The last decade has witnessed an increasing number of wireless standards for civil, military,
and space communications. Along with the advances in integrated circuit (IC) technologies …

This brief presents a novel design of a dual-band equal split Wilkinson power divider. It is
based around a single coupled line section as core and uses stub-based port matching …

In this article, an ultraminiaturized bandpass-filtering matching network based on GaAs
substrate integrated passive device (IPD) technology is proposed, which is suitable for …

In this brief, a dual-band complex impedance transformer is proposed and applied to design
a concurrent high-efficiency power amplifier (PA) with a widely spaced frequency. The …

In this article, a novel dual-band impedance matching network capable of providing
impedance matching between frequency-dependent complex impedances at two …

This letter presents a dual-band impedance transformer with three shunt stubs. The
considered load has frequency-dependent complex impedance at two uncorrelated …

This brief describes the novel fully 3D-printed dual-band RF energy harvester suitable for
wireless sensor network green IoT applications. The proposed energy harvesting system is …

This brief introduces a novel concept of a virtual impedance for tri-band impedance
matching. The proposed mathematical concept, when applied in practical realization …

In this article, a direct solving method for power amplifier (PA) matching network design is
explored from a theoretical perspective. Commonly, the input impedance function of a …

In this brief, first an interesting dual-frequency feature of a section commensurate
transmission line (TL) is reported. The property concerns the impedance (or admittance) …