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| 2021 | Development and evaluation of a GaAs based 300 GHz module
Dyck, Alexander
: Backofen, Rolf; Ambacher, Oliver; Kallfass, Ingmar | Dissertation |
| 2021 | Monolithic integrated AlGaN/GaN power converter topologies on high-voltage AlN/GaN superlattice buffer
Mönch, Stefan; Müller, Stefan; Reiner, Richard; Waltereit, Patrick; Czap, Heiko; Basler, Michael; Hückelheim, Jan; Kirste, Lutz; Kallfass, Ingmar; Quay, Rüdiger; Ambacher, Oliver | Journal Article |
| 2021 | PCB-Embedded GaN-on-Si Half-Bridge and Driver ICs with On-Package Gate and DC-Link Capacitors
Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Benkhelifa, Fouad; Hückelmheim, Jan; Meder, Dirk; Zink, Martin; Kaden, Thomas; Noll, Stefan; Mansfeld, Sebastian; Mingirulli, Nicola; Quay, Rüdiger; Kallfass, Ingmar | Journal Article |
| 2021 | A Three Stage Gain Cell Topology with an Active Ultra-Wideband Input Matching in H-Band
Gatzastras, Athanasios; Massler, Hermann; Leuther, Arnulf; Chartier, Sebastian; Kallfass, Ingmar | Conference Paper |
| 2020 | A 600 V p-GaN gate HEMT with intrinsic freewheeling schottky-diode in a GaN power IC with bootstrapped driver and sensors
Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Müller, Stefan; Quay, Rüdiger; Ambacher, Oliver; Kallfass, Ingmar | Conference Paper |
| 2020 | A 600V GaN-on-Si power IC with integrated gate driver, freewheeling diode, temperature and current sensors and auxiliary devices
Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Hückelheim, Jan; Meder, Dirk; Quay, Rüdiger; Ambacher, Oliver; Kallfass, Ingmar | Conference Paper |
| 2020 | A compact 281-319 GHz low-power downconverter MMIC for superheterodyne communication receivers
Grötsch, Christopher M.; Dan, Iulia; John, Laurenz; Wagner, Sandrine; Kallfass, Ingmar | Journal Article |
| 2020 | Development and evaluation of a GaAs based 300 GHz module
Dyck, Alexander
: Ambacher, Oliver (Gutachter); Kallfass, Ingmar (Gutachter) | Dissertation |
| 2020 | E-band balanced broadband driver amplifier MMIC with 1.8 THz gain-bandwidth product
Schoch, Benjamin; Tessmann, Axel; Wagner, Sandrine; Kallfass, Ingmar | Conference Paper |
| 2020 | A GaN-based currrent sense amplifier for GaN HEMTs with integrated current shunts
Basler, Michael; Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Quay, Rüdiger; Kallfass, Ingmar; Ambacher, Oliver | Conference Paper |
| 2020 | Large-area lateral AlGaN/GaN-on-Si field-effect rectifier with low turn-on voltage
Basler, Michael; Reiner, Richard; Mönch, Stefan; Waltereit, Patrick; Quay, Rüdiger; Kallfass, Ingmar; Ambacher, Oliver | Journal Article |
| 2020 | Monolithic integration of inductive components in a GaN-on-Si technology
Basler, Michael; Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Quay, Rüdiger; Kallfass, Ingmar; Ambacher, Oliver | Conference Paper |
| 2020 | Monolithic millimeter-wave integrated circuits for low-power wireless communication systems with high data rates
Thome, Fabian
: Ambacher, Oliver (Referent); Kallfass, Ingmar (Referent) | Dissertation |
| 2020 | Monolithic Millimeter-Wave Integrated Circuits for Low-Power Wireless Communication Systems with High Data Rates
Thome, Fabian
: Bast, H.; Ambacher, Oliver; Kallfass, Ingmar | Dissertation |
| 2020 | Static and dynamic characterization of a monolithic integrated temperature sensor in a 600 V GaN Power IC
Koch, Dominik; Mönch, Stefan; Reiner, Richard; Hückelheim, Jan; Munoz Baron, Kevin; Waltereit, Patrick; Kallfass, Ingmar | Conference Paper |
| 2019 | 260 GHz broadband power amplifier MMIC
Schoch, Benjamin; Tessmann, Axel; Leuther, Arnulf; Wagner, Sandrine; Kallfass, Ingmar | Conference Paper |
| 2019 | 300 GHz broadband power amplifier with 508 GHz gain-bandwidth product and 8 dBm output power
Schoch, Benjamin; Tessmann, Axel; Leuther, Arnulf; Wagner, Sandrine; Kallfass, Ingmar | Conference Paper |
| 2019 | A 300GHz quadrature down-converter S-MMIC for future terahertz communication
Dan, Iulia; Grötsch, Christopher M.; Schoch, Benjamin; Wagner, Sandrine; John, Laurenz; Tessmann, Axel; Kallfass, Ingmar | Conference Paper |
| 2019 | An active gate-pumped transconductance upconverter for terahertz frequencies
Grötsch, Christopher M.; Wagner, Sandrine; Kallfass, Ingmar | Conference Paper |
| 2019 | Asymmetrical substrate-biasing effects at up to 350V operation of symmetrical monolithic normally-off GaN-on-Si half-bridges
Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Meder, Dirk; Basler, Michael; Quay, Rüdiger; Ambacher, Oliver; Kallfass, Ingmar | Conference Paper |
| 2019 | A compact resistive quadrature low noise Ka-band VCO SiGe HBT MMIC
Dyskin, Aleksey; Wagner, Sandrine; Kallfass, Ingmar | Conference Paper |
| 2019 | A dual-gate downconverter for H-band employing an active load
Grötsch, Christopher M.; Wagner, Sandrine; John, Laurenz; Kallfass, Ingmar | Conference Paper |
| 2019 | A GaN-on-Si-based logic, driver and DC-DC converter circuit with closed-loop peak current-mode control
Basler, Michael; Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Quay, Rüdiger; Kallfass, Ingmar; Ambacher, Oliver | Conference Paper |
| 2019 | A highly linear FMCW radar chipset in H-band with 50 GHz bandwidth
Grötsch, Christopher M.; Schoch, Benjamin; Wagner, Sandrine; Kallfass, Ingmar | Conference Paper |
| 2019 | Integrated current sensing in GaN power ICs
Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Quay, Rüdiger; Ambacher, Oliver; Kallfass, Ingmar | Conference Paper |
| 2019 | A pseudo-complementary GaN-based gate driver with Reduced Static Losses
Basler, Michael; Mönch, Stefan; Reiner, Richard; Waltereit, Patrick; Quay, Rüdiger; Kallfass, Ingmar; Ambacher, Oliver | Conference Paper |
| 2018 | An active multiplier-by-six S-MMIC for 500 GHz
Grötsch, Christopher M.; Massler, Hermann; Leuther, Arnulf; Kallfass, Ingmar | Conference Paper |
| 2018 | Bandwidth Optimization Method for Reflective-Type Phase Shifters
Müller, D.; Haag, A.; Bhutani, A.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Journal Article |
| 2018 | C-V characterization technique for four-terminal GaN-on-Si HEMTs based on 3-port S-parameter measurements
Salcines, Cristino; Mönch, Stefan; Spudic, Boris; Kallfass, Ingmar | Conference Paper |
| 2018 | Crosstalk analysis and correction in on-wafer measurements at WR-3 band frequencies
Müller, Daniel; Boes, F.; Tessmann, Axel; Leuthner, Arnulf; Zwick, Thomas; Kallfass, Ingmar | Conference Paper |
| 2018 | Entwurf und Charakterisierung monolithischintegrierter Logikschaltungen basierend auf einer lateralen 600 V GaN-on-Si Technologie
Basler, Michael
: Kallfass, Ingmar (1. Prüfer); Quay, Rüdiger (2. Prüfer) | Master Thesis |
| 2018 | A high-efficiency broadband WR3 bond wire on-chip antenna
Müller, D.; Schäfer, J.; Lipp, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2018 | Impact of ground via placement in on-wafer contact pad design up to 325 GHz
Müller, Daniel; Schäfer, Jochen; Massler, Hermann; Ohlrogge, Matthias; Zwick, Thomas; Kallfass, Ingmar | Journal Article |
| 2018 | Instabilities by parasitic substrate-loop of GaN-on-Si HEMTs in half-bridges
Mönch, Stefan; Weiss, Beatrix; Reiner, Richard; Waltereit, Patrick; Quay, Rüdiger; Ambacher, Oliver; Kallfass, Ingmar | Conference Paper |
| 2018 | A novel unit cell for active switches in the millimeter-wave frequency range
