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Old 27th Dec 2009, 10:42 am   #7
David G4EBT
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Join Date: Feb 2003
Location: Cottingham, East Yorkshire, UK.
Posts: 5,737
Default Re: Homebrew Valve Tester

Mike, I have to say again that this project is so outstanding that I do hope you'll write it up for publication in either the BVWS Bulletin of Radio Bygones. The topic of valve testers and testing valves crops up with regularity on the forum, and your tester would make both an enjoyable project in its own right, and cost effective too.

The use of a PCB aids repeatability, and as you've pointed out, though the valveholder wiring looks a complicated "rats' nest" in reality, it's really quite simple. (Just one valveholder could be wired up first to make sure all is well, then others progressively wired up later).

All of the components are readily available too.

You've already done most of the writing up which would form the basis of a magazine article the in your postings on the forum! Two projects which were very well received have been the Electrolytic Capacitor Reformer, which featured in both Bygones and the Bulletin, and the Raymond Haigh Wobbulator. Your valve tester would be a most worthy item to complete the trio!

Best regards,

David,
G4EBT
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