Browsing by Author "Tasker, Paul"

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    28-51 GHz dynamic frequency divider based on 0.15 μm T-gate Al0.2Ga0.8As/In0.25Ga0.75As MODFETs
    (1993) Thiede, Andreas; Tasker, Paul; Hülsmann, Axel; Köhler, Klaus; Bronner, Wolfgang; Schlechtweg, Michael; Berroth, Manfred; Braunstein, Jürgen; Nowotny, Ulrich
    The design and performance of a 28-51 GHz dynamic frequency divider based on pseudomorphic Al0.2Ga0.8As/In0.25Ga0.75As MODFETs with 0.15 μm mushroom-shaped gates are presented. The circuit has a power consumption of approximately 440 mW and a chip area of approximately 200x220 μm2.
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    Digital dynamic frequency dividers for broad band application up to 60 GHz
    (1993) Thiede, Andreas; Berroth, Manfred; Tasker, Paul; Schlechtweg, Michael; Seibel, Jörg; Raynor, Brian; Hülsmann, Axel; Köhler, Klaus; Bronner, Wolfgang
    A broadband dynamic frequency divider based on pseudomorphic Al0.2Ga0.8As/In0.25Ga0.75As MODFETs and passive loads is presented. Stable operation from 28 GHz up to 51 GHz with a power consumption of 440 mW could be shown. SPICE network simulation predicts operation in the 35 GHz - 60 GHz range for a divider circuit using an advanced E/D AlGaAs/InGaAs MODFET process.