We found this circuit in documentation from National Semiconductor. For the medium wave range the coil consists of 50 + 50 turns of wire 28 in a ferrite rod.
The frequency of the blinking of this circuit is given by the capacitor that can have its value...
This low-current power supply was obtained in Japanese documentation from 1968. The currents are...
This simple audio booster came out in a Popular Electronics in the 90s. It serves as a booster for very...