Search
119 articles for “Substrate”
-
Rectangular Microstrip Antenna Design and Analysis for Exposure System at 900 MHz with Different Feeding Mechanism
Abstract: Microstrip antennas widely used in defence applications, in aircrafts and in applications where narrow bandwidth is required. In this work an antenna is designed with 3 different feeding mechanisms. The feeding mechanism is used to provide the path for the flow of current from the source. The three different feeds are Line feed, Quarter wave transformer feed and Inset feed. The rectangular microstrip patch antenna designed at 900 MHz and …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 7–19 Read article
-
Broadbanding of Circular Patch Antenna Using Stub Loaded Stacked Configuration
Abstract: This paper proposes a stub loaded stacked configuration of a circular patch antenna using FR-4 material as a substrate with dielectric constant of 4.2 for resonant frequency of 2 GHz. This configuration is a hybrid of two broadbanding technique, the stub loading technique and stacking technique. The radius of the patch is calculated to be 18.88 mm and the air gap is 1 mm between the lower and upper layer. …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 20–25 Read article
-
Compact Slot Multiband Antenna With Modified Ground Plane For Wireless Applications
Abstract: A miniaturized microstrip-fed multiband antenna is presented. Slots inside the rectangular patch with a modified ground plane are utilized to generate multiple frequency bands. The proposed antenna has a substrate size of 30*30 mm2, fed by a 50 Ω microstrip feed line and covers four frequency bands with resonant frequencies 2.5 GHz, 3.3 GHz, 5.3 GHz and 5.8 GHz respectively. Various parametric studies allowed and the results in terms of …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 1–5 Read article
-
DESIGN OF HIGH PERFORMANCE WIDE BAND COMPACT BRANCH LINE COUPLER USING PCB TECHNOLOGY
Abstract: This paper comprises designing of a wide band Branch Line Coupler by using PCB technology. The size is greatly reduced by using only patch on substrate without ground. The proposed designed coupler is working for 0-3 GHz frequency. The main concern of this paper to design and fabricate a compact branch line coupler with high performance and measured values well matched with simulation. The simulation can be achieved by using …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 6–10 Read article
-
Circular Head-Shape Slotted Circularly Polarized Microstrip Antenna
Abstract: In this paper, one of the important parameter a is circular polarization. The design consists of square microstrip patch antenna using circular head-shape slot in second quadrant of the patch. Microstrip patch antenna is low profile, low cost antenna. A design of coaxial feed circular polarized, square shape microstrip antenna is presented and simulated by using CST 2010 and 4.4 relative permittivity law cost FR-4 (lossy) substrate are used. The …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 1, 2017 · pp. 18–22 Read article
-
Design a Compact Microstrip Patch Antenna on a Center Frequency of GSM Band with DGS for Gain Enhancement
Abstract: In this paper, a compact dual band microstrip patch antenna has been designed on a center frequency of GSM band (800–900 MHz) and (1800–1900 MHz) using the DGS technique. The resonating frequency of this antenna 0.845 and 1.850 GHz, the proposed antenna is designed on an FR4 lossy substrate with dielectric constant 4.3, thickness 1.6 mm and loss tangent 0.02. The main objective of this paper is to increase the …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
-
Quad-Band L-Shaped Slots Integrated Microstrip Patch Antenna for Radio Frequency Energy Harvesting Applications
Abstract: This study presents an L-shaped slots integrated Microstrip antenna for Radio frequency (RF) energy harvesting applications. It is designed on FR-4 Epoxy substrate material with the coverage of four bands (GSM-900, GSM-1800 Wi-Fi sources 2400, and 3300MHz frequency band allocated for WiMAX applications) of cellular communication. The proposed L-shaped slots antenna consists of four symmetric/asymmetric stubs and four symmetric L-shaped slots. L-shaped slots are integrated inside a square patch of …
Published in International Journal of Microwave Engineering and Technology · Vol. 4, Issue 2, 2018 · pp. 6–14 Read article
-
Wearable Textile Antenna for Body Centric Wireless Application
Abstract: This article introduces minimal effort wearable textile antenna with the absconded ground is proposed. The foreseen antenna can get the recurrence between 2.185 and 6.625 GHz. An examination between the measured result and the estimated result has been considered in this article. The foreseen wearable antenna is appropriate to get radio wave vitality accessible in the range of 2.185–6.625 GHz. Keywords: copper tape, flexible antenna and CST software, jeans substrate, …
Published in International Journal of Microwave Engineering and Technology · Vol. 4, Issue 2, 2018 · pp. 27–32 Read article
-
Dual Band Integrated Elliptical Slot Microstrip Patch Antenna for RF Energy Harvesting
Abstract: ABSTRACTIn this paper, a dual band microstrip patch antenna is designed for Radio Frequency Energy Harvesting (RFEH) applications. The proposed antenna covers signals from 2300 MHz to 2400 MHz and 2450 MHz to 2550 MHz. The proposed dual band patch antenna is loaded on FR-4 lossy substrate with thickness of 1.6 mm. The elliptical circle and stubs are integrated on the radiating patch which is used for increasing the resonating …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 2, 2019 · pp. 13–20 Read article
-
Designing and Simulation of Dual Band Antenna using CPW Feeding
Abstract: ABSTRACTA dual-band antenna is proposed in this paper based on a coplanar waveguide feeding technique. This proposed antenna has 70 MHz and 426 MHz maximum bandwidth and they radiate at 1.5 and 2.56 GHz. Maximum return loss and average gain is -40 dBi and 3.0 dBi. A proposed monopole antenna is a combination of slotted rectangular and triangular-shaped structures. A 90-degree inclined T shaped stub was used to provide upper …
Published in International Journal of Microwave Engineering and Technology · Vol. 6, Issue 1, 2020 · pp. 7–13 Read article
-
