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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Phase Shift posted by Triode_Kingdom on August 2, 2017 at 11:26:17:
Could it be a way to attempt to compensate for LF phase lag caused by finite inductance or is it simply to deal with the direct coupling as CB says below?
I get all turned around and my head starts to hurt when I start attempting to think of what is going on. You are feeding a frequency attenuated 90º shifted signal that is 180º out of phase with the cathode to the grid. I do see that cutting the cap value in half will give a 6dB increase of whatever effect this does.
dave
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