A review on microwave band pass filters: Materials and design optimization techniques for wireless communication systems

N Krishna, KG Padmasine - Materials Science in Semiconductor …, 2023 - Elsevier
Microwave band pass filters play an important function in radio frequency for suppressing
out-of-band emissions that are necessary in today's wireless communication. The study …

High-order dual-port quasi-absorptive microstrip coupled-line bandpass filters

X Wu, Y Li, X Liu - IEEE Transactions on Microwave Theory and …, 2019 - ieeexplore.ieee.org
In this article, we present the first demonstration of distributed and symmetrical all-band
quasi-absorptive filters that can be designed to arbitrarily high orders. The proposed quasi …

Compact absorptive filtering patch antenna

YT Liu, KW Leung, N Yang - IEEE Transactions on Antennas …, 2019 - ieeexplore.ieee.org
This article presents a compact absorptive filtering patch antenna. It consists of a filtering
patch antenna and a bandstop filter (BSF), with their transfer functions being complementary …

Single/multi-band coupled-multi-line filtering section and its application to RF diplexers, bandpass/bandstop filters, and filtering couplers

R Gómez-García, L Yang… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
A type of compact single/multi-band coupled-multiline filtering section and its application to
the design of RF filtering devices are presented. This one-port filtering cell is made up of N+ …

Balanced symmetrical quasi-reflectionless single-and dual-band bandpass planar filters

R Gómez-García, JM Muñoz-Ferreras… - IEEE Microwave and …, 2018 - ieeexplore.ieee.org
Microwave planar balanced single-/dual-band bandpass filters (BPFs) with symmetrical
quasi-reflectionless differential-mode behavior are presented in this letter. They are made …

Avoiding RF isolators: Reflectionless microwave bandpass filtering components for advanced RF front ends

R Gómez-García, D Psychogiou… - IEEE Microwave …, 2020 - ieeexplore.ieee.org
RF/microwave bandpass filters (BPFs) are fundamental components in high-frequency RF
transceivers. On the transmitter side, they limit the transmitted RF signal bandwidth by …

High-order input-reflectionless bandpass/bandstop filters and multiplexers

R Gómez-García, JM Muñoz-Ferreras… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
A coupling-matrix approach for the theoretical design of a type of input-reflectionless
RF/microwave bandpass filters (BPFs) and bandstop filters (BSFs) is presented. They are …

Frequency-tunable constant-absolute-bandwidth single-/dual-passband filters and diplexers with all-port-reflectionless behavior

M Fan, K Song, L Yang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
An approach to design RF all-port-reflectionless quasi-elliptic-type single-/dual-band
bandpass filters (BPFs) and diplexers with frequency-adaptive constant-absolute-bandwidth …

Frequency-reconfigurable input-reflectionless bandpass filter and filtering power divider with constant absolute bandwidth

M Fan, K Song, L Yang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
An RF input-quasi-reflectionless bandpass filter (BPF) with reconfigurable center frequency
and constant absolute bandwidth (ABW) is presented. The proposed BPF is based on a …

Quasi-reflectionless microstrip bandpass filters using bandstop filter for out-of-band improvement

C Luo, SW Wong, JY Lin, Y Yang, Y Li… - … on Circuits and …, 2019 - ieeexplore.ieee.org
In this brief, a class of microstrip bandpass filters (BPFs) with quasi-reflectionless behavior
on both input and output ports is presented. A single-port reflectionless BPF is proposed by …