Now showing items 1-7 of 7

    • Compact and wideband CPW wilkinson power dividers for GaN MMIC applications 

      Sutbas, Batuhan; Özbay, Ekmel; Atalar, Abdullah (IEEE, 2018)
      This paper presents two types of modified CPW Wilkinson power dividers at X-band using GaN MMIC technology on a SiC substrate. Lumped element equivalents of the transmission line arms are used and they are capacitively ...
    • Improved Wilkinson power divider structures for millimeter-wave applications 

      Sütbaş, Batuhan (Bilkent University, 2019-01)
      Communication systems, radars, electronic warfare and space applications desire integrated circuits with higher operating frequencies. Working at the millimeter-wave region increases data rates, provides a more efficient use ...
    • Structural field plate length optimization for high power applications 

      Toprak, Ahmet; Kurt, Gökhan; Şen, Özlem A.; Özbay, Ekmel (IEEE, 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 ...
    • X Band GaN Based MMIC power amplifier with 36.5dBm P1-dB for space applications 

      Gürdal, Armağan; Yilmaz, Burak Alptug; Cengiz, Ömer; Şen, Özlem; Özbay, Ekmel (IEEE, 2018)
      An X-Band Monolithic Microwave Integrated Circuit (MMIC) High Power Amplifier (HPA) with coplanar waveguide (CPW) based on AIGaN/GaN on SiC technology is presented in this paper. Coplanar waveguide technology (CPW) is ...
    • X band GaN based MMIC power amplifier with 36.5dBm P1-dB for space applications 

      Gürdal, Armağan; Yılmaz, Burak Alptuğ; Cengiz, Ömer; Sen, Özlem; Özbay, Ekmel (IEEE, 2018)
      An X-Band Monolithic Microwave Integrated Circuit (MMIC) High Power Amplifier (HPA) with coplanar waveguide (CPW) based on AlGaN/GaN on SiC technology is presented in this paper. Coplanar waveguide technology (CPW) is ...
    • X-band high power GaN SPDT MMIC RF switches 

      Osmanoğlu, Sinan; Özbay, Ekmel (IEEE, 2019)
      This paper describes the design results and measured performance of three different high power, low loss and high isolation GaN high electron mobility transistor (HEMT) based single-pole double-throw (SPDT) RF switches. ...