Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019GCPW GaAs broadside couplers at H-band and application to balanced power amplifiers
Amado-Rey, Ana Belén; Campos-Roca, Yolanda; Friesicke, Christian; Wagner, Sandrine; Ambacher, Oliver
Zeitschriftenaufsatz
2018Advanced Testing Chain Supporting the Validation of Smart Grid Systems and Technologies
Brandl, R.; Kotsampopoulos, P.; Lauss, G.; Maniatopoulos, M.; Nuschke, M.; Montoya, J.; Strasser, T.I.; Strauß-Mincu, D.
Konferenzbeitrag
2018Analysis and development of submillimeter-wave stacked-FET power amplifier MMICs in 35-nm mHEMT technology
Amado-Rey, Ana Belén; Campos-Roca, Yolanda; Raay, Friedbert van; Friesicke, Christian; Wagner, Sandrine; Massler, Hermann; Leuther, Arnulf; Ambacher, Oliver
Zeitschriftenaufsatz
2018Broadband high-power W-band amplifier MMICs based on stacked-HEMT unit cells
Thome, Fabian; Leuther, Arnulf; Schlechtweg, Michael; Ambacher, Oliver
Zeitschriftenaufsatz
2018Dynamic load modulated low-voltage GaN PA using novel low-loss GaN varactors
Amirpour, Raul; Krause, Sebastian; Quay, Rüdiger; Ambacher, Oliver
Konferenzbeitrag
2018Transfer of AlGaN/GaN RF-devices onto diamond substrates via van der Waals bonding
Gerrer, Thomas; Cimalla, Volker; Waltereit, Patrick; Müller, Stefan; Benkhelifa, Fouad; Maier, Thomas; Czap, Heiko; Ambacher, Oliver; Quay, Rüdiger
Zeitschriftenaufsatz, Konferenzbeitrag
2017Efficient EM simulation of GCPW structures applied to a 200-GHz mHEMT power amplifier MMIC
Campos-Roca, Yolanda; Amado-Rey, Belén; Wagner, Sandrine; Leuther, Arnulf; Bangert, Axel; Gómez-Alcalá, Rafael; Tessmann, Axel
Zeitschriftenaufsatz
2012A high gain SiGe-GaN switching power amplifier in the GHz-range
Heck, S.; Bräckle, A.; Berroth, M.; Maroldt, S.; Quay, R.
Konferenzbeitrag
2012A high-gain high-power amplifier MMIC for V-band applications using 100 nm AlGaN/GaN dual-gate HEMTs
Schwantuschke, Dirk; Haupt, C.; Kiefer, R.; Brueckner, Peter; Seelmann-Eggebert, M.; Tessmann, Axel; Mikulla, Michael; Kallfass, Ingmar; Quay, Rüdiger
Zeitschriftenaufsatz
2011Broadband GaN-based switch-mode core MMICs with 20 W output power operating at UHF
Maroldt, S.; Quay, R.; Haupt, C.; Ambacher, O.
Konferenzbeitrag
2011Dual-gate GaN MMICs for MM-wave operation
Quay, R.; Tessmann, A.; Kiefer, R.; Maroldt, S.; Haupt, C.; Nowotny, U.; Weber, R.; Massler, H.; Schwantuschke, D.; Seelmann-Eggebert, M.; Leuther, A.; Mikulla, M.; Ambacher, O.
Zeitschriftenaufsatz
2011GaN HFET MMICs with integrated Schottky-diode for highly efficient digital switch-mode power amplifiers at 2 GHz
Maroldt, S.; Quay, R.; Haupt, C.; Kiefer, R.; Wiegner, D.; Ambacher, O.
Zeitschriftenaufsatz
2011Modeling and realization of GaN-based dual-gate HEMTs and HPA MMICs for Ku-band applications
Dennler, P.; Raay, F. van; Seelmann-Eggebert, M.; Quay, R.; Ambacher, O.
