delay circuit. In the jitter injection circuit the delay amount of at least one delay circuit is set to be a value different from an integer multiple of an average period of the jittery signal.

REFERENCES:
patent: 7516374 (2009-04-01), Hsu et al.
patent: 2001/0011893 (2001-08-01), Walker
patent: 2004/0251914 (2004-12-01), Doi et al.
patent: 2008/0172193 (2008-07-01), Rhee et al.
patent: WO2007049365 (2007-05-01), None

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