Revision 1: February 2010
Updated 115 V / 400 Hz supply June 2010
By Dominique F1FRV
This automatic antenna tuner is made for 2-30 MHz. Defined by COLLINS for 650 Watts (-55 to +55 °C @ 30 000 feet or ~9144 meters). It can be safely used up-to ~1.3 kW SSB in amateur service 1.8 - 30 MHz.
RF power requirement for tuning is ~ 20 to 40 Watts.
Power supply is 115 V / 400 Hz ~ 65 VA. If you dont have a 115V 400Hz supply, it is easy to make one. See in downloads.
Place the 3 manual parts in same directory, and run the .exe.
You can also download the files necessary to make the PCB:
Dominique - email@example.com OR