Avo Valve Tester

[pwdrive]

Simplified schematic for the Avo two panel valve tester, shown with a triode as the DUT, circuit shown with the mA/V - C Ins. switch contacts omitted except for the grid circuit contacts for that switch, circuit shown as it would be connected with the mA/V-C Ins. switch in the neutral position.

Any errors then guilty as charged.

   

Lawrence