We’ve been using Cisco’s Spectrum Expert product since its origins at Cognio, and have found it to be a very useful tool at a very reasonable price (around $4,000). For this test we evaluated the ...

The Compact Spectrum Analyzer (CSA) from MPB srl of Italy is a real-time FFT handheld spectrum analyzer. It features a 7-inch color touchscreen and coverage of spectrum from 10 Hz to 4 GHz. It ...

The Society of Broadcast Engineers commended the FCC for its inquiry into spectrum usage but says the undertaking will be daunting. In fact, the SBE goes so far as to recommend the commission consult ...

Designers of high-frequency RF equipment and systems are finding that performance is everything when it comes to spectrum analysis. They need to be able to see small signals in the presence of large ...

A handheld sensor and innovative technique developed by Texas A&M AgriLife Research scientists could one day offer a noninvasive alternative to food diaries and blood tests when monitoring diet and ...

This webinar explores how simultaneous capture and analysis, gapless RF signal recording, and advanced software like SignalVu-PC empower engineers to demystify even the most elusive signals. Learn to ...

This article explains the "Raman Concatenation", a measurement approach that can overcome several trade-offs. In general, fluorescence impacts many Raman measurements, necessitating the adoption of ...

Modulation is the act of translating some low-frequency or baseband signal (voice, music, and data) to a higher frequency. Why do we modulate signals? There are at least two reasons: to allow the ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...