KIT of ATU (Automatic Antenna Tuner) developed by N7DDC
All information about project you can find on GitHub (N7DDC).
Power supply range: 10 - 15 VDC
Max current : 450mA
Max working power: 100 watts
Max measured power: 150 watts
Minimum power for tuning start: 1 watt
Recommended maximum power while tuning not above 30 watts. (after tuning you can set 100 watts and work on this power)
Minimum measured power: 0.1 watt
Step for measurement on powers under 10 watts: 0.1 watt
Step for measurement on powers above 10 watts : 1 watt
Power measurement accuracy : 10%
Maximum inductance set: 8.5 uH
Minimal step for setting inductance: 0.1 uH
Maximum installed capacity: 1870 pF
Minimal step for setting capacity: 10 pF
100W tuner, 7x7 (7 capacitors x 7 coils) based on PIC 16F1938.
Size:120 mm x 62 mm