Automatic Antenna Tuner 7x7 (ATU-100 mini by N7DDC)
Automatic Antenna Tuner 7x7 (ATU-100 mini by N7DDC)
Automatic Antenna Tuner 7x7 (ATU-100 mini by N7DDC)
Soldered board of ATU (Automatic Antenna Tuner) developed by N7DDC. (firm. 3.0)
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
100 Watts tuner, 7x7 (7 capacitors x 7 coils) based on PIC 16F1938.
