Found in a 1967 General Electric SCR manual, this circuit uses a neon lamp to produce opposing SCR clocks. The transformer is of the commercial type of the time.
Although not using transformers, this amplifier may have difficulty mounting if the original...
This circuit is from a Popular Electronics from 1993. The magazine is no longer printed, but the...
We found this circuit in an old documentation, but it can be easily assembled, as it is based on...