We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on the now uncommon CMOS 4046. The frequency range is given by C1.
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...