Here is a tube tester circuit that came out in Radio Craft in September 1946. It uses a peephole tube and is mains powered. Remember that there is no isolation.
Tester (T1087E)
- Details
- Written by: Newton C. Braga
Here is a tube tester circuit that came out in Radio Craft in September 1946. It uses a peephole tube and is mains powered. Remember that there is no isolation.
