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| 2010 | Development of rugged 2 GHz power bars delivering more than 100 W and 60% power added efficiency
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Mikulla, M.; Ambacher, O.; Harm, L.; Lorenzini, M.; Rödle, T.; Riepe, K.; Bellmann, K.; Buchheim, C.; Goldhahn, R. | Journal Article, Conference Paper |
| 2010 | Investigation of leakage current of AlGaN/GaN HEMTs under pinch-off condition by electroluminescence microscopy
Baeumler, M.; Gütle, F.; Polyakov, V.M.; Cäsar, M.; Dammann, M.; Konstanzer, H.; Pletschen, W.; Bronner, W.; Quay, R.; Waltereit, P.; Mikulla, M.; Ambacher, O.; Bourgeois, F.; Behtash, R.; Riepe, K.J.; Wel, P.J. van der; Klappe, J.; Rödle, T. | Journal Article |
| 2010 | Reliability status of GaN transistors and MMICs in Europe
Dammann, M.; Cäsar, M.; Konstanzer, H.; Waltereit, P.; Quay, R.; Bronner, W.; Kiefer, R.; Müller, S.; Mikulla, M.; Wel, P.J. van der; Rödle, T.; Bourgeois, F.; Riepe, K. | Conference Paper |
| 2009 | Development of AlGaN/GaN HEMTS with efficiencies above 60% up to 100 V for next generation mobile communication 100 W power bars
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Musser, M.; Mikulla, M.; Ambacher, O.; Rijs, F. van; Rödle, T.; Riepe, K. | Conference Paper, Journal Article |
| 2009 | GaN HEMT and MMIC development at Fraunhofer IAF: Performance and reliability
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Kiefer, R.; Müller, S.; Musser, M.; Kühn, J.; Raay, F. van; Seelmann-Eggebert, M.; Mikulla, M.; Ambacher, O.; Rijs, F. van; Rödle, T.; Riepe, K. | Journal Article |
| 2009 | Reliability and degradation mechanism of AlGaN/GaN HEMTs for next generation mobile communication systems
Dammann, M.; Pletschen, W.; Waltereit, P.; Bronner, W.; Quay, R.; Müller, S.; Mikulla, M.; Ambacher, O.; Wel, P.J. van der; Murad, S.; Rödle, T.; Behtash, R.; Bourgeois, F.; Riepe, K.; Fagerlind, M.; Sveinbjörnsson, E.Ö. | Journal Article, Conference Paper |
| 2009 | Reliability of AlGaN/GaN HEMTs under DC- and RF-operation
Dammann, Michael; Cäsar, M.; Waltereit, Patrick; Bronner, Wolfgang; Konstanzer, Helmer; Quay, Rüdiger; Müller, Stefan; Mikulla, Michael; Ambacher, O.; Wel, P. van der; Rödle, T.; Behtash, R.; Bourgeois, F.; Riepe, K. | Conference Paper |
| 2008 | Efficient 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. | Conference Paper |
| 2008 | High-efficiency, high-breakdown AlGaN/GaN HEMTs with lifetimes beyond 20 years
Waltereit, P.; Bronner, W.; Quay, R.; Dammann, M.; Müller, S.; Mikulla, M.; Rijs, F. van; Rödle, T.; Riepe, K. | Conference Paper |
| 2008 | Reliability and degradation mechanism of AlGaN/GaN HEMTs for next generation mobile communication systems
Dammann, M.; Pletschen, W.; Waltereit, P.; Bronner, W.; Quay, R.; Müller, S.; Mikulla, M.; Ambacher, O.; Wel, P.J. van der; Murad, S.; Rödle, T.; Behtash, R.; Bourgeois, F.; Riepe, K.; Fagerlind, M.; Sveinbjörnsson, E.Ö. | Conference Paper |
| 2005 | W-band flip-chip VCO in thin-film environment
Töpper, M.; Schmückle, F.J.; Lenk, F.; Hutter, M.; Klein, M.; Oppermann, H.; Engelmann, G.; Riepe, K.; Heinrich, W. | Conference Paper |
| 1994 | 35-40 GHz monolithic VCO's utilizing high-speed GaInP/GaAs HBT's
Riepe, K.; Leier, H.; Marten, A.; Güttich, U.; Dieudonne, J.M.; Bachem, K.H. | Journal Article |
| 1994 | K-band dielectric resonator oscillator using a GaInP/GaAs HBT
Güttich, U.; Leier, H.; Marten, A.; Riepe, K.; Pletschen, W.; Bachem, K.H. | Conference Paper |