Re: Signal interference in a long cable

From: Segher Boessenkool <>
Date: Wed, 21 Dec 2016 16:03:49 -0600
Message-ID: <>
On Wed, Dec 21, 2016 at 10:15:51PM +0100, Michał Pleban wrote:
> What is the significance of 470pF? Is it related to the clock speed?

With an equivalent resistance of the cable of about 100R that gives an
RC constant of about 5MHz (so the "knee" of your lowpass filter is there,
the signal should be at lower frequencies).  As always you'll have to
experiment to see what works best, but this gives a reasonable starting


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Received on 2016-12-21 23:00:02

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