Gibsonian's Cherry Pl 700 Ser I, soon to be a PLWO-1000

laatsch55

laatsch55

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#346
To see what contributors were to the THD & N , I ran a spectrum analysis ssweep. I posted the appropriate page from the AP Manual. What I don't know for sure is if I have turned off the fundamental frequency by shutting off the generator and does that shut down the whole generator. I can't seem to find that piece of info. From the sweep graph it appears I captured some data, but is it relevant??
 

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Gibsonian

Gibsonian

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laatsch55 said:
To see what contributors were to the THD & N , I ran a spectrum analysis ssweep. I posted the appropriate page from the AP Manual. What I don't know for sure is if I have turned off the fundamental frequency by shutting off the generator and does that shut down the whole generator. I can't seem to find that piece of info. From the sweep graph it appears I captured some data, but is it relevant??
Click to expand...

Dunno. After reading explanation it would seem source of noise would be considered random, no specific source to explain it.
 
laatsch55

laatsch55

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That was my conclusion Joe. Seems to be the major factor, with distortion playing a very minor role, 60 Hz hum and it's multiples...
 
Gepetto

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try swapping the AP input/output channels and see if it follows that or not. Always rule out instrumentation first.
 
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