Müller, Daniel; Scherer, Gunnar; Lewark, Ulrich J.; Massler, Hermann; Wagner, Sandrine; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas; Kallfass, Ingmar | Journal Article |
| 2018 | Towards highly-integrated high-voltage multi-MHz GaN-on-Si power ICs and modules
Moench, S.; Reiner, R.; Weiss, B.; Waltereit, P.; Quay, R.; Kaden, T.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2018 | Ultra-broadband frequency multiplier MMICs for communication and radar applications
Grötsch, Christopher; Wagner, Sandrine; Leuther, Arnulf; Meier, Dominik; Kallfass, Ingmar | Conference Paper |
| 2018 | A WR3-Band 2-bit Phase Shifter Based on Active SPDT Switches
Müller, Daniel; Pahl, Philipp; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas; Kallfass, Ingmar | Journal Article |
| 2017 | A 200-300 GHz 1:2 active power divider MMIC
Müller, D.; Fink, M.; Eisenbeis, J.; Massler, Hermann; Tessmann, Axel; Leuther, Arnulf; Zwick, T.; Kallfass, Ingmar | Conference Paper |
| 2017 | A 220-260 GHz medium power variable gain amplifier MMIC with low phase variation
Müller, Daniel; Fink, M.; Vangerow, Christine von; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas; Kallfass, Ingmar | Conference Paper |
| 2017 | A 300 GHz MMIC-based quadrature receiver for wireless terahertz communications
Dan, Iulia; Schoch, Benjamin; Eren, Gülesin; Wagner, Sandrine; Leuther, Arnulf; Kallfass, Ingmar | Conference Paper |
| 2017 | Design and characterization of highly-efficient GaN-HEMTs for power applications
Reiner, Richard
: Ambacher, Oliver (Referent); Kallfass, Ingmar (Referent); Quay, Rüdiger (Betreuer) | Dissertation |
| 2017 | E-band downlink wireless data transmission for future satellite communication
Harati, Parisa; Rosello, Enoc; Dan, Iulia; Bammidi, E.R.; Eisenbeis, Jörg; Tessmann, Axel; Schwantuschke, Dirk; Henneberger, Ralf; Kallfass, Ingmar | Conference Paper |
| 2017 | Effect of substrate termination on switching loss and switching time using 600 V GaN-on-Si HEMTs with integrated gate driver in half-bridges
Mönch, Stefan; Reiner, Richard; Weiss, Beatrix; Waltereit, Patrick; Quay, Rüdiger; Ambacher, Oliver; Kallfass, Ingmar | Conference Paper |
| 2017 | Efficiency optimized distributed transformers for broadband monolithic millimeter-wave integrated power amplifier circuits
Pahl, Philipp; Wagner, Sandrine; Massler, Hermann; Leuther, Arnulf; Kallfass, Ingmar; Zwick, Thomas | Journal Article |
| 2017 | Electromagnetic field simulation of MMICs including RF probe tips
Müller, Daniel; Schäfer, Jochen; Geenen, D.; Massler, Hermann; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas; Kallfass, Ingmar | Conference Paper |
| 2017 | Impact of modulation type and baud rate on a 300 GHz fixed wireless link
Dan, I.; Rey, S.; Merkle, T.; Kürner, T.; Kallfass, I. | Conference Paper |
| 2017 | Is E-Band Satellite Communication Viable?: Advances in Modern Solid-State Technology Open Up the Next Frequency Band for SatCom
Harati, Parisa; Schoch, Benjamin; Tessmann, Axel; Schwantuschke, Dirk; Henneberger, Ralf; Czekala, Harald; Zwick, Thomas; Kallfass, Ingmar | Journal Article |
| 2017 | Multi-gigabit high-range fixed wireless links at high millimeterwave carrier frequencies
Kallfass, Ingmar; Antes, Jochen; Tessmann, Axel; Zwick, Thomas; Henneberger, Ralf | Conference Paper |
| 2017 | On-chip post-production tuning of I/Q frequency converters using adjustable coupler terminations
Grötsch, Christopher; Tessmann, Axel; Wagner, Sandrine; Kallfass, Ingmar | Conference Paper |
| 2017 | Quad-channel beam switching WR3-band transmitter MMIC
Müller, Daniel; Gülesin, Eren; Wagner, Sandrine; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas; Kallfass, Ingmar | Conference Paper |
| 2017 | Testbed for phased array communications from 275 to 325 GHz
Merkle, Thomas; Tessmann, Axel; Kuri, Michael; Wagner, Sandrine; Leuther, Arnulf; Rey, Sebastian; Zink, Martin; Stulz, Hans-Peter; Rießle, Markus; Kallfass, Ingmar; Kürner, Thomas | Conference Paper |
| 2017 | Ultra-wideband quadrature receiver-MMIC for 240 GHz high data rate communication
Grötsch, Christopher; Tessmann, Axel; Leuther, Arnulf; Kallfass, Ingmar | Conference Paper |
| 2017 | A WR3-band reflective-type phase shifter MMIC with integrated amplifier for error- and loss compensation
Müller, Daniel; Beck, A.; Massler, Hermann; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas; Kallfass, Ingmar | Conference Paper |
| 2016 | Active electronic loads for radiometric calibration
Weissbrodt, E.
: Kallfass, I. (Referent); Dambrine, G. | Dissertation |
| 2016 | Active single pole double throw switches for D-band applications
Müller, D.; Lewark, U.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2016 | E-band transmitter with 29 dBm RF power for satellite communication
Harati, P.; Tessmann, A.; Schwantuschke, D.; Henneberger, R.; Kallfass, I. | Conference Paper |
| 2016 | GaN-based E-band power amplifier modules
Schwantuschke, D.; Henneberger, R.; Wagner, S.; Tessmann, A.; Kallfass, I.; Brueckner, P.; Quay, R.; Ambacher, O. | Conference Paper |
| 2016 | Modeling of dispersive millimeter-wave GaN HEMT devices for high power amplifier design
Schwantuschke, Dirk
: Kallfass, I. (Betreuer); Ambacher, Oliver (Hrsg.) | Dissertation |
| 2016 | Single-input GaN gate driver based on depletion-mode logic integrated with a 600 V GaN-on-Si power transistor
Mönch, S.; Kallfass, I.; Reiner, R.; Weiss, B.; Waltereit, P.; Quay, R.; Ambacher, O. | Conference Paper |
| 2015 | A 300 GHz multi-stage balanced variable gain amplifier with Tandem-X couplers
Dan, I.; Meier, D.; Wagner, S.; Leuther, A.; Tessmann, A.; Massler, H.; Kallfass, I. | Conference Paper |
| 2015 | A 50 to 146 GHz power amplifier based on magnetic transformers and distributed gain cells
Pahl, P.; Wagner, S.; Massler, H.; Diebold, S.; Leuther, A.; Kallfass, I.; Zwick, T. | Journal Article |
| 2015 | 64 Gbit/s transmission over 850 m fixed wireless link at 240 GHz carrier frequency
Kallfass, I.; Boes, F.; Messinger, T.; Antes, J.; Inam, A.; Lewark, U.J.; Tessmann, A.; Henneberger, R. | Journal Article |
| 2015 | Broadband Transceiver Circuits for Millimeter-Wave Wireless Communication
Lopez-Diaz, Daniel
: Ambacher, Oliver (Ed.); Kallfass, I. (Betreuer) | Dissertation |
| 2015 | D-Band digital phase shifters for phased-array applications
Müller, D.; Diebold, S.; Reiss, S.; Massler, H.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2015 | Divide-by-8 phase detector MMIC for PLL-based carrier recovery in E-band communication
Messinger, T.; Müller, D.; Antes, J.; Wagner, S.; Tessmann, A.; Kallfass, I. | Conference Paper |
| 2015 | Experimental validation of heavy rain attenuation in E-band based on climate wind tunnel measurements at 77 GHz
Lewark, U.J.; Mahler, T.; Antes, J.; Boes, F.; Tessmann, A.; Hennenberger, R.; Kallfass, I.; Zwick, T. | Journal Article |
| 2015 | A H-band vector modulator MMIC for phase-shifting applications
Müller, D.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2015 | LO spur suppression effect on ultra wideband transceiver performance for QPSK modulation format
Harati, P.; Boes, F.; Antes, J.; Tessmann, A.; Kallfass, I. | Conference Paper |
| 2015 | MMIC chipset for 300 GHz indoor wireless communication
Kallfass, I.; Harati, P.; Dan, I.; Antes, J.; Boes, F.; Rey, S.; Merkle, T.; Wagner, S.; Massler, H.; Tessmann, A.; Leuther, A. | Conference Paper |
| 2015 | Modeling of dispersive millimeter-wave GaN HEMT devices for high power amplifier design
Schwantuschke, D.
