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Synthesis of a tunable ring filter: Proof‐of‐concept with fixed implementations at D‐band

Abstract : The working frequencies of telecommunication systems is rapidly increasing and sub-THz applications will soon be required. In that context, the current article presents the synthesis of a tunable ring filter. The considered filter introduces a new degree of freedom that allows to meet targeted specifications in terms of central frequency and bandwidth. Thanks to a capacitor displacement, the equivalent characteristic impedance can be tuned independently of its equivalent electrical length. The existing filter synthesis is modified to take this concept into account and thus provide a synthesis tunable in central frequency and bandwidth. The proof-of-concept of the design procedure is achieved in SiGe BiCMOS 0.25µm technology with the implementation and measurement of 8 non-tunable circuits in the D-band.
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Contributor : Anne-Laure Franc Connect in order to contact the contributor
Submitted on : Thursday, July 8, 2021 - 9:57:58 AM
Last modification on : Tuesday, October 19, 2021 - 11:17:58 PM
Long-term archiving on: : Saturday, October 9, 2021 - 6:18:06 PM


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Pedro Rynkiewicz, Anne-Laure Franc, Fabio Coccetti, Matthias Wietstruck, Mehmet Kaynak, et al.. Synthesis of a tunable ring filter: Proof‐of‐concept with fixed implementations at D‐band. International Journal of RF and Microwave Computer-Aided Engineering, Wiley, 2021, 31 (9), pp.e22761. ⟨10.1002/mmce.22761⟩. ⟨hal-03281247⟩



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