My New Automatic Antenna Tuner

Johnson Francis | March 25, 2025 | Amateur Radio (Ham Radio) | No Comments

Received my new automatic antenna tuner just now and I am happy to share the unboxing video with you. It is of N7DDC design. Accuracy of power measurement is 10% error range. Maximum inductance is 8.54 microhenries and the maximum capacitance 1870 pF. Minimum inductance step is 0.05 microhenries and minimum capacitance step is 10 pF. Microcontroller is ATMega328. Display is OLED. Tuning impedance range is 10 to 300 ohms.