A reconfigurable dual-mode Filter in Embedded Suspended Stripline Substrate Technology (ESSS)

Ahmad Bader Alothman Alterkawi, Sebastian Sattler, Reinhard Teschl, Wolfgang Bösch

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review


A new configuration of embedded suspended stripline in PCB is proposed where a direct copper-to-copper connection joins the metalized cavity walls with the ground layer. The proposed stack-up has the advantage of an increased shielding compared to stack-ups based on via walls. A dual-mode filter demonstrator is designed and realized with discrete frequency tunability. The designed filter frequency is set around 30.5 GHz where the insertion loss (IL) is 1.06 dB and the Fractional Bandwidth (FBW) is 10.3%. The resonant frequency can be tuned to 29.60 GHz using a hardwired switch for a proof of concept. The realized prototype measurements show a good agreement between simulated and measured filters response.
Original languageEnglish
Title of host publication2021 IEEE MTT-S International Microwave Filter Workshop (IMFW)
Publication statusPublished - 2021

Fields of Expertise

  • Information, Communication & Computing

Cite this