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1999 Chevrolet Blazer
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<blockquote data-quote="keep_hope_alive" data-source="post: 8164298" data-attributes="member: 576029"><p>i think you may be seeing artifacts of slew rate at high amplitudes causing distortion and harmonics. the harmonics are what you see on the waveform.</p><p></p><p>looks like a troublesome 150hz peak (i struggled with that until recently). and some interference going on around 1kHz.</p></blockquote><p></p>
[QUOTE="keep_hope_alive, post: 8164298, member: 576029"] i think you may be seeing artifacts of slew rate at high amplitudes causing distortion and harmonics. the harmonics are what you see on the waveform. looks like a troublesome 150hz peak (i struggled with that until recently). and some interference going on around 1kHz. [/QUOTE]
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