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Optoelectronic generation of transient waveforms for UWB radars with rejected frequencies

Part of: EuMW Special issue 2019

Published online by Cambridge University Press:  07 April 2020

Jeremy Hyvernaud Open the ORCID record for Jeremy Hyvernaud [Opens in a new window] ,
Gwenael Reineix ,
Romain Negrier ,
Joel Andrieu ,
Michele Lalande  and
Vincent Couderc
Jeremy Hyvernaud*
Affiliation:
Xlim Laboratory, Antennas and Signals, University of Limoges, France
Gwenael Reineix
Affiliation:
Xlim Laboratory, Antennas and Signals, University of Limoges, France
Romain Negrier
Affiliation:
Xlim Laboratory, Antennas and Signals, University of Limoges, France
Joel Andrieu
Affiliation:
Xlim Laboratory, Antennas and Signals, University of Limoges, France
Michele Lalande
Affiliation:
Xlim Laboratory, Antennas and Signals, University of Limoges, France
Vincent Couderc
Affiliation:
Xlim Laboratory, Photonics, University of Limoges, France
*
Author for correspondence: Jeremy Hyvernaud E-mail: [email protected]
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Abstract

In this paper, a new design of an optoelectronic system for transient waveforms shaping, with a selection of rejected frequencies, is presented. The generation of short pulses is performed with several optoelectronic generators using photoconductive semiconductor switches (PCSS) operating in linear switching mode and triggered via a laser pulse. With the appropriate number of generators, the system generates a spectrum ranging from 300 MHz to 3 GHz, with rejected frequencies at 900 MHz and 1.8 GHz. A PCSS characterization has been set up to determine the necessary parameters for the establishment of an optoelectronic generator model on Keysight Advanced Design System software (ADS). Experimental tests have been realized using measurement benches to compare the simulated and measured signals.

Keywords

Ultra wideband radarradiofrequency interferenceoptoelectronic devicespower semiconductor switchessignal generators
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 12 , Special Issue 7: EuMW 2019 Special Issue , September 2020 , pp. 543 - 550
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Copyright
Copyright © Cambridge University Press and the European Microwave Association 2020

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