I suppose most of us have had the experience of going to the mailbox and seeing that telltale package in the white plastic bag, the sign that something has just arrived from China. This happened to me ...

The NanoVNA made network analyzers cheap enough for almost everyone. Now you can get a $49 spectrum analyzer to go with it. Is it worth it? Watch [IMSAI Guy]’s video after the break for his opinion.

tinySA is very tiny handheld Spectrum Analyzer (SA). It is standalone with lcd display, portable device with battery. This project aim to provide an useful instrument for the RF enthusiast. This ...

This palm-sized, battery-operated instrument can help you diagnose EMC problems. While RF spectrum analyzers have dropped in price to affordable levels, here’s a $260 portable unit with 6 GHz ...

Long time readers know I like to test compact and, where possible, low-cost equipment. Recently I found another tool to add to my backpack when I get back on the road. Seven years ago, wanting a ...

The tinySA is a compact, low-cost handheld spectrum analyzer and RF signal generator designed for hobbyists, radio amateurs, educators, and engineers. It comes in three different variants and can be ...

Abstract: Radio-frequency (RF) electrical arcing detection by using a low-cost mini spectrum analyzer called TinySA is proposed. The electromagnetic (EM) frequency spectrum emitted by a local ...