At 10:41 AM 11/24/2004 -0600, you wrote:
>I have sometimes wondered about the use of polarized capacitors in places
>where they are just used to couple an AC signal to another circuit. Since
>the signal being coupled is AC, there really wouldn't be a whole lot of DC
>potential across it for any length of time.

Often there is some DC being blocked.

>In this case, would it really matter what direction the capacitor's
>polarity was facing?

No, if the DC voltage is low (say 1V) it doesn't matter which way you
install a polarized cap.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com




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