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Thangavelu Shanmuganantham,Deepanshu Kaushal 한국전자통신연구원 2017 ETRI Journal Vol.39 No.6
A slotted rectangular nameplate antenna design with a patch bearing the name of the first author is presented. A 6.8 mm × 26 mm × 1.6 mm substrate of FR-4 epoxy material having a relative permittivity of 4.4 and a dielectric loss tangent of 0.02 is used. Additionally, the feeding technique used is a coaxial mechanism. The standard antenna design parameters, including the reflection coefficient, bandwidth, radiation pattern, gain, directivity, and voltage standing wave radio (VSWR) for the proposed prototype are analyzed using a high-frequency structure simulator (HFSS) v-15, and are compared to the measured results. The designed structure may be considered for different satellite- and radio-determination applications at the respective resonant frequencies.
Modeling and Analysis of a Multi Bossed Beam Membrane Sensor for Environmental Applications
Arjunan, Nallathambi,Thangavelu, Shanmuganantham The Korean Institute of Electrical and Electronic 2017 Transactions on Electrical and Electronic Material Vol.18 No.1
This paper presents a unique pressure sensor design for environmental applications. The design uses a new geometry for a multi bossed beam-membrane structure with a SOI (silicon-on-insulator) substrate and a mechanical transducer. The Intellisuite MEMS CAD design tool was used to build and analyze the structure with FEM (finite element modeling). The working principle of the multi bossed beam structure is explained. FEM calculations show that a sensing diaphragm with Mises stress can provide superior linear response compared to a stress-free diaphragm. These simulation results are validated by comparing the estimated deflection response. The results show that, the sensitivity is enhanced by using both the novel geometry and the SOI substrate.
Modeling and Analysis of a Multi Bossed Beam Membrane Sensor for Environmental Applications
Nallathambi Arjunan,Shanmuganantham Thangavelu 한국전기전자재료학회 2017 Transactions on Electrical and Electronic Material Vol.18 No.1
This paper presents a unique pressure sensor design for environmental applications. The design uses a newgeometry for a multi bossed beam-membrane structure with a SOI (silicon-on-insulator) substrate and a mechanicaltransducer. The Intellisuite MEMS CAD design tool was used to build and analyze the structure with FEM (finiteelement modeling). The working principle of the multi bossed beam structure is explained. FEM calculations showthat a sensing diaphragm with Mises stress can provide superior linear response compared to a stress-free diaphragm. These simulation results are validated by comparing the estimated deflection response. The results show that, thesensitivity is enhanced by using both the novel geometry and the SOI substrate.
Design and Analysis of RF MEMS Cantilever Switches for Parameter Enhancement
Khan, Aamir Saud,Shanmuganantham, Thangavelu The Korean Institute of Electrical and Electronic 2018 Transactions on Electrical and Electronic Material Vol.19 No.3
This paper investigates some of the disadvantages of Radio Frequency Micro Electro Mechanical System (RF MEMS) switches, such as high actuation voltage and high switching time. RF MEMS switches are among the most widely used technologies since the past two decades owing to their abundant advantages such as low insertion loss, high isolation loss, low power consumption, and very high Q. In this paper, we focus on reducing the high actuation voltage and high switching time; a novel design of an RF MEMS metal contact switch was proposed and designed using the software Intellisuite 8.7v, and simulations were performed by finite element modeling. Analysis was carried out by the electrostatic actuation method. The actuation voltage depends on the spring constant, area of the actuation electrode, and air gap. From the simulation, we obtained a very low actuation voltage (1.2 V) and low switching time (approximately $7.98{\mu}s$).
Design and Analysis of RF MEMS Cantilever Switches for Parameter Enhancement
Aamir Saud Khan,Thangavelu Shanmuganantham 한국전기전자재료학회 2018 Transactions on Electrical and Electronic Material Vol.19 No.3
This paper investigates some of the disadvantages of Radio Frequency Micro Electro Mechanical System (RF MEMS)switches, such as high actuation voltage and high switching time. RF MEMS switches are among the most widely usedtechnologies since the past two decades owing to their abundant advantages such as low insertion loss, high isolation loss,low power consumption, and very high Q. In this paper, we focus on reducing the high actuation voltage and high switchingtime; a novel design of an RF MEMS metal contact switch was proposed and designed using the software Intellisuite 8.7v,and simulations were performed by fi nite element modeling. Analysis was carried out by the electrostatic actuation method. The actuation voltage depends on the spring constant, area of the actuation electrode, and air gap. From the simulation, weobtained a very low actuation voltage (1.2 V) and low switching time (approximately 7.98 μs).