Standard 1 MHz Oscillator (CB9653E)

We found this circuit in an old American documentation. Transistors can be modern equivalents.

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...