A balanced microstrip quad-band bandpass filter (BPF) with independently controllable
frequencies, controllable fractional bandwidths (FBWs) and high selectivity is designed in …

Four‐stage stepped‐impedance resonator (FSSIR) is proposed and its resonant
characteristics are analyzed in detail. The formulas of the first four resonances are deduced …

A quad‐band bandpass filter (BPF) using a sept‐mode double square‐ring loaded
resonator (DSRLR) is presented in this article. Based on the symmetrical geometric …

This paper presents a miniaturized quadband high‐temperature superconducting (HTS)
bandpass filter based on a multistub‐loaded resonator. Owing to the symmetrical structure of …

ABSTRACT A quad-band microstrip bandpass filter (BPF) based on a 13-mode resonator is
proposed in this article with compact size, high band‐to‐band isolation, and multiple …

基于梳状型枝节加载谐振器(SLR), 设计了一款新型的通带可控, 插损较低,
带内外性能较好的四通带滤波器. 改变内部耦合间隙及外部微带耦合线长度可以调节通带带宽 …

为了提高频率综合器的性能, 基于源极耦合逻辑(Source Coupled Logic) 电路设计了一种集成4/
5 分和8/9 分的异步预分频器. 通过分析SCL 电路结构的工作原理和触发器的不同电路结构 …

This paper presents a compact quad-band bandpass filter. The filter is realized by multi-
embedded stub-load resonators. By utilizing multi-embedded structure, the whole filter …

This study presents a quad-band bandpass filter with high selectivity, compact size, and
highly independent bands using a folded C-shape resonator, short stub-SIR resonator, and …

In this paper, a novel type of compact quint-band bandpass filter is proposed, which is
modeled and simulated by using Ansys HFSS software. The simulation result shows that the …