This circuit can generate signals in the VHF range and can be used as the basis for small transmitters. The frequency depends on the coil, which can have 2 to 8 turns for the range of 50 to 200 MHz.
This circuit is from old American documentation, using a regulator integrated circuit that is...
The purpose of this circuit is to pass an audio signal from one channel to another in a...
This circuit consists of an adapter that allows the reading of low currents at various scales. A...