Microwave ferrites, part 2: passive components and electrical tuning
Low-loss ferrimagnets are the basis for passive microwave components operating in a wide
range of frequencies. The magnetic resonances of passive components can be tuned using …
range of frequencies. The magnetic resonances of passive components can be tuned using …
Size reduction of a low-profile spiral antenna using inductive and dielectric loading
BA Kramer, CC Chen, JL Volakis - IEEE Antennas and …, 2008 - ieeexplore.ieee.org
This letter discusses a miniature low profile ultrawideband (UWB) spiral. The antenna is
miniaturized using a combination of dielectric and inductive loading. In addition, a ferrite …
miniaturized using a combination of dielectric and inductive loading. In addition, a ferrite …
Broadband capacitively coupled stacked patch antenna for GNSS applications
D Li, P Guo, Q Dai, Y Fu - IEEE Antennas and wireless …, 2012 - ieeexplore.ieee.org
A broadband stacked circular patch antenna is presented in this letter. The broadband
characteristic is achieved by employing capacitively coupled feed structure. The antenna is …
characteristic is achieved by employing capacitively coupled feed structure. The antenna is …
Mössbauer spectroscopy of MgxCu0. 5− xZn0. 5Fe2O4 (x= 0.0, 0.2 and 0.5) ferrites system irradiated by γ-rays
The effect of the Mg-content on the cation distribution of cubic Mg x Cu 0.5− x Zn 0.5 Fe 2 O
4 (x= 0.0, 0.2, 0.3, 0.5) prepared by conventional ceramic method was investigated using …
4 (x= 0.0, 0.2, 0.3, 0.5) prepared by conventional ceramic method was investigated using …
The broadband spiral antenna design based on hybrid backed-cavity
C Liu, Y Lu, C Du, J Cui, X Shen - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
Here, a hybrid backed-cavity with electromagnetic band-gap (EBG) structure and a perfect
electronic conductor (PEC) is proposed for an Archimedean spiral antenna. This cavity …
electronic conductor (PEC) is proposed for an Archimedean spiral antenna. This cavity …
A novel four-arm planar spiral antenna for GNSS application
L Guo, P Zhang, F Zeng, Z Zhang, C Zhang - IEEE Access, 2021 - ieeexplore.ieee.org
This letter introduces a novel four-arm planar spiral antenna which provides a perfect
circular polarization radiation for Global Navigation Satellite System applications. The …
circular polarization radiation for Global Navigation Satellite System applications. The …
Wideband ferrite-loaded bow-tie antenna of extremely low-profile
A large ground plane can severely degrade an antenna's performance if its polarization is
parallel to the ground and its profile is only a very small fraction of the operating wavelength …
parallel to the ground and its profile is only a very small fraction of the operating wavelength …
Impedance matched ferrite layers as ground plane treatments to improve antenna wide-band performance
In low-profile applications, ground plane backing significantly degrades antenna
performance when the electrical height is a small fraction of a wavelength. An approach to …
performance when the electrical height is a small fraction of a wavelength. An approach to …
Performance enhancement of shorted polygonal archimedean spiral antenna using hybrid reflector
R Udaiyakumar, R Maheswar, T Janani… - … -International Journal of …, 2019 - Elsevier
In this paper, performance enhancement in a shorted polygonal archimedean spiral antenna
has been proposed by backing it with a hybrid reflector. In the proposed work, two arms of …
has been proposed by backing it with a hybrid reflector. In the proposed work, two arms of …
UWB magneto-dielectric ground plane for low-profile antenna applications
In low-profile applications, the antenna is often positioned very closely to an electrically
conducting surface, or ground plane. Such a ground-plane backing significantly degrades …
conducting surface, or ground plane. Such a ground-plane backing significantly degrades …