DIY Valve Tester Build - Part Three.

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Published 2024-05-25

Designing, building & testing the variable bias power supply. Building the variable heater/filament power supply.

Testing power supply's for high frequency diode switching noise: eliminating test setup anomaly's.

All Comments (6)

@ianmorgan6104 1 month ago

Great progress Andy and lots of useful tips and advice. Looking forward to the next video! : )
@BrumAdam 1 month ago

Excellent stuff Andy! Looking forward to your next one
@jimwelch4481 1 month ago

Great video, love the sound effects.
@mfr58 1 month ago

Cracking on nicely......
@f.k.burnham8491 1 month ago

Good progress. I am really interested in seeing this completed. I am still working on the tube tester for transmitting tubes, but have made little progress since the medical problems cropped up.