نتایج جستجو برای: power dividers
تعداد نتایج: 487265 فیلتر نتایج به سال:
This paper proposes an idea to modify the conventional Wilkinson power dividers to have physically spaced output ports. The well-known internal resistor of Wilkinson power divider is now connected to output ports by two additional transmission lines to create a triangular shape power divider. Several modified power dividers are designed at frequency of 1.0 GHz and one of them is fabricated and ...
We propose the concept of nonreciprocal filtering power dividers, which are compact devices able to merge functionalities dividers and combiners, selectivity bandpass filters, magnetless nonreciprocity from time-modulation. A prototype this type operating at microwaves has been implemented in microstrip technology. The device is composed a Wilkinson divider integrated with two identical filters...
This paper presents a review on recent trends and challenges in the development of power dividing components. Over these years, power dividers have been changing their structures and technology in order to be compatible with the newer changes adopted in designing of communication systems. From being operated as a single-frequency component to being flexible with dual-frequency bands, Wilkinson ...
In this paper, we present two-way and four-way power dividers that operate in wideband over K-band. To maximize the integrability with other circuit blocks, the power dividers are designed in a purely digital CMOS technology without any RF back-end-of-line process. We discuss a design issue arising from the high loss of transmission lines in the digital process. A capacitor-loaded Wilkinson top...
The two-dimensional (2D) or three-dimensional (3D) multiway power dividers based on transformation optical theory are proposed in this paper. It comprises of several nonisotropic mediums and one isotropic medium without any lumped and distributed elements. By using finite embedded coordinate transformations, the incident beam can be split and bent arbitrarily in order to achieve effective power...
Frequency dividers are key components for frequency synthesis in wireless and wireline communication systems. Among different types of frequency dividers, LC-based injection-locked frequency dividers (ILFDs) feature highfrequency operation at low power consumption, but their locking range is quite narrow due to the high-Q nature of the resonator. Recently, design techniques to enhance the locki...
Scaling up quantum technologies entails the challenge of developing large-scale and high-performance photonic networks. Engineering novel optical components, with a compact footprint advanced functionalities, might help addressing this by reducing size complexity Here, interference phenomena in Wilkinson power dividers (WPDs), popular element microwave networks, is investigated. It theoreticall...
This letter presents miniaturized Gysel power dividers using lumped-element components. The characteristic impedances of all the equivalent transmission lines in these dividers are fixed to the same values based on even and odd mode analysis, thus simplifying the design procedure and miniaturizing the Gysel power dividers. The ideal divider designed at a frequency of 590MHz exhibits power split...
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