In this charger the current is limited by the incandescent lamp. Lamps from 40 to 100 W can be used and even connected in parallel, depending on the load.
We found this circuit in the Radio Electronics magazine of May 1977. The circuit has the frequency...
This circuit is an improvement over the previous one, using the same capacitor system as a sensor....
This transmitter outputs signals to the analog TV range operating with composite video signals for analog...