: Kallfass, I. (Referent); Ambacher, O. (Referent) | Dissertation |
| 2015 | Monolithic integrated quasi-normally-off gate driver and 600 V GaN-on-Si HEMT
Mönch, S.; Costa, M.; Barner, A.; Kallfass, I.; Reiner, R.; Weiss, B.; Waltereit, P.; Quay, R.; Ambacher, O. | Conference Paper |
| 2015 | Multi-gigabit e-band wireless data transmission
Boes, F.; Antes, J.; Messinger, T.; Meier, D.; Henneberger, R.; Tessmann, A.; Kallfass, I. | Conference Paper |
| 2015 | Multi-gigabit millimeter-wave wireless communication in realistic transmission environments
Antes, J.; Boes, F.; Messinger, T.; Lewark, U.J.; Mahler, T.; Tessmann, A.; Henneberger, R.; Zwick, T.; Kallfass, I. | Journal Article |
| 2015 | Multi-level 20 Gbit/s PSSS transmission using a linearity-limited 240 GHz wireless frontend
Messinger, T.; KrishneGowda, K.; Boes, F.; Meier, D.; Wolf, A.; Tessmann, A.; Kraemer, R.; Kallfass, I. | Conference Paper |
| 2015 | A novel 1 x 4 coupler for compact and high-gain power amplifier MMICs around 250 GHz
Diebold, S.; Wagner, Sandrine; Massler, Hermann; Pahl, P.; Leuther, Arnulf; Tessmann, Axel; Zwick, T.; Kallfass, Ingmar | Journal Article |
| 2015 | Performance comparison of raised cosine shaped and rectangular pulsed signals in E-band wireless communication systems
Boes, F.; Antes, J.; Meier, D.; Messinger, T.; Müller, D.; Henneberger, R.; Tessmann, A.; Kallfass, I. | Conference Paper |
| 2015 | Quasi-normally-off GaN gate driver for high slew-rate d-mode GaN-on-Si HEMTs
Mönch, S.; Costa, M.; Barner, A.; Kallfass, I.; Reiner, R.; Weiss, B.; Waltereit, P.; Quay, R.; Ambacher, O. | Conference Paper |
| 2015 | Towards MMIC-based 300 GHz indoor wireless communication systems
Kallfass, I.; Dan, J.; Rey, S.; Harati, P.; Antes, J.; Tessmann, A.; Wagner, S.; Kuri, M.; Weber, R.; Massler, H.; Leuther, A.; Merkle, T.; Kürner, T. | Journal Article |
| 2015 | Ultra-broadband W-band frequency multiplier-by-twelve MMIC
Lewark, U.J.; John, L.; Wagner, S.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2015 | Wideband 200 GHz injection-locked frequency divide-by-two MMIC in GaAs mHEMT technology
Messinger, T.; Antes, J.; Wagner, S.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2014 | 20 Gbit/s wireless bridge at 220 GHz connecting two fiber-optic links
Koenig, S.; Antes, J.; Lopez-Diaz, D.; Schmogrow, R.; Zwick, T.; Koos, C.; Freude, W.; Leuthold, J.; Kallfass, I. | Journal Article |
| 2014 | A 220 to 320 GHz broadband active frequency multiplier-by-eight MMIC
Lewark, U.J.; Tessmann, A.; Wagner, S.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2014 | An active 60-90 GHz single pole double throw switch MMIC
Dyskin, A.; Wagner, S.; Ritter, D.; Kallfass, I. | Journal Article |
| 2014 | Active 600 GHz frequency multiplier-by-Six S-MMICs for submillimeter-wave generation
Lewark, U.J.; Zwick, T.; Tessmann, A.; Massler, H.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2014 | Backside process free broadband amplifier MMICs at D-band and H-band in 20 nm mHEMT technology
Merkle, T.; Leuther, A.; Koch, S.; Kallfass, I.; Tessmann, A.; Wagner, S.; Massler, H.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2014 | Broadband transceiver circuits for millimeter-wave wireless communication
Lopez-Diaz, D.
: Kallfass, I. (Referent) | Dissertation |
| 2014 | A compact in-situ cryogenic noise measurement system for characterization of low noise amplifiers
Bruch, D.
: Kallfass, I.; Seelmann-Eggebert, M. (Betreuer) | Dissertation |
| 2014 | A D-band 180° phase shifter with very low amplitude- and phase-error
Müller, D.; Längst, J.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2014 | Design and evaluation of realizable and compact low-impedance transmission lines for two top-metal-layer semiconductor processes
Pahl, P.; Diebold, S.; Krause, S.; Gulan, H.; Pauli, M.; Massler, H.; Leuther, A.; Kallfass, I.; Zwick, T. | Conference Paper |
| 2014 | Experimental validation of adverse weather effects on a 240 GHz multi-gigabit wireless link
Boes, F.; Antes, J.; Mahler, T.; Lewark, U.J.; Meier, D.; Messinger, T.; Henneberger, R.; Tessmann, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2014 | A H-Band reflective-type phase shifter MMIC for ISM-band applications
Müller, D.; Reiss, S.; Massler, H.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2014 | High linearity active GaN-HEMT down-converter MMIC for E-band radar applications
Kallfass, I.; Eren, G.; Weber, R.; Wagner, S.; Schwantuschke, D.; Quay, R.; Ambacher, O. | Conference Paper |
| 2014 | Implementation of a 35 GHz SAR sensor and a high resolution camera to enable real-time observation
Johannes, Winfried; Stanko, Stephan; Wahlen, Alfred; Sommer, Rainer; Pohl, Nils; Wellig, Peter; Sennhauser, Christian; Meier, Erich; Kallfass, Ingmar | Conference Paper |
| 2014 | Low noise amplifier MMICs for 325 GHz radiometric applications
Diebold, S.; Kühn, J.; Hülsmann, A.; Leuther, A.; Dahlberg, K.; Jukkala, P.; Kantanen, M.; Kallfass, I.; Zwick, T.; Närhi, T. | Conference Paper |
| 2014 | A miniaturized unit cell for ultra-broadband active millimeter-wave frequency multiplication
Lewark, U.J.; Diebold, S.; Wagner, S.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Journal Article |
| 2014 | MMIC-based module-level frequency generation for e-band communication systems
Lewark, U.J.; Antes, J.; Kuri, M.; Henneberger, R.; Tessmann, A.; Wagner, S.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2014 | Multi-gigabit data transmission at 240 GHz with complex baseband power detection
Lopez-Diaz, D.; König, S.; Tessmann, A.; Boes, F.; Antes, J.; Kallfass, I.; Kurz, F.; Poprawa, F.; Henneberger, R. | Conference Paper |
| 2014 | Multi-gigabit data transmission at 240 GHz with complex baseband power detection
Lopez-Diaz, D.; König, S.; Tessmann, A.; Boes, F.; Antes, J.; Kallfass, I.; Kurz, F.; Poprawa, F.; Henneberger, R. | Conference Paper |
| 2014 | Multi-gigabit data transmission using MMIC-based E-band frontends
Antes, J.; Boes, F.; Meier, D.; Lewark, U.; Tessmann, A.; Leuther, A.; Henneberger, R.; Kallfass, I. | Conference Paper |
| 2014 | Q- and E-band amplifier MMICs for satellite communication
Schwantuschke, D.; Aja, B.; Seelmann-Eggebert, M.; Quay, R.; Leuther, A.; Brueckner, P.; Schlechtweg, M.; Mikulla, M.; Kallfass, I.; Ambacher, O. | Conference Paper |
| 2014 | Ultra-broadband MMIC-based wireless link at 240 GHz enabled by 64 GS/s DAC
Boes, F.; Messinger, T.; Antes, J.; Meier, D.; Tessmann, A.; Inam, A.; Kallfass, I. | Conference Paper |
| 2014 | Ultra-wideband single-balanced transmitter-MMIC for 300 GHz communication systems
