Publications related to RF MEMS Switches for Wide-band (5 - 40 GHz), Tuneable Filters and DMTL Phase Shifters

Miniature Sensor Node with Conformal Phased Array

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia

This paper reports on the design and fabrication of a fully integrated antenna beam steering concept for wireless sensor nodes. The conformal array circumcises four cube faces with a silicon core mounted on each face. Every silicon core represents a 2 by 1 ...

2011

A Polyvinylidene fluoride (PVDF) based bimorph actuator for high speed laser beam manipulation

Hannes Bleuler, Reymond Clavel, Ricardo Pérez Suárez

High-speed laser manipulation is a key technology in applications such as fast optical switches for coupling light into optical fibres, 2D beam steering for optical scanners, laser printers or 2D sensors. A novel design of a Polyvinylidene Fluoride (PVDF) ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2011

Design, Realization and Experimental Test of a Coaxial Exponential Transmission Line Adaptor for a Half Impulse Radiating Antenna

Nicolas Mora Parra

This paper describes the simulation, design, realization, and experimental test of a tapered transmission line (TL) for adapting a broad-band impulse generator to a radiating antenna, for a frequency range of 50 MHz-1 GHz. Two different taper geometries ar ...

2011

RF-MEMS switches with AlN dielectric and their applications

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia

This paper reports on the potential of RF-MEMS technology based on aluminum nitride capacitive dielectric and nickelsuspended membranes to provide RF circuit functions in reconfigurable front-end radios. The RF performance of capacitive switches, distribut ...

2011

Cavity-backed slot array antenna in substrate-integrated waveguide technology

Roberto Torres Sánchez

A slot array placed on the face of a cavity realized in substrate-integrated waveguide technology is presented. Guidelines to design similar antennas are provided. The design has been done with the help of commercial software. The result is a low-cost, dir ...

Wiley-Blackwell2011

A Compact Single-Layer Dual-Band Microstrip Antenna for Satellite Applications

Seyyed Hussein Seyyed Esfahlani

In this letter, a compact single-layer, single-feed, dual-frequency microstrip antenna with a high frequency ratio is proposed. This antenna has a broadside and symmetrical radiation patterns suitable for space-borne applications. The prototype was fabrica ...

Institute of Electrical and Electronics Engineers2011

BROADBAND BEAMPATTERN FOR MULTI-CHANNEL SPEECH ACQUISITION AND DISTANT SPEECH RECOGNITION

Hervé Bourlard, Philip Neil Garner, Mohammadjavad Taghizadeh

Spatial filtering is the fundamental characteristic of microphone array based signal acquisition which plays an important role in applications such as speech enhancement and distant speech recognition. In the array processing literature, this property is f ...

Idiap2011

Low-Power and Widely-Tunable Linearized Biquadratic Low-Pass Transconductor-C Filter

Seyed Armin Tajalli, Yusuf Leblebici

A sixth-order low-pass

g_m

-C filter with a very wide tuning range (

f_c

= 100 Hz to 10 MHz) is presented. The wide tuning range has been achieved without using switchable components or programmable building blocks. A single stage folded-cascode transcon ...

Institute of Electrical and Electronics Engineers2011

AIN Thin Film Structures for High-Q Resonators

Alvaro Artieda

The development of wireless and mobile communication in the last decade led to the elaboration of new components based on thin films with continually increasing performance and reduced fabrication cost. A fundamental element for mobile communication is the ...

EPFL2010

Recent developments on reconfigurable band-filtering antennas

Julien Perruisseau-Carrier

This paper presents implementations of very wideband antennas with reconfigurable band-rejection filtering within the band. The base antenna topology used is a dipole slot bow-tie whose maximal dimension at the lowest matched frequency is only 0.2λ0. The a ...

2010

RF MEMS Switches for Wide-band (5 - 40 GHz), Tuneable Filters and DMTL Phase Shifters

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Miniature Sensor Node with Conformal Phased Array

A Polyvinylidene fluoride (PVDF) based bimorph actuator for high speed laser beam manipulation

Design, Realization and Experimental Test of a Coaxial Exponential Transmission Line Adaptor for a Half Impulse Radiating Antenna

RF-MEMS switches with AlN dielectric and their applications

Cavity-backed slot array antenna in substrate-integrated waveguide technology

A Compact Single-Layer Dual-Band Microstrip Antenna for Satellite Applications

BROADBAND BEAMPATTERN FOR MULTI-CHANNEL SPEECH ACQUISITION AND DISTANT SPEECH RECOGNITION

Low-Power and Widely-Tunable Linearized Biquadratic Low-Pass Transconductor-C Filter

AIN Thin Film Structures for High-Q Resonators

Recent developments on reconfigurable band-filtering antennas

Design, Realization and Experimental Test of a Coaxial Exponential Transmission Line Adaptor for a Half Impulse Radiating Antenna

Recent developments on reconfigurable band-filtering antennas

Miniature Sensor Node with Conformal Phased Array

RF-MEMS switches with AlN dielectric and their applications

A Polyvinylidene fluoride (PVDF) based bimorph actuator for high speed laser beam manipulation

Cavity-backed slot array antenna in substrate-integrated waveguide technology

BROADBAND BEAMPATTERN FOR MULTI-CHANNEL SPEECH ACQUISITION AND DISTANT SPEECH RECOGNITION

Low-Power and Widely-Tunable Linearized Biquadratic Low-Pass Transconductor-C Filter

AIN Thin Film Structures for High-Q Resonators

A Compact Single-Layer Dual-Band Microstrip Antenna for Satellite Applications