08 Dec Callsign beeper CW kit interface for microwave path lineups
This is a callsign beeper CW interface for the CW jack on your radio ideally used for microwave path line ups. Just build, plug and play....
This is a callsign beeper CW interface for the CW jack on your radio ideally used for microwave path line ups. Just build, plug and play....
A simple latching coaxial relay switching circuit and PCB for amateur radio microwave use driven by +12v from a sequencer or transverter....
This circuit describes a Darlington pair that switches a nominal 12v VCC. The choice of the final switching or output transistor determines the current (Ic) that is supplied to the downstream device....