Antes, J.; Boes, F.; Meier, D.; Messinger, T.; Lewark, U.J.; Tessmann, A.; Wagner, S.; Kallfass, I. | Conference Paper |
| 2014 | A W-band monolithic integrated active hot and cold noise source
Diebold, S.; Weissbrodt, E.; Massler, H.; Leuther, A.; Tessmann, A.; Kallfass, I. | Journal Article |
| 2014 | Wireless communications on THz carriers takes shape
Freude, W.; König, S.; Lopez-Diaz, D.; Antes, J.; Boes, F.; Henneberger, R.; Leuther, A.; Tessmann, A.; Schmogrow, R.; Hillerkuss, D.; Palmer, R.; Zwick, T.; Koos, C.; Ambacher, O.; Leuthold, J.; Kallfass, I. | Conference Paper |
| 2014 | Wireless sub-THz communication system with high data rate enabled by RF photonics and active MMIC technology
Koenig, S.; Lopez-Diaz, D.; Antes, J.; Boes, F.; Henneberger, R.; Leuther, A.; Tessmann, A.; Schmogrow, R.; Hillerkuss, D.; Palmer, R.; Zwick, T.; Koos, C.; Freude, W.; Ambacher, O.; Leuthold, J.; Kallfass, I. | Conference Paper |
| 2013 | 100 Gbit/s wireless link with mm-wave photonics
König, S.; Boes, F.; Lopez-Diaz, D.; Antes, J.; Henneberger, R.; Schmogrow, R.; Hillerkuss, D.; Palmer, R.; Zwick, T.; Koos, C.; Freude, W.; Ambacher, O.; Kallfass, I.; Leuthold, J. | Conference Paper |
| 2013 | A 240 GHz quadrature receiver and transmitter for data transmission up to 40 Gbit/s
Lopez-Diaz, D.; Tessmann, A.; Leuther, A.; Wagner, S.; Schlechtweg, M.; Ambacher, O.; Koenig, S.; Antes, J.; Boes, F.; Kurz, F.; Henneberger, R.; Kallfass, I. | Conference Paper |
| 2013 | A 440 GHz balanced active frequency multiplier-by-four SMMIC
Lewark, U.J.; Theveneau, H.; Tessmann, A.; Massler, H.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2013 | A 65 - 100 GHz impedance transforming hybrid coupler for a V- /W-Band AlGaN/GaN MMIC
Pahl, P.; Diebold, S.; Schwantuschke, D.; Wagner, S.; Lozar, R.; Quay, R.; Kallfass, I.; Zwick, T. | Conference Paper |
| 2013 | A 65 - 100 GHz impedance transforming hybrid coupler for a V- /W-band AlGaN/GaN MMIC
Pahl, P.; Diebold, S.; Schwantuschke, D.; Wagner, S.; Lozar, R.; Quay, R.; Kallfass, I.; Zwick, T. | Conference Paper |
| 2013 | A 67 GHz GaN voltage-controlled oscillator MMIC with high output power
Weber, R.; Schwantuschke, D.; Brueckner, P.; Quay, R.; Mikulla, M.; Ambacher, O.; Kallfass, I. | Journal Article |
| 2013 | An active 600 GHz frequency multiplier-by-Six S-MMIC
Lewark, U.J.; Tessmann, A.; Massler, H.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2013 | AlGaN/GaN-based variable gain amplifiers for W-band operation
Diebold, S.; Müller, D.; Schwantuschke, D.; Wagner, S.; Quay, R.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2013 | An asymmetrical 60-90 GHz single-pole double throw switch MMIC
Dyskin, A.; Peleg, N.; Wagner, S.; Ritter, D.; Kallfass, I. | Conference Paper |
| 2013 | Balanced medium power amplifier MMICs from 200 to 270 GHz
Längst, J.; Diebold, S.; Massler, H.; Wagner, S.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2013 | Broadband absorption and emission millimeter-wave spectroscopy between 220 and 325 GHz
Szymkiewicz, M.; Hülsmann, A.; Tessmann, A.; Schlechtweg, M.; Leuther, A.; Ambacher, O.; Koch, S.; Riedel, M.; Kallfass, I. | Conference Paper |
| 2013 | A broadband amplifier MMIC with 105 to 140 GHz bandwidth
Diebold, S.; Pahl, P.; Wagner, S.; Massler, H.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2013 | Characterization of a DC to 40 GHz SPDT switch based on GaAs mHEMT technology at cryogenic temperature
Baldischweiler, B.; Bruch, D.; Kallfass, I.; Seelmann-Eggebert, M.; Leuther, A.; Peschel, D.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2013 | Compact 110-170 GHz amplifier in 50 nm mHEMT technology with 25 dB gain
Merkle, T.; Koch, S.; Leuther, A.; Seelmann-Eggebert, M.; Massler, H.; Kallfass, I. | Conference Paper |
| 2013 | Comparison of two W-band low-noise amplifier MMICs with ultra low power consumption based on 50 nm InGaAs mHEMT technology
Thome, F.; Massler, H.; Wagner, S.; Leuther, A.; Kallfass, I.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2013 | A fully scalable compact small-signal modeling approach for 100 nm AlGaN/GaN HEMTs
Schwantuschke, D.; Seelmann-Eggebert, M.; Brueckner, P.; Quay, R.; Mikulla, M.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2013 | Millimeter- and submillimeter-wave monolithic integrated circuits based on metamorphic HEMT technology for sensors and communication
Schlechtweg, M.; Tessmann, A.; Leuther, A.; Massler, H.; Wagner, S.; Aidam, R.; Rosenzweig, J.; Ambacher, O.; Kallfass, I.; Lewark, U.J.; Sommer, R.; Wahlen, A.; Stanko, S.; Ender, J. | Conference Paper |
| 2013 | Molecular spectroscopy with a compact 557 GHz heterodyne receiver
Neumaier, P.; Richter, H.; Hübers, H.-W.; Stake, J.; Zhao, H.; Tang, A.-Y.; Drakinskiy, V.; Sobis, P.; Pellikka, T.; Emrich, A.; Hülsmann, A.; Tessmann, A.; Leuther, A.; Johansen, T.; Bryllert, T.; Hanning, J.; Yan, L.; Krozer, V.; Kallfass, I. | Conference Paper |
| 2013 | Performance comparison for millimeter-wave single-pole double throw switches
Dyskin, A.; Wagner, S.; Ritter, D.; Kallfass, I. | Conference Paper |
| 2013 | Probe based antenna measurements up to 325 GHz for upcoming millimeter-wave applications
Gulan, H.; Beer, S.; Diebold, S.; Rusch, C.; Leuther, A.; Kallfass, I.; Zwick, T. | Conference Paper |
| 2013 | Signal generation and amplification up to 600 GHz using metamorphic HEMT technology
Lewark, U.J.; Tessmann, A.; Leuther, A.; Zwick, T.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2013 | Terahertz monolithic integrated circuits based on metamorphic HEMT technology for sensors and communication
Tessmann, A.; Schlechtweg, M.; Bruch, D.; Lewark, U.J.; Leuther, A.; Massler, H.; Wagner, S.; Seelmann-Eggebert, M.; Hurm, V.; Aidam, R.; Kallfass, I.; Ambacher, O. | Conference Paper |
| 2013 | Transmission of an 8-PSK modulated 30 Gbit/s signal using an MMIC-based 240 GHz wireless link
Antes, J.; König, S.; Lopez-Diaz, D.; Boes, F.; Tessmann, A.; Henneberger, R.; Ambacher, O.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2013 | W-band active loads and switching front-end MMICs for radiometer calibration
Weissbrodt, E.; Schlechtweg, M.; Ambacher, O.; Kallfass, I. | Journal Article, Conference Paper |
| 2013 | Wireless sub-THz communication system with high data rate
König, S.; Lopez-Diaz, D.; Antes, J.; Boes, F.; Henneberger, R.; Leuther, A.; Tessmann, A.; Schmogrow, R.; Hillerkuss, D.; Palmer, R.; Zwick, T.; Koos, C.; Freude, W.; Ambacher, O.; Leuthold, J.; Kallfass, I. | Journal Article |
| 2012 | A 130 to 160 GHz broadband power amplifier with binary power splitting topology
Diebold, S.; Pahl, P.; Goettel, B.; Massler, H.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2012 | 220 GHz wireless data transmission experiments up to 30 Gbit/s
