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Optimization of metallic bi-periodic photonic crystals
(2007)Optomechatronic micro/nano devices and components IIIConference Paper -
Analysis and optimization of frequency selective surfaces with inhomogeneous, periodic substrates
(2007)Proceedings of the Society of Photo-Optical Instrumentation Engineers ~ Optomechatronic micro/nano devices and components IIIConference Paper -
Rigorous characterization of EMC antennas
(2007)EMC ZURICH-MUNICH 2007, SYMPOSIUM DIGESTConference Paper -
Comparison of the performance of double-step rectangular dielectric resonator antennas
(2007)2007 International Conference on Electromagnetics in Advanced ApplicationsConference Paper -
Simulation and optimization of photonic crystal structures
(2007)23rd Annual Review of Progress in Applied Computational ElectromagneticsConference Paper -
An LTCC-Based diplexer for dual frequency WLAN applications
(2007)2007 European Microwave ConferenceDual band systems operating in the ISM and U-NII unlicensed bands are of growing interest. LTCC with its outstanding three-dimensional packaging capability is one of the most suitable technologies for the realization of high performance, compact WLAN transceivers. In this paper we describe the design of a diplexer for IEEE 802.11 a/b/g compliant front-ends. The proposed structure utilizes a lumped element filter for the 2.4-2.5 GHz passband, ...Conference Paper -
Pin gap investigations for the 1.85mm coaxial connector
(2007)2007 European Microwave ConferenceThis paper presents a detailed investigation of the influence of pin gap size on the S-parameters of the 1.85 mm connector. In contrast to earlier publications connector geometry is simulated with all chamfers, gaps and contact fingers. Simulation results are verified by cross-checking between finite element frequency domain and finite difference time domain methods. Based on reliable simulation results, a very fast tool was developed to ...Conference Paper -
A low-noise front-end with beamsteering capability at 35 GHz
(2007)2007 European Microwave ConferenceThis paper presents a novel implementation of a 35- GHz front-end for beamsteering applications. The achieved low noise figure of only 2.5 dB enables reception of very low-power signals. The 35-GHz input signal is downconverted to 5 GHz. A controllable phase shift is added by utilizing an injection locked voltage controlled oscillator (VCO) to drive the mixer. The phase noise of the local oscillator's signal is reduced by using a cavity ...Conference Paper -
Frequency-domain finite-volume simulations
(2007)2007 European Microwave ConferenceThis paper presents recent investigations that aim at providing an efficient frequency-domain solution of models that are obtained from a finite-volume space discretization. Traditionally, the finite-volume method is used in conjunction with a time-domain solver, however, when applied to resonant devices, such as filters and diplexers, a frequency-domain solution is attractive. Since direct solutions of the involved systems suffer from a ...Conference Paper -
Positional Dependence of Mode Detection in FDTD based Photonic Crystal Simulations
(2007)Computational Electromagnetics in Time-Domain, 2007, CEM-TD 2007, Workshop on : 15-17 Oct. 2007Conference Paper