Oliver Ambacher

Michael Schlechtweg, Axel Tessmann, Axel Hülsmann, Ingmar Kallfass, Arnulf Leuther, Rolf Aidam, Christian Zech, Ulrich J. Lewark, Hermann Massler, Markus Riessle, Martin Zink, Josef Rosenzweig, Oliver Ambacher: Millimeter-Wave Monolithic Integrated Circuits and Modules for Safety and Security Applications. Future Security 2012: 200-211

Ernst Weissbrodt, Axel Tessmann, Michael Schlechtweg, Ingmar Kallfass, Oliver Ambacher: Active load modules for W-band radiometer calibration. IGARSS 2012: 2945-2948

Axel Tessmann, Arnulf Leuther, Volker Hurm, Ingmar Kallfass, Hermann Massler, Michael Kuri, Markus Riessle, Martin Zink, Rainer Lösch, Matthias Seelmann-Eggebert, Matthias Schlechtweg, Oliver Ambacher: Metamorphic HEMT MMICs and Modules Operating Between 300 and 500 GHz. J. Solid-State Circuits 46(10): 2193-2202 (2011)

M. Cäsar, M. Dammann, V. Polyakov, Patrick Waltereit, Rüdiger Quay, Michael Mikulla, Oliver Ambacher: Critical factors influencing the voltage robustness of AlGaN/GaN HEMTs. Microelectronics Reliability 51(2): 224-228 (2011)

Ernst Weissbrodt, Ingmar Kallfass, Axel Hülsmann, Axel Tessmann, Arnulf Leuther, Hermann Massler, Oliver Ambacher: W-band radiometer system with switching front-end for multi-load calibration. IGARSS 2011: 3843-3846

Stephan Maroldt, Dirk Wiegner, Stanislav Vitanov, Vassil Palankovski, Rüdiger Quay, Oliver Ambacher: Efficient AlGaN/GaN Linear and Digital-Switch-Mode Power Amplifiers for Operation at 2 GHz. IEICE Transactions 93-C(8): 1238-1244 (2010)

M. Dammann, W. Pletschen, Patrick Waltereit, W. Bronner, Rüdiger Quay, S. Müller, Michael Mikulla, Oliver Ambacher, P. J. van der Wel, S. Murad, T. Rödle, R. Behtash, F. Bourgeois, K. Riepe, M. Fagerlind, E. Ö. Sveinbjörnsson: Reliability and degradation mechanism of AlGaN/GaN HEMTs for next generation mobile communication systems. Microelectronics Reliability 49(5): 474-477 (2009)