Low voltage flasher (CB9789E)

We found this circuit with PUT in an American publication from the 1980s. PUT is not a common component today. LEDs can be used as a load.

Audio Level Controller (CB25551E)
We found this circuit in the Radio Electronics magazine of February 1993. The main integrated...
Two relay and neon shield (CB8834E)
Found in old American documentation, this circuit that can be used as a shield, activates two...
Sensitive VHF Wavemeter (CB4119E)
This circuit is more sensitive than the previous one (CB4118E) for using a full wave detector. The...