IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Colecția instituțională by Author "HARTNAGEL, H.-L."

Browsing Colecția instituțională by Author "HARTNAGEL, H.-L."

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  • 600 GHz GaAs Schottky diode mixer in split-block technology 
    SCHUR, J.; BIBER, S.; COJOCARI, O.; SCHMIDT, L.-P.; HARTNAGEL, H.-L. (IEEE, 2013)
    In this paper we present measurement results of a micro-machined split-block waveguide mixer for 600 GHz. The mixer implements a planar GaAs Schottky diode on a quartz substrate. Two different diode designs used for this ...
  • Micromachined split-block Schottky-diode mixer for 600 GHz 
    SCHUR, J.; BIBER, S.; GUMBMANN, F.; MOTTET, B.; COJOCARI, O.; SCHMIDT, L.-P.; HARTNAGEL, H.-L. (IEEE, 2004)
    This paper presents simulation results for a 600 GHz micromachined waveguide mixer with integrated horn antenna, a hybrid-integrated planar Schottky diode and IF filter structures on a quartz substrate. In addition to the ...
  • THz Schottky diodes on epitaxial AlGaAs-membrane 
    COJOCARI, O.; OPREA, I.; SYDLO, C.; ZIMMERMANN, R.; WALBER, A.; HENNEBERGER, R.; HARTNAGEL, H.-L. (IEEE, 2005)
    Schottky structures based on quasi-vertical diode (QVD) design concept are essentially improved by optimization of the GaAs/AlGaAs wafer layout and fabrication process. Insertion of a 4 mum-thin epitaxial AlGaAs layer ...
  • WID: a new Schottky-structure design for THz-applications 
    COJOCARI, O.; SYDLO, C.; HARTNAGEL, H.-L. (IEEE, 2005)
    Whisker integrated diode (WID) is a fully vertical Schottky-based structure suitable for hybrid integration in THz-systems. This paper presents design, simulation and DC-measurement results of a WID for THz-mixing application.

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