Re: How would you interpret this waveform?
From: CJT (abujlehc_at_prodigy.net)
Date: 03/22/05
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Date: Tue, 22 Mar 2005 05:09:36 GMT
Mike wrote:
> Repairing a BK E-200D rf signal generator. This waveform is what my
> scope is showing on the output with the internal 400hz audio signal
> applied at 50% modulation on an approx 500kHz signal. It should be a
> clean sine wave. I am new to using a scope so not sure what the
> waveform indicates, clipping? Power supply is not clean?
> Here is a jpeg - thanks for any help!
>
> http://mparkes.com/img_1807.jpg
>
It looks like your modulating audio signal is a filtered square wave
(or a square wave run through an amp with inadequate bandwidth).
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