Now showing items 1-5 of 5

    • Design of multi-octave band GaN-HEMT power amplifier 

      Eren, Gulesin; Şen, Özlem A.; Bölükbaş, Basar; Kurt, Gökhan; Arıcan, Orkun; Cengiz, Ömer; Ünal, Sıla T.K.; Durmuş, Yıldırım; Özbay, Ekmel (IEEE, 2012)
      This paper describes design, fabrication and measurement of 6 GHz - 18 GHz monolithic microwave integrated circuit (MMIC) amplifier. The amplifier is realized as coplanar waveguide (CPW) circuit using 0.3 μm-gate Gallium-Nitride ...
    • On-chip characterization of THz Schottky diodes using non-contact probes 

      Khan, T. M.; Ghobadi, A.; Celik, O.; Caglayan, C.; Biyikli, N.; Okyay, A. K.; Topalli, K.; Sertel, K. (IEEE Computer Society, 2016)
      We present non-contact characterization of GaAs Schottky contacts in the 140-220 GHz band. The non-contact probing technique utilizes planar on-chip antennas that are monolithically integrated with the coplanar waveguide ...
    • Structural field plate length optimization for high power applications 

      Toprak, A.; Kurt G.; Sen O.A.; Özbay, Ekmel (Institute of Electrical and Electronics Engineers Inc., 2014)
      In this work, we report GaN high-electron-mobility-transistors (HEMTs) on SiC with field plates of various dimensions for optimum performance. 0.6 μm gate length, 3 μm drain source space AlGaN/GaN HEMTs with field-plate ...
    • Study of the power performance of gaN based HEMTs with varying field plate lengths 

      Kurt G.; Toprak, A.; Sen O.A.; Özbay, Ekmel (North Atlantic University Union, 2015)
      In this paper, we report the optimum power performance of GaN based high-electron-mobility-transistors (HEMTs) on SiC substrate with the field plates of various dimensions. The AlGaN/GaN HEMTs are fabricated with 0.6 µm ...
    • Three dimensional microfabricated broadband patch and multifunction reconfigurable antennae for 60 GHz applications 

      Hünerli H. V.; Mopidevi, H.; Cağatay, E.; Imbert, M.; Romeu, J.; Jofre, L.; Çetiner, B. A.; Bıyıklı, Necmi (IEEE, 2015-04)
      In this paper we present two antenna designs capable of covering the IEEE 802.11ad (WiGig) frequency band (57-66 GHz and 59-66 GHz respectively). The work below reports the design, microfabrication and characterization of ...