TY - GEN
T1 - Spatiotemporal Modulated Three-Pole Non-Reciprocal Quasi-Elliptic Bandpass Filter
AU - Chatzichristodoulou, David
AU - Arain, Salman
AU - Pavlou, Charalambos
AU - Vassiliou, Loukia
AU - Psychogiou, Dimitra
AU - Nikolaou, Symeon
AU - Vryonides, Photos
N1 - Publisher Copyright:
© 2022 European Microwave Association.
PY - 2021
Y1 - 2021
N2 - 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.
AB - 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.
KW - bandpass filter (BPF)
KW - magnet-free
KW - non-reciprocal
UR - https://www.scopus.com/pages/publications/85133026805
U2 - 10.23919/EuMC50147.2022.9784235
DO - 10.23919/EuMC50147.2022.9784235
M3 - Conference proceeding
AN - SCOPUS:85133026805
T3 - 2021 51st European Microwave Conference, EuMC 2021
SP - 289
EP - 292
BT - 2021 51st European Microwave Conference, EuMC 2021
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 51st European Microwave Conference, EuMC 2021
Y2 - 4 April 2022 through 6 April 2022
ER -