Tube Amps / Music Electronics
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|4/30/2006 9:22 AM|
|Satamax||What does this do?|
What does this thing when you input some AC in?
|4/30/2006 11:54 AM|
There seems to be a spelling error in the link to the image - should read:
Anyway, it is a simple first order highpass filter.
There is no point in having two caps in series like this, they can be replaced with a single cap with half the value (110p).
|4/30/2006 2:25 PM|
Thanks a lot Eric!
Well, i drew it this way, because each cap dephasing the curent by 90 degres, i thought the curent out of the resistor would be 180 degres out of phase with with the one out of the caps, but i realize that it might not be that simple They form a smaller cap when in series, so it might not behave as expected dephasing teh signal. That's why they use a center resistor in bridged T filters? It's a high pass then, huh, does it act as a high pass to the ground when used as a cathode bypass circuit on a preamp valve?
Thanks again. Max.
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