Miniature Metamaterial Antenna for Microwave Imaging Application
Abstract: The work represented in the paper proposes a miniature Metamaterial (MTM) antenna using Split Ring Resonator (SRR) for Microwave Imaging applications. This SRR is fed using a single microstrip line. For structure optimization, parametric study is exploited, which helps in obtaining impedance bandwidth over the UWB frequency range (3.1 to 9.9 GHz). Entire structure is built on a FR-4 (εr = 4.3) Glass Epoxy substrate of dimensions of 13*12*1.6 mm. …
Published in International Journal of Microwave Engineering and Technology · Vol. 6, Issue 2, 2020 · pp. 18–25 Read article
-
A Loop-based Microstrip Dipole Antenna for Operations at 1 GHz
Abstract: This paper proposes, designs, simulates, and analyses a novel microstrip dipole antenna design consisting of two identical loops for operations for a bandwidth centering around 1 GHz (namely the 0.5 GHz to 1.5 GHz bandwidth). This proposed design consisted of FR-4 being used as a substrate of a thickness of 1.6 mm and pure copper layers of 0.1 mm in height. It should be noted that this antenna design consisted …
Published in International Journal of Microwave Engineering and Technology · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
-
Stretchable Antennas for Next Generation Communication Systems
Abstract: Due of its extensive applications in fields such as biomedical applications and wearable devices, the internet of things, and 5G applications, demand for flexible wireless communication systems is expanding. Flexible wireless communication necessitates stretchable antennas. Flexible electronic devices has many advantages like easy portability, light in weight and use of ecofriendly materials. The popularity of flexible electronic devices is due to these properties. The selection of flexible or stretchable antenna …
Published in International Journal of Microwave Engineering and Technology · Vol. 8, Issue 1, 2022 · pp. 41–46 Read article
-
Design and Enhanced the Parameters of Wide Band Miniaturized Wilkinson Power Divider
Abstract: In this paper a wide band Wilkinson power divider is designed and proposed by using innovative technique i.e. using patch on substrate without ground and size can be largely reduced by using lumped element i.e. resistance (100 Ω). The main focus on this power divider is very compact as much as possible in size and also power is equally divided. This Wilkinson power divider is working at resonant frequency 0-300MHz. …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 3, Issue 1, 2017 · pp. 1–5 Read article
-
Performance Investigation of Grating-based Photovoltaic Concentrator
Abstract: This paper elaborates the performance investigation of Grating based Photovoltaic Concentrator.Grating principle is used in the proposed concentrator photovoltaics (CPV). In this method a sidemountedconcentrator solar module structure is designed in which grating prism is used forconcentrating sunlight on solar cell. Diffraction grating is an optical device composed of a large number of closely spaced parallel slits or rulings. These rulings act as a series of narrow, closely spaced apertures …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 9, Issue 1, 2023 · pp. 22–28 Read article
-
Design and Analysis of “AKK” Shape Slot Antenna for S-Band Application
Abstract: An S-band patch feed Tamil letter “AKK” shape slot antenna for RADAR application is designed and presented in this paper. The proposed “AKK” shaped slot antenna is built on an air substrate with dielectric constant of 1.0006, a dimension of patch 40.5*40.5 mm, thickness of 1.6 mm, and loss tangent of 0.00827. The proposed antenna is designed over a frequency of 3.5 GHz. The antenna is designed and simulated using …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 39–44 Read article
-
A Single Band Microstrip Dipole Antenna for PFDA Applications
Abstract: ABSTRACT This paper presents the simulation and experimental effects of a single band microstrip dipole antenna. The precise ness of this antenna design is because of its simple structure and feeding mechanism with low production cost. The antenna is designed at a substrate with εr = 4.4 and height h = 1.6mm for 1.504 GHz frequency bands. The resonance of antenna I -37dB achieve at the resonant frequency of 1.504GHz …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 5, Issue 1, 2019 · pp. 6–9 Read article
-
Effect Of Capping Agents And Annealing On The Optical Properties Of (Cd0.8-Zn0.2)S And (Cd0.8-Zn0.2)S:Eu Films Prepared By CBD Technique
Abstract: Thin films of (Cd0.8-Zn0.2)S and (Cd0.8-Zn0.2)S:Eu are prepared by Chemical Bath Deposition (CBD) technique on glass substrates at 60ºC temperature by adding Mercaptoethanol and Methanol as capping agents(CA). The films were annealed at 400°C for two minutes and their optical properties were studied. The effect of the presence of capping agents and annealing was investigated. The optical constants such as refractive index, extinction coefficient, optical and electrical conductivity, real and …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
-
Silver Nanoparticle Ink for Rapid prototyping in Printed Electronics
Abstract: Now a day, Printed Electronics technology is very popular all over the world. It is very flexible and cost effective technology. It can replace the traditional technologies. By this technology, one can convert the rigid circuit board into flexible circuit board by printing the circuit on any substrate with the help of nanosilver conductive ink. The conductivity of nanosilver ink increases as the particle size is very small in nanometers. …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 17–20 Read article
-
Impact of Annealing on Structural and Surface Properties of Nanostructured ZnO Thin Films
Abstract: ZnO thin movies with various grain size were developed on undefined quartz substrate utilizing turn covering technique. We have announced the impact of toughening temperatures on the basic and surface properties of ZnO thin movies. The surface properties were described by AFM. From XRD investigation, it can be seen that the FWHM diminishes with an expansion in strengthening temperature from 500 to 575ºC which is reflected in the expansion in …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 33–37 Read article