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Proceedings Paper

Ultra-wide-band coplanar waveguide based impedance transformer using slow-wave electrodes
Author(s): Xia Yao; Nicolas A. F. Jaeger
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Paper Abstract

This paper presents a new type of broadband impedance transformer loaded with capacitive fins (ITF) suitable for use in the frequency range 10 GHz to 70 GHz. Compared with conventional, unloaded, tapered impedance transformers, these ITF structures extend the impedance matching range and the operating bandwidth for the same amount of on-chip real-estate. We have designed ITFs capable of impedance matching resistive loads from ~ 10 Ω to ~ 229 Ω, on a 650 μm thick GaAs substrate over about a 60 GHz bandwidth. Design examples are used to demonstrate the flexibility of these ITF structures.

Paper Details

Date Published: 31 August 2011
PDF: 7 pages
Proc. SPIE 8007, Photonics North 2011, 80070G (31 August 2011); doi: 10.1117/12.905674
Show Author Affiliations
Xia Yao, The Univ. of British Columbia (Canada)
Nicolas A. F. Jaeger, The Univ. of British Columbia (Canada)

Published in SPIE Proceedings Vol. 8007:
Photonics North 2011
Raman Kashyap; Michel Têtu; Rafael N. Kleiman, Editor(s)

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