A Novel Multi-State Integrated Rf Mems Switch for Reconfigurable Antennas Applications

Pourziad, Ali; Nikmehr, Saeid; Veladi, Hadi

doi:10.2528/pier13012303

Cited by 24 publications

(17 citation statements)

References 42 publications

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“…Table 2 tabulates the switch configurations and resonant frequency of the proposed antenna. From observation, the simulated and measured resonant frequencies of F 4 to F 6 have similar values because the patch acts as the radiator where it is not affected by the switches. Meanwhile, F 1 to F 3 are produced by the slot radiator.…”

Section: Antenna Design and Operationmentioning

confidence: 75%

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Frequency Reconfigurable Microstrip Patch-Slot Antenna With Directional Radiation Pattern

Majid¹,

Rahim²,

Hamid³

et al. 2014

PIER

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Abstract-In this paper, frequency reconfigurable slot-patch antenna with reflector at the back of an antenna is presented. The proposed antenna consists of a microstrip patch antenna and a microstrip slot antenna where the slot antenna is positioned at the ground plane underneath the patch. Three switches are placed in the slot. The antenna is capable to reconfigure up to six different frequency bands from 1.7 GHz to 3.5 GHz. The microstrip patch antenna produces three different frequency bands with directional radiation pattern while the microstrip slot antenna produces another three frequency bands with bidirectional radiation pattern. Due to the reflector placed at the back of the antenna, the radiation pattern is directional at all frequency bands. Simulated and measured results are used to demonstrate the performance of the antenna. The simulated and measured reflection coefficients and radiation patterns are presented and compared.

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Section: Antenna Design and Operationmentioning

confidence: 75%

“…In 1999, a reconfigurable leaky patch antenna using PIN diode was presented in [5]. From 1999 until the present day, microstrip antenna has been used as a platform to design reconfigurable antenna [6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Frequency Reconfigurable Microstrip Patch-Slot Antenna With Directional Radiation Pattern

Majid¹,

Rahim²,

Hamid³

et al. 2014

PIER

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“…Their mechanical switching action and higher cutoff frequency makes them superior to other semiconductor switches. Their salient features include good linearity, very low insertion loss in ON state and high isolation in OFF state [5][6][7][8]. RF MEMS switches with good performance have shown anticipated commercial production in specific RF applications.…”

Section: Introductionmentioning

confidence: 99%

An Ultra Wideband, Novel and Reliable RF MEMS Switch

Jha¹,

Gogna²,

Gaba³

et al. 2016

Transactions on Electrical and Electronic Materials

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This paper presents the design and characterization of wide band ohmic microswitch with an actuation voltage as low as 20~25 V, and a restoring force of 14.1 μN. The design of the proposed switch is primarily composed of an electrostatic actuator, bridge membrane, cantilever (beam) and coplanar waveguide, suspended over the substrate. The analysis shows an insertion loss of -0.002 dB at 1GHz and remains as low as -0.35 dB, even at 100 GHz. The isolation loss of the switch is sustained at -21.09 dB at 100GHz, with a peak value of -99.58 dB at 1 GHz and up-state capacitance of 4 fF. To our knowledge, this is the first demonstration of a series contact switch, which works over a wide bandwidth (DC-100 GHz) and with such a high and sustained isolation, even at high frequencies and with an excellent figure of merit (f c =1/2.pi.Ron.Cu= 39.7 THz).

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“…RF MEMS have gained such considerable significance that they are now being integrated with antennas to enhance operation. RF MEMS have been tested for use in reconfigurable RF antennas [17]. This paper deals with a novel metal contact switch that employs a see-saw beam movement mechanism.…”

Section: Introductionmentioning

confidence: 99%

Design Aspects of a New Reliable Torsional Switch with Excellent RF Response

Gogna¹,

Jha²,

Gaba³

et al. 2016

Transactions on Electrical and Electronic Materials

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This paper proposes a metal contact RF MEMS switch which utilizes a see-saw mechanism to acquire a switching action. The switch was built on a quartz substrate and involves vertical deflection of the beam under an applied actuation voltage of 5.46 volts over a signal line. The see-saw mechanism relieves much of the operation voltage required to actuate the switch. The switch has a stiff beam eliminating any stray mechanical forces. The switch has an excellent isolation of -90.9 dB (compared to -58 dB in conventional designs [3]), the insertion of -0.2 dB, and a wide bandwidth of 88 GHz (compared to 40 GHz in conventional design [16]) making the switch suitable for wide band applications.

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A Novel Multi-State Integrated Rf Mems Switch for Reconfigurable Antennas Applications

Cited by 24 publications

References 42 publications

Frequency Reconfigurable Microstrip Patch-Slot Antenna With Directional Radiation Pattern

Frequency Reconfigurable Microstrip Patch-Slot Antenna With Directional Radiation Pattern

An Ultra Wideband, Novel and Reliable RF MEMS Switch

Design Aspects of a New Reliable Torsional Switch with Excellent RF Response

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