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RE: Thresholds?

Posted by Jon Risch (B) on September 10, 2013 at 21:25:21

In Reply to: Thresholds? posted by KlausR. on September 9, 2013 at 07:00:30:

It would help tremendously in answering your questions, to simply go to the links I provided.

As for the jitter levels, I think that your question will answer itself once you see the levels he is talking about, and which ARE audible if you listen to his audio files!

If after reading the content of the links, you still have such questions, then I would begin to doubt that I could possibly be able to explain it to you. But I will try, if that is what you need.

Of course, if you read both links, the audio files will no longer be blind, but I guess it depends on whether or not you can invest even a few minutes of your time to check it out and listen first before going to the 2nd link.

If it helps to know ahead of time some of the details, then:
The jitter is a band of noise at center frequencies of 300 Hz, 200 Hz, and a band of noise below 10 Hz.
The amount is 300 pS (200 Hz and 300 Hz)and 800 pS (below 10 Hz band).
The reference file is supposed to have jitter levels around 2-4 pS.

The test set-up is shown at:
http://cranesong.com/JITTER_TEST_SETUP.pdf

Jon Risch

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