@inbook{5cafbaa9239e451b84492d60387980ed,
title = "Spatiotemporal Modulated Three-Pole Non-Reciprocal Quasi-Elliptic Bandpass Filter",
abstract = "This paper presents the design and implementation of a magnet-free non-reciprocal quasi-elliptic RF bandpass filter (BPF) by time modulating coupled-line resonators. By modulating the resonant frequencies of the filter's resonators with phase shifted AC signals, the forward and backward waves can be controlled. In this manner, RF propagation is enabled in one direction (from port 1 to port 2), having the backward wave sufficiently attenuated. As a proof-of-concept, a distributed third-order microstrip BPF prototype centered at 1.08 GHz was designed, fabricated and tested. Measurements indicate a minimum passband insertion loss (S21) of 3.6 dB and a maximum isolation (S12) of 36.2 dB.",
keywords = "bandpass filter (BPF), magnet-free, non-reciprocal",
author = "David Chatzichristodoulou and Salman Arain and Charalambos Pavlou and Loukia Vassiliou and Dimitra Psychogiou and Symeon Nikolaou and Photos Vryonides",
note = "Publisher Copyright: {\textcopyright} 2022 European Microwave Association.; 51st European Microwave Conference, EuMC 2021 ; Conference date: 04-04-2022 Through 06-04-2022",
year = "2021",
doi = "10.23919/EuMC50147.2022.9784235",
language = "English",
series = "2021 51st European Microwave Conference, EuMC 2021",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "289--292",
booktitle = "2021 51st European Microwave Conference, EuMC 2021",
address = "United States",
}