Antes, J.; König, S.; Leuther, A.; Massler, H.; Leuthold, J.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2012 | 255 to 330 GHz active frequency tripIer MMIC
Lewark, U.J.; Tessmann, A.; Wagner, S.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2012 | A 480 GHz active frequency multiplier-by-four SMMIC
Kallfass, I.; Tessmann, A.; Massler, H.; Wagner, S.; Leuther, A. | Conference Paper |
| 2012 | A 96 GHz radar system for respiration and heart rate measurements
Ayhan, S.; Diebold, S.; Scherr, S.; Tessmann, A.; Ambacher, O.; Kallfass, I.; Zwick, T. | Conference Paper |
| 2012 | Active frequency-tripler MMICs for 300 GHz signal generation
Lewark, U.J.; Tessmann, A.; Massler, H.; Wagner, S.; Leuther, A.; Kallfass, I. | Journal Article |
| 2012 | Active load modules for W-band radiometer calibration
Weissbrodt, E.; Tessmann, A.; Schlechtweg, M.; Kallfass, I.; Ambacher, O. | Conference Paper |
| 2012 | A balanced 150-240 GHz amplifier MMIC using airbridge transmission lines
Längst, J.; Diebold, S.; Massler, H.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2012 | Broadband active integrated circuits for terahertz communication
Kallfass, I.; Antes, J.; Lopez-Diaz, D.; Wagner, S.; Tessmann, A.; Leuther, A. | Conference Paper |
| 2012 | Broadband MMIC tuners dedicated to noise parameter measurements at cryogenic temperatures
Bruch, D.; Seelmann-Eggebert, M.; Kallfass, I.; Leuther, A.; Diebold, S.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2012 | A D-band phase compensated variable gain amplifier
Müller, D.; Diebold, S.; Massler, H.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2012 | E-band active frequency-multiplier-by-eight MMIC with >20 dB conversion gain and excellent spurious suppression
Lewark, U.J.; Tessmann, A.; Massler, H.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2012 | GaN-based millimeter-wave monolithic integrated circuits
Schwantuschke, D.; Kallfass, I.; Quay, R.; Ambacher, O. | Conference Paper |
| 2012 | An H-band low-noise amplifier MMIC in 35 nm metamorphic HEMT technology
Weber, R.; Hurm, V.; Massler, H.; Weissbrodt, E.; Tessmann, A.; Leuther, A.; Nähri, T.; Kallfass, I. | Conference Paper |
| 2012 | A high linearity I/Q mixer for high data rate E-band wireless communication links
Antes, J.; Lopez-Diaz, D.; Lewark, U.J.; Wagner, S.; Tessmann, A.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2012 | A 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 | Journal Article |
| 2012 | High-speed wireless bridge at 220 GHz connecting two fiber-optic links each spanning up to 20 km
König, S.; Antes, J.; Lopez-Diaz, D.; Kallfass, I.; Zwick, T.; Koos, C.; Freude, W.; Leuthold, J. | Conference Paper |
| 2012 | Highly integrated switching calibration front-end MMIC with active loads for W-band radiometers
Weissbrodt, E.; Leuther, A.; Schlechtweg, M.; Kallfass, I.; Ambacher, O. | Conference Paper |
| 2012 | Integrated D-band MMICs for receiver front-ends
Weissbrodt, E.; Hülsmann, A.; Massler, H.; Leuther, A.; Kallfass, I.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2012 | Millimeter-wave monolithic integrated circuits and modules for safety and security applications
Schlechtweg, Michael; Tessmann, Axel; Hülsmann, Axel; Kallfass, Ingmar; Leuther, Arnulf; Aidam, Rolf; Zech, Christian; Lewark, U.J.; Massler, Hermann; Rießle, Markus; Zink, Martin; Rosenzweig, Josef; Ambacher, O. | Conference Paper |
| 2012 | Miniaturized ultra-broadband G-band frequency doubler MMIC
Lewark, U.J.; Massler, H.; Tessmann, A.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2012 | MMIC-based chipset for multi-gigabit satellite links in E-band
Antes, J.; Lewark, U.J.; Tessmann, A.; Wagner, S.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2012 | Modelling of transistor feeding structures based on electro-magnetic field simulations
Diebold, S.; Seelmann-Eggebert, M.; Gulan, H.; Leuther, A.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2012 | A noise source module for In-Situ noise figure measurements from DC to 50 GHz at cryogenic temperatures
Bruch, Daniel; Amils, R.I.; Gallego, J.D.; Seelmann-Eggebert, M.; Aja, B.; Schäfer, F.; Diez, C.; Leuther, A.; Schlechtweg, M.; Ambacher, O.; Kallfass, I. | Journal Article |
| 2012 | Study on data transmission of complex modulated signals using an MMIC-based 220 GHz wireless link
Antes, J.; Mahler, T.; Zwick, T.; Tessmann, A.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2012 | A subharmonic chipset for gigabit communication around 240 GHz
Lopez-Diaz, D.; Kallfass, I.; Tessmann, A.; Leuther, A.; Wagner, S.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2012 | A tunable 140GHz analog phase shifter with high linearity performance
Thome, F.; Diebold, S.; Schlechtweg, M.; Leuther, A.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2012 | A U-band broadband power amplifier MMIC in 100 nm AlGaN/GaN HEMT technology
Schwantuschke, D.; Brueckner, P.; Quay, R.; Mikulla, M.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2012 | A U-band broadband power amplifier MMIC in 100 nm AlGaN/GaN HEMT technology
Schwantuschke, D.; Brueckner, P.; Quay, R.; Mikulla, M.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2012 | Ultra wideband cascade low noise amplifier implemented in 100-nm GaAs metamorphic-HEMTS technology
Dyskin, A.; Ritter, D.; Kallfass, I. | Conference Paper |
| 2012 | An ultra-broadband low-noise traveling-wave amplifier based on 50nm InGaAs mHEMT technology
Zech, C.; Diebold, S.; Wagner, S.; Schlechtweg, M.; Leuther, A.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2012 | W-band MMIC radar modules for remote detection of vital signs
Diebold, S.; Goetzl, D.; Ayhan, S.; Scherr, S.; Pahl, P.; Massler, H.; Tessmann, A.; Leuther, A.; Ambacher, O.; Zwick, T.; Kallfass, I. | Conference Paper |
| 2012 | A w-band MMIC radar system for remote detection of vital signs
Diebold, S.; Ayhan, S.; Scherr, S.; Massler, H.; Tessmann, A.; Leuther, A.; Ambacher, O.; Zwick, T.; Kallfass, I. | Journal Article |
| 2012 | Wireless multi-gigabit data transmission using active MMIC components at 220 GHz
Antes, J.; Lopez-Diaz, D.; Tessmann, Axel; Leuther, Arnulf; Massler, Hermann; Zwick, T.; Ambacher, O.; Kallfass, Ingmar | Journal Article |
| 2011 | A 10-GS/s multibit delta-sigma analog-to-digital converter in an InP HBT technology
Kraus, S.; Kallfass, I.; Makon, R.E.; Driad, R.; Moyal, M.; Ritter, D. | Conference Paper |
| 2011 | 140 GHz solid-state amplifier with on-chip tunable output matching
