Impedance mismatches in a radio-frequency (RF) electrical transmission line cause power loss and reflected energy. Voltage standing wave ratio (VSWR) is a way to measure transmission line ...

Antennas are a popular topic among radio enthusiasts. The Rigol Spectrum Analyzer VB1020 option and utility kit are good tools to help improve antenna design and characterization. This combination ...

Co-sponsored by Analog Devices and Richardson RFPD. This webcast will provide a step-by-step approach to designing RF power and return loss measurement systems. The webcast will focus on a number of ...

Once again the ubiquitous USB TV tuner dongle has proved itself more than capable of doing far more than just receiving broadcast TV. Over on the RTL-SDR blog, there’s a tutorial covering the ...

Figure 1. Spectrum analyzer display of adjacent TV channels, DTV channel 19 (center) and NTSC channel 20 (right). Note NTSC signal’s visual, chroma and aural carrier components. Image courtesy the ...

With today�s technology, RF switching and signal control are moving out of the realm of mystery and black magic and into the arena of open standards solutions. The wireless communications industry ...