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polypropylene caps for decoupling?
polypropylene caps for decoupling?
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Old 27th August 2013, 03:37 AM   #1
rhythmsandy is offline rhythmsandy
diyAudio Member
Join Date: Aug 2012
polypropylene caps for decoupling?
Default polypropylene caps for decoupling?

I have a source where I can get 47uf / 630V polypropylene capacitors for lower cost so I just have a question as I read at couple of places that using a polyster or polypropylene cap as decoupling cap will be much better than any electrolytic cap. provided that it occupies alot of space. Is that true that using an polypropylene cap will enhance the sonic performance at decoupling?
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Old 27th August 2013, 10:30 AM   #2
AndrewT is offline AndrewT  Scotland
Join Date: Jul 2004
Location: Scottish Borders
If you can get the inductance of the coupling wires and traces down to a similar length that a radial electrolytic can achieve.

Then you have to ensure that the low esr does not promote ringing.
regards Andrew T.

Last edited by AndrewT; 27th August 2013 at 10:34 AM.
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