This 5.1 MHz circuit was found in a 1980s documentation. The frequency is given by the crystal and general purpose transistors can be used.
This transmitter outputs signals to the analog TV range operating with composite video signals for analog...
This circuit, with output currents up to 500 mA, can stabilize or regulate the output voltage of a...
The critical point in this project is the adjustment of the optical system, mainly to avoid...