This Star Trek red alert circuit was found in the July 1990 issue of Radio Electronics magazine. The power transistor must be equipped with a heat sink.
Standing wave ratio or SWR is an important measure of whether all power from a transmitter is being...
Here we show how to add a reset key to the monostable using two NAND gates (CB127E). When the key...
This short-range circuit can act as a wireless microphone. We got the schematic and the printed...