1.4 version 1W-15W ATU-10 ATU10 QRP by N7DDC The Tyny QRP Automatic Antenna Tuner For Radio with Battery

ATU 10 ATU10 QRP by N7DDC Automatic Antenna Tuner 1 4 VersionNow it is 1 4 Version New in FW version 1 41 The button glitches solved2 More stability in bus transfer to OLED3 No continious data transferring to the display Input power Minimum 1W Maximum 15WThe control button has only 3 functions 1 a short press resets the tuner and sets all relays to their initial state in which all reactive elements are disabled and do not affect the signal flow through the tuner 2 a long press causes the tuner to enter the tuning mode 3 a very long press for more than 5 seconds causes the firmware version to be displayed on the display The tuner has 3 power consumption modes 1 the operating mode when the display indicates the parameters lasts 5 minutes 2 after which the tuner falls asleep and the display turns off You can wake him up with a short press on the button 3 After 30 minutes of sleep the tuner turns off completely and you can turn it on by holding the button for a long time more than 3 seconds The current consumption in the operating mode is 12 mA in the sleep mode 170 μA in the off state 37 μA Parameter Power supply working voltage 5V DC type C Maximum operating current 12 mAMaximum operating power 10 wattsMaximum measurable power 15 wattsMinimum tuning power 1 wattsMinimum measurable power 0 1 wattsPower measurement step 0 1 WattPower measurement accuracy 10 Maximum tuning inductance 18 37 µHMinimum tuning inductance 0 1 μHMaximum tuning capacita