Frequency Range Network analyzers measure an application’s fundamental frequencies, harmonics, or spurious signals on the high end, and baseband or intermediate frequency (IF) signals on the low end.

At least that’s the lemonade [Josh Johnson] made from his lemon of a low-cost vector network analyzer. For the uninitiated, a VNA is a versatile test instrument for RF work that allows you to ...

And with good reason; while not a full vector network analyzer (VNA) that will blow a multi-thousand dollar hole in your wallet, this instrument looks like an incredible addition to your test suite.