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Old 22nd February 2004, 09:34 AM   #11
Lovan is offline Lovan  Sweden
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Quote:
Originally posted by Prune
Well I did it anyways, and it worked fine.
Capacitors in series halves the capacitance. But I don't know about resonant frequency. Can you point me to some info? I had trouble finding what you were talking about on Google.

http://www.capacitors.com/picking_ca...rs/pickcap.htm

This article talks a bit about resonance frequency
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Old 23rd February 2004, 06:12 PM   #12
hjelm is offline hjelm  Sweden
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The basic reason for the lowering of the resonant frequency is found on the following link.
http://www.wima.com/inductance.htm

The effect is shown on the following graph, see the last page in the pdf file
http://www.elfa.se/pdf/65/06571301.pdf


But if the point is well beyond the highest frequency out of the DAC that you want to attenuate it is ok.
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