Results tagged #Tube Tester in Circuits
VCM 163 Valve Characteristic Meter Equipment
The AVO VCM 163 is one of the few tube testers (British: valve tester) being able to measure tube electrode currents, e. g. plate and screen...
tube tester
The meter has only one scale (0. 150) but this also used for 0. 75 and 0. 30. This is such a pain, and all people use a calculator with it. ...
Tube Tester for any budget
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The uTracer V3 a miniature Tube Curve Tracer
In an instrument like the uTracer, which handles voltages of several hundreds of Volts at currents of several hundreds of mA, it is obvious ...
Tube tester
Is a capable tube tester, yet its use scenarios can be multiplied with only modest efforts invested in understanding its schematic, regimes,...
Eico667 troubleshooting
Here is the schematic from the Eico 667 tube tester. It is very similar to the 666, except now there are a pair of extra levers, and a few t...