N7DDC ATU-100

1. github Firmware
2. ATU-100 Extended board
3. Programming Updates

• firmware version is 3.2：
• SWR greater than 1.1 will automatically activate tuning,
• Auto tuning requires 1W or greater
• Fixed bug with continuous data transfer to the display.
• bility to disable all relays along with the timer display.
• Timeout for display reset increased to 2 seconds.
• Components - Samsung SMD capacitors, C-channel capacitors, Samsung 1000V high-voltage SMD capacitors ,
• 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
• Max power while tuning: 30 watts.
• 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

github Firmware

ATU-100 Extended board

Programming Updates