Abstract
This paper reports on the design, manufacturing and testing of intrinsically-switchable ferroelectric barium strontium titanate (Ba(x)Sr(1-x) TiO3, BST) acoustic-wave-lumped-element (AWLR)-based RF filters. For the first time, we demonstrate RF filters with unique reconfigurable transfer function characteristics (all-pass-to-bandstop response and bandpass-to-all-reject response), enhanced fractional bandwidth (FBW), i.e.> kt2 and operational frequencies as high as 2 GHz. The reconfigurable filter prototypes are directly integrated onto the Si wafer after BST thin film growth and are able to reconfigure their filtering response through application of a DC bias voltage.
| Original language | English |
|---|---|
| Title of host publication | 2021 51st European Microwave Conference, EuMC 2021 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 301-304 |
| Number of pages | 4 |
| ISBN (Electronic) | 9782874870637 |
| DOIs | |
| Publication status | Published - 2021 |
| Event | 51st European Microwave Conference, EuMC 2021 - London, United Kingdom Duration: 4 Apr 2022 → 6 Apr 2022 |
Publication series
| Name | 2021 51st European Microwave Conference, EuMC 2021 |
|---|
Conference
| Conference | 51st European Microwave Conference, EuMC 2021 |
|---|---|
| Country/Territory | United Kingdom |
| City | London |
| Period | 4/04/22 → 6/04/22 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Keywords
- acoustic wave resonator
- all-pass network
- bandstop filter
- Barium strontium titanate (BST)
- bulk acoustic wave (BAW) filters
- FBAR
- ferroelectrics
- reconfigurable systems
- switchable
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