Vector Network Analyzer miniVNA by RA4NAL (1-30 MHz)
Source: http://ra4nal.qrz.ru/vna.shtml
USB Driver and software for AD9850
In File "IG_miniVNA.ini" need change this (for AD9850)
Coeficient DDS=34354689000
Construction by RA0SMS:
Arduino NANO + DDS AD9850 + BOX 100*75*35mm
High quality PCB
Example of work
Ant: Beverage 220m
Ant: Spiderbeam 14-21-28 MHz
Ant: Dipoles 3.5-7 MHz
