A novel quintuple-mode filter in one cavity is proposed by modifying a quarter-mode
substrate-integrated waveguide (SIW) cavity. Modes can be independently controlled by …

Since the discovery of high temperature superconducting (HTS) materials in 1987, the
performance of microwave filters such as insertion loss, selectivity, and out-band rejection …

This article encompasses the design of compact ultra-wideband (UWB) bandpass filter with
low insertion loss and high selectivity using circular open-circuited stubs (COSs). Low …

A compact and high-rejection ultra-wideband (UWB) microstrip band-pass filter is proposed
by using the multi-mode resonator (MMR) technique. The proposed MMR structure is …

This article presents a novel high-temperature superconducting ultra-wideband filter with a
108% fractional bandwidth. A high-order ladder topology circuit is utilized in the proposed …

In this paper, a compact, symmetric, simple, and highly selective Ultra Broad Band (UBB)
Band Pass Filter (BPF) is constructed on a low-loss Taconic dielectric substrate. The top …

This paper presents improved quad-mode resonators based on the open/short-end load of
the center stub, which introduces the self-coupled structure. Compared with the traditional …

Rapid development of a number of wireless communication systems imposed an urgent
requirement for a technology which contains multi-wireless communication standard. Since …

The performance requirements for filters in the microwave frequency band are particularly
stringent, particularly in terms of high bandwidth and out-of-band rejection. However …

This article presents the design of a microstrip ultra‐wideband (UWB) bandpass filter that
exhibits desirable characteristics of low‐loss, high selectivity, wide stopband and high out‐of …