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bias capacitor
bias capacitor
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Old 12th June 2012, 09:07 PM   #1
vitalstates is offline vitalstates  United Kingdom
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Default bias capacitor

This has probably been asked before but I did a search and nothing seemed related so.....

can somebody advise what's the best type of capacitor in the C? position. I think I need to trap the - dc content but not affect the ac load...am I looking at this the right way?...If I use an electrolytic backwards then aren't I putting it in the wrong way round with respect to the signal?
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Old 12th June 2012, 09:14 PM   #2
DF96 is offline DF96  England
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C will have little signal voltage across it, so it can't do much harm. Given the probable high impedances it need not be an electrolytic, although there is no reason why it should not be.
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