Diebold, S.; Massler, H.; Wagner, S.; Tessmann, A.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2011 | 20 nm metamorphic HEMT with 660 GHz f T
Leuther, A.; Koch, S.; Tessmann, A.; Kallfass, I.; Merkle, T.; Massler, H.; Loesch, R.; Schlechtweg, M.; Saito, S.; Ambacher, O. | Conference Paper |
| 2011 | 20 NM metamorphic HEMT with 660 GHZ F(T)
Leuther, A.; Koch, S.; Tessmann, A.; Kallfass, I.; Merkle, T.; Massler, H.; Lösch, R.; Schlechtweg, M.; Saito, S.; Ambacher, O. | Conference Paper |
| 2011 | A 20-GHz bipolar latched comparator with improved sensitivity implemented in InP HBT technology
Kraus, S.; Kallfass, I.; Makon, R.E.; Driad, R.; Moyal, M.; Ritter, D. | Journal Article |
| 2011 | 300 GHz active frequency-tripler MMICs
Lewark, U.J.; Tessmann, A.; Massler, H.; Wagner, S.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2011 | A 56-65 GHz high-power amplifier MMIC using 100 nm AlGaN/GaN dual-gate HEMTs
Schwantuschke, D.; Haupt, C.; Kiefer, R.; Brueckner, P.; Seelmann-Eggebert, M.; Mikulla, M.; Kallfass, I.; Quay, R. | Conference Paper |
| 2011 | Active frequency multiplier-by-nine MMIC for millimeter-wave signal generation
Lewark, U.J.; Tessmann, A.; Massler, H.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2011 | Active millimeter-wave imaging system for material analysis and object detection
Zech, C.; Hülsmann, A.; Kallfass, I.; Tessmann, A.; Zink, M.; Schlechtweg, M.; Leuther, A.; Ambacher, O. | Conference Paper |
| 2011 | Active single ended frequency multiplier-by-nine MMIC for millimeter-wave imaging applications
Lewark, U.J.; Tessmann, A.; Massler, H.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2011 | All active MMIC-based wireless communication at 220 GHz
Kallfass, I.; Antes, J.; Schneider, T.; Kurz, F.; Lopez-Diaz, D.; Diebold, S.; Massler, H.; Leuther, A.; Tessmann, A. | Journal Article |
| 2011 | Balanced active frequency multipliers for W-band signal sources
Kallfass, I.; Tessmann, A.; Massler, H.; Lewark, U.J.; Kuri, M.; Riessle, M.; Zink, M.; Leuther, A. | Conference Paper |
| 2011 | A broadband low-noise D-band amplifier module in 35 nm mHEMT technology
Weissbrodt, E.; Kallfass, I.; Tessmann, A.; Massler, H.; Leuther, A.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2011 | Cryogenic low-noise mHEMT-based MMIC amplifiers for 4-12 GHz band
Aja, B.; Schuster, K.; Schäfer, F.; Gallego, J.D.; Chartier, S.; Seelmann-Eggebert, M.; Kallfass, I.; Leuther, A.; Massler, H.; Schlechtweg, M.; Diez, C.; Lopez-Fernandez, I.; Lenz, S.; Türk, S. | Journal Article |
| 2011 | Design and model studies for solid-state power amplification at 210 GHz
Diebold, S.; Kallfass, I.; Massler, H.; Seelmann-Eggebert, M.; Leuther, A.; Tessmann, A.; Pahl, P.; Koch, S.; Ambacher, O. | Journal Article |
| 2011 | Development of monolithic microwave integrated amplifiers as readout for detectors at 4.2 K
Wünsch, S.; Bruch, D.; Crocoll, E.; Leuther, A.; Kallfass, I.; Siegel, M. | Journal Article |
| 2011 | FET-based frequency multiplier S-MMICs up to 440GHz
Kallfass, I.; Massler, H.; Tessmann, A.; Leuther, A. | Conference Paper |
| 2011 | Fully integrated 300 GHz receiver S-MMICs in 50 nm metamorphic HEMT technology
Tessmann, A.; Massler, H.; Lewark, U.J.; Wagner, S.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2011 | A fully-scalable coplanar waveguide passive library for millimeter-wave monolithic integrated circuit design
Diebold, S.; Weber, R.; Seelmann-Eggebert, M.; Massler, H.; Tessmann, A.; Leuther, A.; Kallfass, I. | Conference Paper |
| 2011 | High-performance 60 GHz MMICs for wireless digital communication in 100 nm mHEMT technology
Lopez-Diaz, D.; Kallfass, I.; Tessmann, A.; Weber, R.; Massler, H.; Leuther, A.; Schlechtweg, M.; Ambacher, O. | Journal Article |
| 2011 | A highly linear 84 GHz low noise amplifier MMIC in AlGaN/GaN HEMT technology
Kallfass, I.; Massler, H.; Wagner, S.; Schwantuschke, D.; Brueckner, P.; Haupt, C.; Kiefer, R.; Quay, R.; Ambacher, O. | Conference Paper |
| 2011 | A highly linear 84 GHz low noise amplifier MMIC in AlGaN/GaN HEMT technology
Kallfass, I.; Massler, H.; Wagner, S.; Schwantuschke, D.; Bruckner, P.; Haupt, C.; Kiefer, R.; Quay, R.; Ambacher, O. | Conference Paper |
| 2011 | Integrated front-ends up to 200 GHz
Vassilev, V.; Wadefalk, N.; Abbasi, M.; Kozhuharov, R.; Zirath, H.; Gunnarsson, S.E.; Pellikka, T.; Emrich, A.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2011 | Integrated front-ends up to 200 GHz
Vassilev, V.; Wadefalk, N.; Abbasi, M.; Kozhuharov, R.; Zirath, H.; Gunnarsson, S.E.; Pellikka, T.; Emrich, A.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2011 | Metamorphic HEMT MMICs and modules operating between 300 and 500 GHz
Tessmann, A.; Leuther, A.; Hurm, V.; Kallfass, I.; Massler, H.; Kuri, M.; Riessle, M.; Zink, M.; Lösch, R.; Seelmann-Eggebert, M.; Schlechtweg, M.; Ambacher, O. | Journal Article |
| 2011 | Millimeter-wave circuits and modules up to 500 GHz based on metamorphic HEMT technology for remote sensing and wireless communication applications
Schlechtweg, M.; Tessmann, A.; Kallfass, I.; Leuther, A.; Hurm, V.; Massler, H.; Riessle, M.; Lösch, R.; Ambacher, O. | Conference Paper |
| 2011 | Millimeterwave radar for SAR on UAVs with real-time image display
Stanko, S.; Johannes, W.; Sommer, R.; Wahlen, A.; Wilcke, J.; Essen, H.; Kallfass, I.; Tessmann, A. | Conference Paper |
| 2011 | MMIC based wireless data transmission of a 12.5 Gbit/s signal using a 220 GHz carrier
Antes, J.; Lopez-Diaz, D.; Tessmann, A.; Leuther, A.; Massler, H.; Zwick, T.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2011 | Monolithically integrated 200-GHz double-slot antenna and resistive mixers in a GaAs-mHEMT MMIC process
Yan, Y.; Karandikar, Y.B.; Gunnarsson, S.E.; Motlagh, B.M.; Cherednichenko, S.; Kallfass, I.; Leuther, A.; Zirath, H. | Journal Article |
| 2011 | SAR with MIRANDA - Millimeterwave radar using analog and new digital approach
Stanko, S.; Johannes, W.; Sommer, R.; Wahlen, A.; Wilcke, J.; Essen, H.; Tessmann, A.; Kallfass, I. | Conference Paper |
| 2011 | A single chip broadband noise source for noise measurements at cryogenic temperatures
Bruch, D.; Schäfer, F.; Seelmann-Eggebert, M.; Aja, B.; Kallfass, I.; Leuther, A.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2011 | Single-chip 220-GHz active heterodyne receiver and transmitter MMICs with on-chip integrated antenna
Abbasi, M.; Gunnarsson, S.E.; Wadefalk, N.; Kozhuharov, R.; Svedin, J.; Cherednichenko, S.; Angelov, I.; Kallfass, I.; Leuther, A.; Zirath, H. | Journal Article |
| 2011 | A single-chip 77 GHz heterodyne receiver MMIC in 100 nm AlGaN/GaN HEMT technology
Kallfass, I.; Quay, R.; Massler, H.; Wagner, S.; Schwantuschke, D.; Haupt, C.; Kiefer, R.; Ambacher, O. | Conference Paper |
