[ARC5] Tube Testing

[J. Forster]

You can pick up simple emission tube testers at most any flea or on eBay
for well under $50. EICO, Heathkit, etc.

A few really good ones go high, Mils, AVOs, Trippletts because of
Audiop-hools.

Why bother to build one?

-John

==============



> Speaking of test equipment, I have signal generators out the whazoo (some
> of which actually work), more multimeters than I probably could even
> locate in a day's worth of searching, two VTVM's, a digital freq counter,
> and 5 Oscopes of varying sophistication.
>
> But I do not have a tube tester, other than by swapping them out in a
> radio and noting the effects.
>
> Aside from checking the filaments with a multimeter, are there any simple
> tests that can determine the likelihood of a tube being good or bad?  I
> have some of the older ARRL handbooks with the tube data in the back as
> well a RCA Receiving Tube handbook. I even have an original TV-7 test data
> book (the one made with the extra stiff cardboard like pages if anyone
> needs it).  So I do not lack for basic data.
>
> So if I wanted to take a chassis and put a bunch of different tube sockets
> in it and wire up a simple tester of some kind, using a multimeter or
> scope readout, how would I do that?
>
> Thanks,
>
> Wayne
> WB5WSV
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