Technical Article

Designing a Narrowband 28 GHz Bandpass Filter for 5G Applications

This article examines the factors driving the physical, electrical, and cost constraints for 5G filters. To address these challenges, a narrowband filter design methodology using classic filter network theory, parameterized electromagnetic (EM) simulation and port-tuning techniques is presented. The approach is demonstrated using the AWR Design Environment platform to develop a narrowband 28 GHz bandpass cavity filter targeting mmWave backhaul applications.

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