capacitor/diode switching

Started by Toney, March 04, 2005, 11:58:37 PM

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Toney

HI,
Going to do a Screamer type with switchable input caps, feedback resistors and diodes.
A thought occured.....
Are there any pitfalls to not completely isolating these components when switching with dpdts? ie. leaving them "half connected" whilst the other option functions?

Outlaws

I just did a diode switch on my Distortion+.  They are both isolated frmt he circuit when not in use and it does pop when switch while playing.  I think if I connected all the grounds so they are both grounded no matter what, that it might get rid of it, but that is just my noob guess.   :lol:

Toney

Or asking in another way....
My understanding of true bypass is that its desirable due to impedence problems and "tone sucking" when the signal can travel through the     non-isolated circuit as well as to the output when the pedal is off.
Is this also an issue within the circuit when a number of capacitors and diodes are present and connected with one leg on the board and the other on the non active side of a switch?
As will be the case with my next build .
Should I use  3pdt switches to complelely isolate both ends of the components not in use?