[Boatanchors] Theory Question bypass caps

Keith Densmore ve3gem at gmail.com
Wed Jul 29 17:12:25 EDT 2015


Thanks to all who responded to my question. Short answer, bigger cap bigger 
inductance, not so good at higher frequencies therefore a second small cap to 
bypass the high end.

73, 
Keith

> Have a question I know someone will know the answer to.
> Very often in tube bypass capacitors, both b+ and cathode, two caps are used, 
a
> lower value and a higher value, ie .01 and a .001.
> What is the purpose of this, would not the .01 do the job alone? Never seen
> this addressed.

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