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In Reply to: RE: That's called "dumbing down" posted by joshie on January 22, 2022 at 07:54:55
For those that read this post looking for some help here it is..
In cathode bias a small value resistor is placed between the cathode and the ground so it develops negative voltage on the cathode thus achieving bias. In fixed bias a separate circuit provides negative voltage to the grid of the power tube and the cathode is simply grounded.
Follow Ups:
In cathode bias a small value resistor is placed between the cathode and the ground so it develops ***positive*** voltage on the cathode thus achieving bias. The grid is at zero volts DC and the cathode is at a positive voltage so the grid is negative with regard to the cathode. That is what bias is, the grid being negative vs. the cathode.
Tre'
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