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Measurements >> Phase Noise and Jitter Measurements >> jitter simualtion with load or without load...
https://designers-guide.org/forum/YaBB.pl?num=1264590137

Message started by somisetty on Jan 27^th, 2010, 3:02am

Title: jitter simualtion with load or without load...
Post by somisetty on Jan 27^th, 2010, 3:02am

Hi,

i am simulating USB 2.0 Full Speed Driver for Jitter measurement.Is the simulaiton setup correct or not..i mean do i need to use the capacitive load or not...(USB 2.0 Full Speed driver Cap load is 50pF...)

Thanks

Title: Re: jitter simualtion with load or without load...
Post by love_analog on Apr 20^th, 2010, 7:56am

I am not familiar with the spec. In general you want to put the load since this will change the rise and fall time - which in turn does impact jitter.