>Also, with a 2-tone test, it would seem not to matter whether the
> screen-V is regulated or unregulated since screen-I is constant and
> therefore screen-V would not vary unless the electric-mains V
> fluctuated.
> end
Doesn't the screen current vary as the rf output varies from zero to peak at
the beat frequency between the two tones? The meter reading will be steady
because of inertia.
Steve
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