thanks for the tip...your correct...wouldnt using DC cause a bias condition
that may cause linearity problems?.......steven
"R. Measures" <r@somis.org> wrote:
On Apr 24, 2004, at 10:45 AM, Steven Grant, W4IIV wrote:
> Hi steve
> the voltage shoud be 4.8 volts for maximum tube life. 5 volts or more
> will cut tube life with very little benifit.
> the reason AC is used has to do with biasing, 5 volts DC with this
> tube will affect biasing (in many amps, 5 volts is what they use to
> bias the tube to cut off)
ð Steve : 25v will typically bias a 3-500Z to cutoff. 5v is typical
operate bias.
> ...
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
STEVEN GRANT W4IIV
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