Measuring antenna gain patterns is a critical part of evaluating the performance characteristics of an antenna under test. A software-defined radio (SDR) is an economical and flexible radio system ...

The properties of an amplifier can be tested along the lines of the following sketch. Typically, this technique would be applied to an RF or microwave amplifier, but this technique's additional ...

This article discusses the GALANT adaptively steered antenna array and receiver and demonstrates the test scenarios generated with the GNSS simulator. Exemplary results of different static and dynamic ...

Last year, I provided a quick overview of ATSC USB tuners. This month, I'll provide a detailed comparison of three--DViCO's FusionHDTV5 USB Gold, the AutumnWave OnAirGT tuner and the Pinnacle HD Stick ...

Apple has added a new section to its website, informing consumers about the external antenna featured on the iPhone 4 and how users may experience signal loss. It also revealed its internal antenna ...

In RF testing, an essential attribute of every RF signal generator is the maximum output power it can supply to a device under test (DUT) while maintaining spectral purity and level accuracy. The ...

Scpencer Webb, CEO of antenna design firm AntennaSys, told Gizmodo that he thinks that Apple may have come up with a unique algorithm for distributing antenna signals for the iPhone 4S. With this, ...