| 2011 | System concept and implementation of a mmW wireless link providing data rates up to 25 Gbit/s
Antes, J.; Reichart, J.; Lopez-Diaz, D.; Tessmann, A.; Poprawa, F.; Kurz, F.; Schneider, T.; Massler, H.; Kallfass, I. | Conference Paper |
| 2011 | Systemkonzept und Realisierung einer Millimeterwellen-Richtfunkstrecke mit Datenraten über 12,5 Gbit/s
Antes, J.; Lopez-Diaz, D.; Schlechtweg, M.; Diebold, S.; Gulan, H.; Poprawa, F.; Kurz, F.; Henneberger, R.; Roppelt, E.; König, S.; Leuthold, J.; Schneider, T.; Zwick, T.; Ambacher, O.; Kallfass, I. | Conference Paper |
| 2011 | W-band direct detection radiometers using metamorphic HEMT technology
Kallfass, I.; Hülsmann, A.; Tessmann, A.; Leuther, A.; Weissbrodt, E.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2011 | W-band radiometer system with switching front-end for multi-load calibration
Weissbrodt, E.; Kallfass, I.; Hülsmann, A.; Tessmann, A.; Leuther, A.; Massler, H.; Ambacher, O. | Conference Paper |
| 2011 | A W-band x 12 multiplier MMIC with excellent spurious suppression
Weber, R.; Lewark, U.J.; Leuther, A.; Kallfass, I. | Journal Article |
| 2011 | A W-band x12 frequency multiplier MMIC in waveguide package using quartz and ceramic transitions
Weber, R.; Tessmann, A.; Zink, M.; Kuri, M.; Stulz, H.-P.; Riessle, M.; Massler, H.; Maier, T.; Leuther, A.; Schlechtweg, M.; Kallfass, I. | Conference Paper |
| 2011 | Wireless DVB-C transmission at 220 GHz using active single-chip receive and transmit MMICs
Kallfass, I.; Tessmann, A.; Antes, J.; Lopez-Diaz, D.; Kuri, A.; Massler, H.; Zwick, T.; Leuther, A. | Conference Paper |
| 2010 | A 120-145 GHz heterodyne receiver chipset utilizing the 140 GHz atmospheric window for passive millimeter-wave imaging applications
Koch, S.; Guthoerl, M.; Kallfass, I.; Leuther, A.; Saito, S. | Journal Article |
| 2010 | Advanced metamorphic HEMT submillimeter-wave monolithic integrated circuits and modules up to 320 GHz
Schlechtweg, M.; Tessmann, A.; Leuther, A.; Kallfass, I.; Hurm, V.; Massler, H.; Rosenzweig, J.; Zink, M.; Riessle, M.; Lösch, R. | Conference Paper |
| 2010 | An all-active MMIC-based chip set for a wideband 260-304 GHz receiver
Kallfass, I.; Tessmann, A.; Massler, H.; Pahl, P.; Leuther, A. | Conference Paper |
| 2010 | A balanced resistive 210 GHz mixer with 50 GHz IF bandwidth
Lopez-Diaz, D.; Kallfass, I.; Tessmann, A.; Massler, H.; Leuther, A.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2010 | Broadband MMIC amplifier for superconducting single photon detector readout in a cryogenic environment
Bruch, D.; Kallfass, I.; Aja Abelan, B.; Leuther, A.; Seelmann-Eggebert, M.; Massler, H.; Crocoll, E.; Wünsch, S.; Siegel, M.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2010 | Determination 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. | Conference Paper |
| 2010 | Fraunhofer IAF targets terahertz circuits
Tessmann, A.; Kallfass, I.; Leuther, A. | Journal Article |
| 2010 | High linearity 2-bit current steering InP/GaInAs DHBT digital-to-analog converter
Kraus, S.; Kallfass, I.; Makon, R.E.; Rosenzweig, J.; Driad, R.; Moyal, M.; Ritter, D. | Conference Paper |
| 2010 | Integrated circuits beyond 100 GHz for stand-off detection of concealed weapons
Hülsmann, A.; Tessmann, A.; Leuther, A.; Kallfass, I.; Weissbrodt, E.; Knelangen, M.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2010 | Low-noise amplifiers in d-band using 100 nm and 50 nm mHEMT technology
Weissbrodt, E.; Kallfass, I.; Weber, R.; Tessmann, A.; Massler, H.; Leuther, A. | Conference Paper |
| 2010 | Metamorphic HEMT technology for submillimeterwave MMIC applications
Leuther, A.; Tessmann, A.; Kallfass, I.; Massler, H.; Lösch, R.; Schlechtweg, M.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2010 | MMIC technology for spectroscopy applications
Kallfass, I.; Tessmann, A.; Hülsmann, A.; Leuther, A.; Cetnar, J.S.; Noble, J.M.; Petkie, D.T. | Conference Paper |
| 2010 | MMIC-based components for MM-wave instrumentation
Vassilev, V.; Wadefalk, N.; Kozhuharov, R.; Abbasi, M.; Gunnarsson, S.E.; Zirath, H.; Pellikka, T.; Emrich, A.; Pantaleev, M.; Kallfass, I.; Leuther, A. | Journal Article |
| 2010 | MMIC-based receivers for mm-wave radiometry
Vassilev, V.; Wadefalk, N.; Kozhuharov, R.; Abbasi, M.; Zirath, H.; Pellikka, T.; Emrich, A.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2010 | Monolithic integrated 210 GHz couplers for balanced mixers and image rejection mixers
Lopez-Diaz, D.; Kallfass, I.; Tessmann, A.; Massler, H.; Leuther, A.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2010 | Sensitivity of a 20-GS/s InP DHBT latched comparator
Kraus, S.; Makon, R.E.; Kallfass, I.; Driad, R.; Moyal, M.; Ritter, D. | Conference Paper |
| 2010 | Subharmonically pumped 210 GHz I/Q mixers
Lopez-Diaz, D.; Kallfass, I.; Tessmann, A.; Leuther, A.; Massler, H.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2010 | A w-band active frequency-multiplier-by-six in waveguide package
Kallfass, I.; Tessmann, A.; Massler, H.; Kuri, M.; Riessle, M.; Zink, M.; Leuther, A. | Conference Paper |
| 2009 | A 140 GHz heterodyne receiver chipset for passive millimeter wave imaging applications
Koch, S.; Guthoerl, M.; Kallfass, I.; Leuther, A.; Saito, S. | Conference Paper |
| 2009 | A 144 GHz power amplifier MMIC with 11dBm output power, 10 dB associated gain and 10 % power-added efficiency
Kallfass, I.; Pahl, P.; Massler, H.; Leuther, A.; Tessmann, A.; Koch, S.; Zwick, T. | Conference Paper |
| 2009 | A 200 GHz active heterodyne receiver MMIC with low sub-harmonic LO power requirements for imaging frontends
Kallfass, I.; Tessmann, A.; Massler, H.; Leuther, A.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2009 | A 200 GHz monolithic integrated power amplifier in metamorphic HEMT technology
Kallfass, I.; Pahl, P.; Massler, H.; Leuther, A.; Tessmann, A.; Koch, S.; Zwick, T. | Journal Article |
| 2009 | A 300 GHz active frequency-doubler and integrated resistive mixer MMIC
Kallfass, I.; Tessmann, A.; Massler, H.; Lopez-Diaz, D.; Leuther, A.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2009 | Advanced mHEMT MMICs for 220 GHz high-resolution imaging systems
Chartier, S.; Tessmann, A.; Leuther, A.; Weber, R.; Kallfass, I.; Schlechtweg, M.; Stanko, S.; Essen, H.; Ambacher, O. | Conference Paper, Journal Article |
| 2009 | Advanced mHEMT technologies for space applications
Hülsmann, A.; Leuther, A.; Kallfass, I.; Weber, R.; Tessmann, A.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2009 | A broadband 60-to-120 GHz single-chip MMIC multiplier chain
