DIY Kits 1.8-50MHz ATU-100mini Automatic Antenna Tuner by N7DDC 7x7 for SDR DIY

DIY Kits 1.8-50MHz ATU-100mini Automatic Antenna Tuner by N7DDC 7x7 for SDR DIY

NOTE :
- DIY kit, which requires welding ability;
- Need to burn-firmware before use
- if you need circuit schematic and firmware, please contact us. 
- KIT of ATU (Automatic Antenna Tuner) developed by N7DDC
- All information about project you can find on GitHub (N7DDC).
 
Specification:
- Power supply range: 10-15 VDC (whithin frequency 1.8-50 MHz)
- Max current : 300mA
- Max working power: 100 watts
- Max measured power: 150 watts
- Minimum power for tuning start: 1 watt
- Recommended maximum power while tuning less than 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.
- Dimentsion - 120 mm x 62 mm.
 
KIT included:
- PCB for ATU-100 7x7 HF autotuner
+ set of toroids:
- T68-2 (6pcs);
- BN43-202 (1pcs).
 
Package included:
- PIC16F1938 (1pcs) soldered on PCB with default firmware v3.0
- 100R 2512 1% (4pcs).
- relay HK4100F-DC12V (15pcs)