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|previous: Randall Aiken Kale,||View Thread|
|11/8/1999 6:44 PM|
|Randall Aiken||Re: Help needed ! Right bias for EL84s ?|
One more thing I forgot: the cathode voltage in cathode-biased mode is subtracted from the plate voltage to get the total plate-to-cathode voltage for dissipation calculations. This also allows you to increase the idle current in cathode-biased mode without exceeding plate dissipation. Since the cathode of a fixed-bias amp is usually connected to ground, you have to use the full plate voltage in dissipation calculations.