Konferenzbeitrag
2010AlGaN/GaN-based power amplifiers for mobile radio applications: A review from the system supplier's perspective
Wiegner, D.; Luz, G.; Jüschke, P.; Machinal, R.; Merk, T.; Seyfried, U.; Templ, W.; Pascht, A.; Quay, R.; Raay, F. van
Zeitschriftenaufsatz
2010Design and realization of GaN RF-devices and circuits from 1 to 30 GHz
Kühn, J.; Musser, M.; Raay, F. van; Kiefer, R.; Seelmann-Eggebert, M.; Mikulla, M.; Quay, R.; Rödle, T.; Ambacher, O.
Zeitschriftenaufsatz
2010Determination of suitable mHEMT transistor dimensioning for power amplification at 210 GHz by comprehensive measurements
Diebold, S.; Kallfass, I.; Massler, H.; Leuther, A.; Tessmann, A.; Pahl, P.; Koch, S.; Siegel, M.; Ambacher, O.
Konferenzbeitrag
2010Device and design optimization for AlGaN/GaN X-band-power-amplifiers with high efficiency
Kühn, J.; Raay, F. van; Quay, R.; Kiefer, R.; Mikulla, M.; Seelmann-Eggebert, M.; Bronner, W.; Schlechtweg, M.; Ambacher, O.; Thumm, M.
Zeitschriftenaufsatz
2010Efficient AlGaN/GaN linear and digital-switch-mode power amplifiers for operation at 2 GHz
Maroldt, S.; Wiegner, D.; Vitanov, S.; Palankovski, V.; Quay, R.; Ambacher, O.
Zeitschriftenaufsatz
2010GaN devices for communication applications: Evolution of amplifier architectures
Schmid, U.; Reber, R.; Chartier, S.; Widmer, K.; Oppermann, M.; Heinrich, W.; Meliani, C.; Quay, R.; Maroldt, S.
Zeitschriftenaufsatz
2009A broadband 60-to-120 GHz single-chip MMIC multiplier chain
Abbasi, M.; Kozhuharov, R.; Kärnfelt, C.; Angelov, I.; Zirath, H.; Kallfass, I.; Leuther, A.
Konferenzbeitrag
2009Design of highly-efficient GaN x-band-power-amplifier MMICs
Kühn, J.; Raay, F. van; Quay, R.; Kiefer, R.; Maier, T.; Stibal, R.; Mikulla, M.; Seelmann-Eggebert, M.; Bronner, W.; Schlechtweg, M.; Ambacher, O.; Thumm, M.
Konferenzbeitrag
2009Joint calibration of frequency selective time variant I/Q-imbalance and modulator DC-offset error in broadband direct-conversion transmitters
Jian, L.; Kortke, A.; Keusgen, W.
Konferenzbeitrag
2009Single-chip frequency multiplier chains for millimeter-wave signal generation
Abbasi, M.; Kozhuharov, R.; Kärnfelt, C.; Angelov, I.; Kallfass, I.; Leuther, A.; Zirath, H.
Zeitschriftenaufsatz
2008Efficient AlGaN/GaN HEMT power amplifiers
Quay, R.; Raay, F. van; Kühn, J.; Kiefer, R.; Waltereit, P.; Zorcic, M.; Musser, M.; Bronner, W.; Dammann, M.; Seelmann-Eggebert, M.; Schlechtweg, M.; Mikulla, M.; Ambacher, O.; Thorpe, J.; Riepe, K.; Rijs, F. van; Saad, M.; Harm, L.; Rödle, T.
Konferenzbeitrag
2008GaN MMIC based T/R-module front-end for X-band applications
Schuh, P.; Sledzik, H.; Reber, R.; Fleckenstein, A.; Leberer, R.; Oppermann, M.; Quay, R.; Raay, F. van; Seelmann-Eggebert, M.; Kiefer, R.; Mikulla, M.
Konferenzbeitrag
2007GaN HEMT: Trends in civil and military circuit applications
Quay, R.; Raay, F. van; Tessmann, A.; Kiefer, R.; Dammann, M.; Mikulla, M.; Schlechtweg, M.; Weimann, G.
Konferenzbeitrag
2006Design and W-CDMA characterization of a wideband AlGaN/GaN HEMT power amplifier for future 3G multiband base station applications
Wiegner, D.; Seyfried, U.; Templ, W.; Naß, T.; Weber, S.; Wörner, S.; Dettmann, I.; Quay, R.; Raay, F. van; Walcher, H.; Seelmann-Eggebert, M.; Reiner, R.; Moritz, R.; Kiefer, R.
