Latest News & Updates Mini-Circuits announces more than 3000 VCO models covering the frequencies 3-7800 MHz in different case style from.25”x0.25” up to 0.5”x0.5”. For different application most of the designs are custom.  Via Yoni2 the search engine you can find very quickly the right solution to your requirement. All of the VCO’s have been 100% tested in mass production for more than 24 different tests.  for more, click here