Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics.

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Thanks, Tre ...

Posted by andyr (M) on January 18, 2012 at 13:52:44

In Reply to: RE: Pinging EEs - cap rolloff equation?? posted by Tre' on January 18, 2012 at 11:35:41:

OK, you say "The 100uf cap is not bypassing the 51K resistor. It's bypassing the impedance of the Source of the JFET."

Can you explain what the difference is?

And you went on "The impedance of the Source of the JFET will be lower than the 51K ohms resistor."

So can you tell me what the equation is for calculating the impedance of the Source?

Many thanks,

Andy

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