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https://yabb.autonerdz.com/cgi/yabb2//YaBB.pl General Public Area >> Test Board >> noisy captures what i my doing wrong https://yabb.autonerdz.com/cgi/yabb2//YaBB.pl?num=1333756637 Message started by jobs69 on Apr 6^th, 2012 at 3:57pm

Title: noisy captures what i my doing wrong
Post by jobs69 on Apr 6^th, 2012 at 3:57pm

had pt cruiser with no start scoped ckp and cmp and the signals were very noisy

https://yabb.autonerdz.com/cgi/yabb2//YaBB.pl?action=downloadfile;file=06_chrysler_2_4_ckpandcmp_unknown.psdata (14957 KB | )

Title: Re: noisy captures what i my doing wrong
Post by Mick on Apr 6^th, 2012 at 4:12pm

jobs69 wrote on Apr 6^th, 2012 at 3:57pm:

signals were very noisy

I would be more concerned about using AC on channel B [smiley=thumbdown.gif]

Title: Re: noisy captures what i my doing wrong
Post by crackerclicker on Apr 6^th, 2012 at 4:37pm

doesn't look that bad to me. maybe a little too high of sample rate and, as mick pointed out, ac coupling on the cmp sensor.