Testing a Medium Wave (MW) tuning LC ressonant filter circuit with nanoVNA, using a ferrite rod antenna (inductor) and a variable capacitor VC, tuning in the MW radio range. Turning the VC is possible to see the ressonant peak moving from 540 to 1670kHz. There is an active amplification done by a 2SC1923 transistor, on breadboard.
![](https://s2.save4k.ru/pic/aYR03bItQhY/maxresdefault.jpg)