Synthesis of Inline Mixed Coupled Quasi-Elliptic Bandpass Filters Based on Resonators

S Zhang, L Zhu, R Weerasekera - IEEE Transactions on …, 2015‏ - ieeexplore.ieee.org
This paper proposes a general synthesis method for inline mixed coupled quasi-elliptic
bandpass filters based on λ/4 resonators. Different from the conventional modeling with …

Realization of even transmission zeros for filter without cross-couplings

T Zhang, Z Long, L Zhou, M Qiao… - IEEE Transactions on …, 2018‏ - ieeexplore.ieee.org
A new method is proposed to produce even finite transmission zeros without any cross-
coupling between the resonators of filter, by loading the second-order extracted-pole unit …

An alternate circuit for narrow-bandpass elliptic microstrip filter design

S Chen, LF Shi, GX Liu, JH Xun - IEEE Microwave and Wireless …, 2017‏ - ieeexplore.ieee.org
This letter demonstrates the dual transmission zeros (TZs) of bandpass elliptic prototype
filters that can be directly implemented with two resonators in microstrip. An experimental …

Design of parallel-coupled dual-mode resonator bandpass filters

CJ Chen - IEEE Transactions on Components, Packaging and …, 2016‏ - ieeexplore.ieee.org
A circuit model for dual-mode resonators is proposed to develop a design procedure that
facilitates the design of parallel-coupled dual-mode resonator filters. Based on the design …

Compact second-order highly linear varactor-tuned dual-mode filters with constant bandwidth

L Athukorala, D Budimir - IEEE Transactions on Microwave …, 2011‏ - ieeexplore.ieee.org
This paper presents a compact highly linear tunable second-order quasi-elliptic filter with
constant 3-dB bandwidth. The proposed filter is thoroughly analyzed to clearly describe the …

Synthesis approach to planar filter design using new cascade hybrid triplet block with arbitrary-placed TZ pair

D Lu, B Zhu, M Yu - IEEE Transactions on Microwave Theory …, 2022‏ - ieeexplore.ieee.org
A new low-pass prototype, ie, cascade hybrid triplet (CHT), is proposed in this article. This
triplet, as a synthesis building block, offers two arbitrary-placed transmission zeros (TZs) to …

Compact filter configurations using concentric microstrip open-loop resonators

L Athukorala, D Budimir - IEEE microwave and wireless …, 2012‏ - ieeexplore.ieee.org
This paper presents two highly compact filter configurations using concentric open-loop
resonators. A description of each filter configuration is presented, where a linkage between …

Design of different selectivity dual-mode filters with E-shaped resonator

CL Wei, BF Jia, ZJ Zhu, MC Tang - Progress In Electromagnetics Research, 2011‏ - jpier.org
A novel bandpass filter design method of achieving different selectivity based on E-shaped
dual-mode resonator is presented. The characteristic of the E-shaped dual-mode resonator …

Miniature microstrip bandpass filters based on quadruple-mode resonators with less via

S Tantiviwat, MS Razalli… - 2017 IEEE MTT-S …, 2017‏ - ieeexplore.ieee.org
This article aims to design of microstrip resonators in order to reduce size of microstrip
bandpass filters in wireless communication systems. Characterized by both theoritical …

[PDF][PDF] High-Isolation Compact MIMO Antenna with Distributed Metamaterial Loading.

Z Song, S Zhao, S Li, J Chen, Y Xue - Progress in Electromagnetics …, 2024‏ - jpier.org
This paper details the design and realization of a high-isolation multiple-input-multiple-
output (MIMO) antenna tailored for fifth-generation (5G) wireless applications. The antenna …