Hopefully by now most of us know better than to rent a modem from an internet service provider. Buying your own and using it is almost always an easy way to save some money, but even then these pieces ...

Let’s say a corporate engineer or a consultant is coming to your station to diagnose and repair a problem using an RF spectrum analyzer. This would be a great time to schedule a meeting with your ...

The RTL-SDR dongles get most of the love from people interested in software-defined radio, but the Pluto is also a great option, too. [FromConceptToCircuit] shares code to turn one of these radios ...

The AQ6373 Optical Spectrum Analyzer measures wavelengths ranging from 350 nm to 1,200 nm. With free space optical inputs, it handles light from large core, multimode, and single-mode fibers without ...

The Rigol DSA815 spectrum analyzer The idea of “seeing” RF has always intrigued me, but short of some futuristic goggles, an RF spectrum analyzer is about as close as one can get. And for those of us ...

Wireless-communication technologies are evolving from 2G, 2.5G, and 3G to 3.9G technologies. Consumer demand for seamless access to data and personal content—that is, voice, music, and video—is ...

As one of the most important instruments for electrical test in a lab or in the field, signal and spectrum analyzers serve multiple purposes across a range of applications, from communications, to ...

Field professionals often encounter testing environments where rapid diagnostics are important. Portable spectrum analyzers allow for on-site testing and have made the process much easier. They enable ...

Back in the 1960s, when I started working in radio broadcast engineering, an oscilloscope was my “eye” on what was happening with equipment. That tool served me well and is still in daily use in my ...

Using a spectrum analyzer to measure noise signals requires several additional factors, such as sensitivity or how well the instrument can measure small signals. The analyzer’s noise floor specifies ...