This valve circuit for telegraphy practice is from 1966 documentation. The power supply is not indicated and the transformer is of the type used on tube radios of the time.
Telegraphy Oscillator (T292E)
- Details
- Written by: Newton C. Braga
This valve circuit for telegraphy practice is from 1966 documentation. The power supply is not indicated and the transformer is of the type used on tube radios of the time.
