Results 31 to 40 of about 5,496,642 (229)

A compact ultra wideband bandpass filter using arrow coupled lines with defected ground structure

Journal of Electrical Systems and Information Technology, 2014
A new ultra wideband bandpass filter (UWB-BPF) using arrow coupled lines and U-slot defected ground structures (U-DGS) is proposed. The input and output feeding lines are connected to the coupled lines placed on the conductor side of the substrate while ...
Deena A. Salem, Ashraf. S. Mohra, A. Sebak   +2 more
doaj   +1 more source

Wideband Quarter Wave Transformer Based on Defected Ground and Split Ring Resonator Structures

, 2018
This article examines a wideband impedance transformer based on a split ring resonator and defected ground structures. The transformer was designed as a 4 section binomial one and it provides a transformation from 50 SI to 100 Omega.
Yahya Yuksek, Nesimoglu, Tayfun, Yuksek, Yahya, Tayfun Nesimoglu   +3 more
core   +1 more source

Configurable Defected Ground Structures for Low Profile Antenna Performance Enhancement

, 2020
Versatile configurable defected ground structures(CDGSs) for enhancing the performance of low profile antennas are introduced. It is shown that CDGS can significantly reduce mutual coupling (MC) between multiple antennas and suppress cross-polarization ...
Zixiang Han (8631217), Ross Murch (8581017), Yujie Zhang (8631211), Shanpu Shen (8631213), Chi Yuk Chiu (8631215)   +4 more
core   +1 more source

An Overview of Defected Ground Structure with Practical Application of Defected Ground Structure Bandpass Filter in Energy Harvester Circuit

Research Journal of Applied Sciences, Engineering and Technology, 2014
The aim of the study is to practically implement the Defected Ground Structure (DGS) based microstrip bandpass filter in an energy harvester circuit. DGS is widely used to bring about an enhancement in the characteristics of microwave circuits. The study of DGS is derived from the concept of Photonic/electromagnetic Band Gap (PBG) structures but it is ...
M.T. Khan, M.A. Zakariya, Z. Baharudin, R. Ibrahim, S.S.B. Hong, J.J. Adz   +5 more
openaire   +1 more source

IMPROVED FREQUENCY RESPONSE OF MICROSTRIP LOWPASS FILTER USING DEFECTED GROUND STRUCTURES

, 2018
The frequency response characteristics of a basic microstrip lowpass filter improved using H-shaped defected ground structures are presented. The proposed defected ground structures behave as a resonant element at high frequency and thus eliminate the ...
T. K. Rekha, P. Abdulla, P. M. Jasmine, Paruthikkal Mohammed Raphika   +3 more
semanticscholar   +1 more source

LDMOS RF power amplifiers with improved performance characteristics using defected ground structure

, 2006
An LDMOS RF power amplifier with improved performance characteristics such as intermodulation distortion (IMD) and power-added efficiency (PAE) using a defected ground structure (DGS) matching circuit and bias lines is presented.
Budimir, D., Koulouzis, H.
core   +1 more source

A Wide-Band Equivalent Circuit Model for Single Slot Defected Ground Structures

, 2019
International audienceDefected Ground Structures have multiple applications in the microwave domain, e.g., in the design of couplers, antennas, filters and filtennas.
Rolain, Y, J. Lataire, F. Ferranti, Y. Rolain, Ferranti, F, E. Van Nechel, van Nechel, E, Lataire, J   +7 more
core   +1 more source

Densely Coupled, Super-Realized Gain Printed Dipole Array With Defected Ground Structures

IEEE Open Journal of Antennas and Propagation
Super-directive antenna arrays (SDAAs), conventionally designed to achieve exceptional directivity through mutual coupling, face an inherent drawback regarding their high impedance mismatch. Despite their high directivity, the considerable decline in the
Ihsan Kanbaz, Okan Yurduseven, Michail Matthaiou   +2 more
doaj   +1 more source

Quasi-Static Analysis of Defected Ground Structure

TENCON 2005 - 2005 IEEE Region 10 Conference, 2005
A quasi-static equivalent circuit model of a dumbbell shaped defected ground structure (DGS) is developed. The equivalent circuit model is derived from the equivalent inductance and capacitance developed due to the perturbed returned current path on the ground and the narrow gap, respectively.
Nemai Karmakar, Sushim Roy, Isaac Balbin, Gerhard Swiegers   +3 more
openaire   +2 more sources

Hexagonal Microstrip MIMO Antenna with Defected Ground Structures for ISM/IoT Application

Majlesi Journal of Electrical Engineering
In this manuscript, an original multiple-input multiple-output (MIMO) array antenna is proposed. The proposed array consists of two mirror-image elements placed adjacently.
Farzaneh Talebi, Pejman Rezaei, Sina Kiani   +2 more
doaj   +1 more source