Helical Antenna Links GSM/UMTS (.PDF Download)

May 23, 2013

Antennas are vital to modern communications systems. But as the number of wireless services grows, the number of antennas across the landscape grows, encouraging the design of more compact antenna structures and multiple-antenna solutions. To meet these needs, the authors have developed a compact, dual-band circularly polarized antenna for cellular Global System for...

Register or Sign in below to download the full article in .PDF format, including high resolution graphics and schematics.

Sponsored Recommendations

Remote Testing with RF Power Sensors

Performing power measurements of RF devices and systems is an essential part of ensuring accurate, repeatable characterization. A variety of instruments are capable of measuring...

Ceramic Resonator Filters from Catalog to Custom

Mini-Circuits’ line of ceramic coaxial resonator filters features a variety of passbands and frequency ranges between 0.4 and 5.8 GHz. Characterized by high-Q and high K, these...

GaAs Switches Are a High-Performance Alternative to SOI for Test & Measurement Instrumentation

RF switches are ubiquitous in modern test instrumentation designs or for test & measurement applications such as those found in semiconductor test applications.

MMIC Amplifiers Achieve 2W to 10 GHz

Mini-Circuits’ new PMA5-series MMIC power amplifiers afford designers both high dynamic range and significant headroom for high PAPR signals up to 10 GHz. All models provide upwards...