Millimeter wave signals provide wider bandwidths and higher data rates than signals at lower frequencies. Take a look at the overall signal chain that falls between the antenna and the digital baseband. 5G new radio (5G NR) adds mmWave frequencies to cellular devices and networks. With that comes RF-to-baseband signal chains and components not needed…

The auctioning of the C-band for 5G use has raised concerns in North America that signals could interfere with aircraft altimeter operations. 5GTW asked a filter engineer and a test expert if there’s a problem and how to fix it.

Qualcomm’s ultraBAW filters cover 2.7 GHz to 7.2 GHz, keeping cellular and Wi-Fi in place. Qualcomm explains how the filters work. Each time a government auctions off a slice of spectrum for cellular use, the airwaves get more crowded as users begin occupying the new frequencies. In the days when spectrum wasn’t so scarce, cellular…

Get a handle on the differences between working at the traditional sub-6 GHz frequencies and mmWave frequencies. The old design techniques won’t work in this new world.

A hybrid International Microwave Symposium (IMS) took place live in Atlanta and online two weeks later in June 2021. See a selection of companies and product — mostly 5G — showcased in the virtual version.

While the International Microwave Symposium will also hold a virtual conference, exhibitors insisted on a live event albeit with COVID-19 restrictions.

RF filters have always been an important part of mobile devices, but in the 5G era, they are the key to unlocking the promised high bandwidth that will drive many 5G use cases.

TDK Corporation has expanded its lineup of high-frequency multilayer products with the world’s first multilayer band-pass filter for the 28 GHz band in 5G mobile communication networks. The new high-frequency component is based on TDK’s LTCC (low-temperature co-fired ceramic) material and precise multilayer technology, which enable a low insertion loss of just 1 dB, a…

by Robert Hammond, Resonant CTO, and Mike Eddy, Resonant VP Product Marketing & Business Development 5G networks operate in new and higher frequency bands, requiring new underlying technology and performance standards for RF filters. The industry must develop new resonating structures in order to filter at these high frequencies, and large bandwidths, with enough power…