Resonant announces 5G RF filter breakthrough

October 09, 2018 // By Rich Pell
Radio-frequency (RF) filter technology developer Resonant Inc. (Goleta, CA) has announced what it says is a breakthrough 5G filter technology that will be introduced at the 2018 IEEE International Ultrasonics Symposium (IUS), to be held October 22-25, 2018, in Kobe, Japan.

The company, which focuses on RF front-end technology being designed and delivered for wireless devices, says its breakthrough - called XBAR - is a fundamentally novel resonator - the building block of an RF filter. Claimed as the first filter technology designed from the start for 5G, it is offered as a cost-effective filter operating at frequencies of 3 GHz and higher.

"The high bandwidth 5G data services will operate at frequencies of 3.5 to 6 GHz and higher," says George B. Holmes, CEO of Resonant, "but today's best filter technologies have limitations operating at these frequencies. The early results from our XBAR initiative are very promising and we are working hard to provide a cost-effective, high-performance option for 5G services."

Developed using the company's Infinite Synthesized Networks (ISN) technology - which is used to configure and connect resonators - the new structure, says the company, outperforms best-in-class thin-film bulk acoustic resonator (FBAR) devices in simulations. The company says that it has filed patent applications on the technology and that more details of the technology will be made available at IUS and in a press release to be issued on October 23.

Resonant

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