Konferenzbeitrag
2006GaN/AlGaN HEMT hybrid and MMIC microstrip power amplifiers on s.i. SiC substrate
Quay, R.; Kiefer, R.; Raay, F. van; Reiner, R.; Kappeler, O.; Müller, S.; Dammann, M.; Bronner, W.; Mikulla, M.; Schlechtweg, M.; Wiegner, D.; Seyfried, U.; Templ, W.; Weimann, G.
Zeitschriftenaufsatz
2006Two-stage GaN based multiband power amplifier for software defined radio applications
Naß, T.; Wiegner, D.; Seyfried, U.; Templ, W.; Weber, S.; Wörner, S.; Klose, P.; Quay, R.; Raay, F. van; Walcher, H.; Massler, H.; Seelmann-Eggebert, M.; Kappeler, O.; Kiefer, R.
Konferenzbeitrag
2005Ka-band AlGaN/GaN HEMT high power and driver amplifier MMICs
Heijningen, M. van; Vliet, F.E. van; Quay, R.; Raay, F. van; Kiefer, R.; Müller, S.; Krausse, D.; Seelmann-Eggebert, M.; Mikulla, M.; Schlechtweg, M.
Konferenzbeitrag
2005Metamorphic 94 GHz power amplifier MMICs
Tessmann, A.; Leuther, A.; Schwörer, C.; Massler, H.
Konferenzbeitrag
2005A microstrip X-band AlGaN/GaN power amplifier MMIC on s.i. SiC substrate
Raay, F. van; Quay, R.; Kiefer, R.; Fehrenbach, W.; Bronner, W.; Kuri, M.; Benkhelifa, F.; Massler, H.; Müller, S.; Mikulla, M.; Schlechtweg, M.; Weimann, G.
Konferenzbeitrag
2005Performance and fabrication of GaN/AlGaN power MMIC at 10 GHz
Benkhelifa, F.; Kiefer, R.; Müller, S.; Raay, F. van; Quay, R.; Sah, R.E.; Dammann, M.; Mikulla, M.; Weimann, G.
Konferenzbeitrag
2003AlGaN/GaN HEMTs on SiC: Towards power operation at V-band
Quay, R.; Tessmann, A.; Kiefer, R.; Weber, R.; Raay, F. van; Kuri, M.; Riessle, M.; Massler, H.; Müller, S.; Schlechtweg, M.; Weimann, G.
Konferenzbeitrag
2002Coplanar high performance MMICs in MHEMT and PHEMT technology for applications up to 100 GHz
Schwörer, C.; Tessmann, A.; Leich, M.; Leuther, A.; Kudszus, S.; Bessemoulin, A.; Schlechtweg, M.
Konferenzbeitrag
2002Large area AlGaN/GaN HEMTs grown on insulating silicon carbide substrates
Lossy, R.; Chaturvedi, N.; Würfl, J.; Müller, S.; Köhler, K.
Zeitschriftenaufsatz
2001Design of coplanar power amplifiers for millimeter-wave system applications including thermal aspects
Bessemoulin, A.; Marsetz, W.; Baeyens, Y.; Osorio, R.; Massler, H.; Hülsmann, A.; Schlechtweg, M.
Zeitschriftenaufsatz
2001High Speed Circuits based on HEMT Technology for Optical/Wireless Communication and Sensor Systems
Schlechtweg, M.
Konferenzbeitrag
20001-Watt Ka-Band coplanar high power MMIC amplifiers using 0.15 µm GaAs PHEMTs
Bessemoulin, A.; Massler, H.; Hülsmann, A.; Schlechtweg, M.
Konferenzbeitrag
2000Design of coplanar power amplifiers for MM-wave system applications including thermal aspects
Bessemoulin, A.; Marsetz, W.; Baeyens, Y.; Osorio, R.; Massler, H.; Hülsmann, A.; Schlechtweg, M.
Konferenzbeitrag
2000Ka-Band high-power and driver MMIC amplifiers using GaAs PHEMTs and coplanar waveguides
Bessemoulin, A.; Massler, H.; Hülsmann, A.; Schlechtweg, M.
Zeitschriftenaufsatz