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Title: Intermodulation distortion in a photoconductive microwave switch
Authors: Kowalczuk, Emma K.
Panagamuwa, C.J.
Seager, R.D.
Keywords: Photoconductive switch
Optical control
Fiber optic
Silicon
Linearity
Intermodulation
Harmonic distortion
Microwave switch
Reconfigurable antenna
Issue Date: 2016
Publisher: © IEEE
Citation: KOWALCZUK, E.K., PANAGAMUWA, C.J. and SEAGER, R.D.,2016. Intermodulation distortion in a photoconductive microwave switch. Presented at the Loughborough Antennas and Propagation Conference (LAPC 2016), Loughborough, 14-15 Nov.
Abstract: Single-tone harmonic and two-tone intermodulation distortion measurements are presented for a photoconductive microwave switch. The switch consists of a lightly doped die of silicon mounted over a gap in a transmission line. The switch is controlled via near infra-red light delivered by a fiber optic cable. Whilst under constant illumination, the third order intercept for a 2 GHz CW signal is extrapolated to be 74 dBm. Under a 1 MHz spaced two-tone signal, the extrapolated intermodulation intercept point is 58 dBm.
Description: © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Version: Accepted for publication
DOI: 10.1109/LAPC.2016.7807508
URI: https://dspace.lboro.ac.uk/2134/24325
Publisher Link: https://doi.org/10.1109/LAPC.2016.7807508
ISBN: 9781509007837
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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