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.
We found this circuit with unijunction transistor in an old publication from the 80's. The circuit...
This simple emitter can be used in animal conditioning, to scare animals and even in biology...
Found in an older Radio Craft, this circuit covers the aerial band from 118 to 136 MHz. No...