Power Darlington Stage (CB22365E)

This circuit is an alternative to using Darlington power transistors in the previous amplifier. The power is a few watts.

Simple Alarm (CB25944E)
This simple alarm with latching uses a relay as the main element. The circuit is from a Radio...
Electroscope (CB23614E)
This circuit consists of an electroscope, that is, a rudimentary detector of electrical charges, the...
6 Meters band receiver (CB12908E)
This receiver is intended to receive signals from the 6-meter amateur band using only three...