Fig 1. Automatic antenna tuning with a variable impedance matching network can overcome many of the problems associated with detuning and wide frequency ranges. Feedback from the antenna via ...

This antenna tuning unit (ATU) enables half-wavelength or longer wire antennas to be matched to the 50-ohm antenna input of 27-MHz Citizens’ Band (CB) rigs. The ATU is useful in those cases where a ...

Today's mobile phones need to not only support cellular frequencies, but also non-cellular features such as those used for mobile TV, Bluetooth, WLAN, and location-based services. As the real estate ...

A family of antennas from Antenova has been engineered to operate without de-tuning on metal surfaces or where the product housing is mainly metal. According to the company, these situations normally ...