Abbasi, M.; Kozhuharov, R.; Kärnfelt, C.; Angelov, I.; Zirath, H.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2009 | A fully integrated, compound transceiver MIMIC utilizing six antenna ports for 60 GHz wireless applications
Koch, S.; Kallfass, I.; Weber, R.; Leuther, A.; Schlechtweg, M.; Saito, S. | Conference Paper |
| 2009 | High performance compound semiconductor devices and integrated circuits for advanced communication, sensor, and imaging applications
Schlechtweg, M.; Makon, R.E.; Hurm, V.; Driad, R.; Tessmann, A.; Kallfass, I.; Leuther, A.; Seelmann-Eggebert, M.; Massler, H.; Kuri, M.; Benkhelifa, F.; Lösch, R.; Rosenzweig, J.; Ambacher, O. | Conference Paper |
| 2009 | High-performance MMICs and high-speed mixed-signal ICs based on III/V HEMT and HBT technology for sensors and communication
Schlechtweg, M.; Tessmann, A.; Kallfass, I.; Leuther, A.; Weber, R.; Chartier, S.; Driad, R.; Makon, R.E.; Hurm, V.; Massler, H.; Benkhelifa, F.; Lösch, R.; Rosenzweig, J.; Ambacher, O.; Kuri, M. | Conference Paper |
| 2009 | Integrated receivers up to 220 GHz utilizing GaAs-mHEMT technology
Zirath, H.; Wadefalk, N.; Kuzhuharov, R.; Gunnarsson, S.E.; Cherednichenko, S.; Angelov, I.; Abbasi, M.; Hansson, B.; Vassilev, V.; Svedin, J.; Rudner, S.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2009 | The metamorphic HEMT and its applications in remote sensing
Kallfass, I.; Tessmann, A.; Leuther, A.; Seelmann-Eggebert, M.; Aja Abelan, B.; Gallego Puyol, J.D.; Wadefalk, N.; Schäfer, F.; Schuster, K.F.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2009 | Metamorphic HEMT technology for low-noise applications
Leuther, A.; Tessmann, A.; Kallfass, I.; Lösch, R.; Seelmann-Eggebert, M.; Wadefalk, N.; Schäfer, F.; Gallego Puyol, J.D.; Schlechtweg, M.; Mikulla, M.; Ambacher, O. | Conference Paper |
| 2009 | Millimeter-wave monolithic integrated circuits for imaging and remote sensing at 140, 200, and 300 GHz
Kallfass, I.; Tessmann, A.; Leuther, A.; Massler, H.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2009 | MMICs and mixed-signal ICs based on III/V technology for highest frequencies and data rates
Schlechtweg, M.; Tessmann, A.; Kallfass, I.; Leuther, A.; Weber, R.; Chartier, S.; Driad, R.; Makon, R.E.; Hurm, V.; Seelmann-Eggebert, M.; Massler, H.; Kuri, M.; Riessle, M.; Zink, M.; Benkhelifa, F.; Lösch, R.; Rosenzweig, J.; Ambacher, O. | Journal Article |
| 2009 | A novel tuning concept for wideband VCOs based on a shunt-FET
Weber, R.; Kallfass, I.; Seelmann-Eggebert, M.; Leuther, A. | Conference Paper |
| 2009 | On the status of low noise millimeterwave MMIC receivers
Zirath, H.; Wadefalk, N.; Kuzhuharov, R.; Gunnarsson, S.E.; Cherednichenko, S.; Angelov, I.; Abbasi, M.; Hansson, B.; Vassilev, V.; Svedin, J.; Rudner, S.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2009 | Oszillator mit ohmsch einstellbarer Schwingfrequenz
Weber, R.; Kallfass, I. | Patent |
| 2009 | Oszillator mit ohmsch einstellbarer Schwingungsfrequenz
Weber, R.; Kallfass, I. | Patent |
| 2009 | Single-chip frequency multiplier chains for millimeter-wave signal generation
Abbasi, M.; Kozhuharov, R.; Kärnfelt, C.; Angelov, I.; Kallfass, I.; Leuther, A.; Zirath, H. | Journal Article |
| 2008 | A 210 GHz dual-gate FET mixer MMIC with > 2 dB conversion gain, high LO-to-RF isolation, and low LO-drive requirements
Kallfass, I.; Massler, H.; Leuther, A.; Tessmann, A.; Schlechtweg, M. | Journal Article |
| 2008 | A 220 GHz (G-band) microstrip MMIC single-ended resistive mixer
Gunnarsson, S.E.; Wadefalk, N.; Angelov, I.; Zirath, H.; Kallfass, I.; Leuther, A. | Journal Article |
| 2008 | A 220 GHz single-chip receiver MMIC with integrated antenna
Gunnarsson, S.E.; Wadefalk, N.; Svedin, J.; Cherednichenko, S.; Angelov, I.; Zirath, H.; Kallfass, I.; Leuther, A. | Journal Article |
| 2008 | Enabling compact MMIC-based frontends for millimeter-wave imaging radar and radiometry at 94 and 210 GHz
Kallfass, I.; Tessmann, A.; Leuther, A.; Kuri, M.; Riessle, M.; Zink, M.; Massler, H.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2008 | A four-antenna transceiver MIMIC for 60 GHz wireless multimedia applications
Koch, S.; Kallfass, I.; Leuther, A.; Schlechtweg, M.; Saito, S.; Uno, M. | Conference Paper |
| 2008 | A G-band (140-220 GHz) microstrip MMIC mixer operating in both resistive and drain-pumped mode
Gunnarsson, S.E.; Wadefalk, N.; Angelov, I.; Zirath, H.; Kallfass, I.; Leuther, A. | Conference Paper |
| 2008 | Metamorphic HEMT MMICs and modules for use in a high-bandwidth 210 GHz radar
Tessmann, A.; Kallfass, I.; Leuther, A.; Massler, H.; Kuri, M.; Riessle, M.; Zink, M.; Sommer, R.; Wahlen, A.; Essen, H.; Hurm, V.; Schlechtweg, M.; Ambacher, O. | Journal Article |
| 2008 | Metamorphic HEMT MMICs and Modules for Use in High Bandwidth 220 GHz Radar
Tessmann, A.; Kallfass, I.; Leuther, A.; Kuri, M.; Riessle, M.; Massler, H.; Sommer, R.; Wahlen, A.; Essen, H.; Hurm, V.; Schlechtweg, M.; Ambacher, O. | Journal Article |
| 2008 | Metamorphic MMICs for operation beyond 200 GHz
Tessmann, A.; Kallfass, I.; Leuther, A.; Massler, H.; Schlechtweg, M.; Ambacher, O. | Conference Paper |
| 2008 | Multiple-throw millimeter-wave FET switches for frequencies from 60 up to 120 GHz
Kallfass, I.; Diebold, S.; Massler, H.; Koch, S.; Seelmann-Eggebert, M.; Leuther, A. | Conference Paper |
| 2008 | Multiple-throw millimeter-wave FET switches for frequencies from 60 up to 120 GHz
Kallfass, I.; Diebold, S.; Massler, H.; Koch, S.; Seelmann-Eggebert, M.; Leuther, A. | Conference Paper |
| 2007 | A 210 GHz, subharmonically-pumped active FET mixer MMIC for radar imaging applications
Kallfass, I.; Massler, H.; Leuther, A. | Conference Paper |
| 2007 | An analogue, 4:2 MUX/DEMUX front-end MIMIC for wireless 60 GHz multiple antenna transceivers
Koch, S.; Kallfass, I.; Weber, R.; Leuther, A.; Schlechtweg, M.; Uno, M. | Conference Paper |
| 2007 | A broadband frequency sixtupler MIMIC for the W-band with >7 dBm output power and >6 dB conversion gain
Kallfass, I.; Massler, H.; Tessmann, A.; Leuther, A.; Schlechtweg, M.; Weimann, G. | Conference Paper |
| 2006 | Comprehensive nonlinear modelling of dispersive heterostructure field effect transistors and their MMIC applications
Kallfass, I. | Dissertation |
| 2006 | Millimeter-wave front-end components in metamorphic HEMT technology
Schlechtweg, M.; Kallfass, I.; Tessmann, A.; Schwörer, C.; Leuther, A. | Conference Paper |
| 2006 | Multiple time constant modeling of dispersion dynamics in hetero field-effect transistors
Kallfass, I.; Schumacher, H.; Brazil, T.J. | Journal Article |
| 2006 | A unified approach to charge-conservative capacitance modelling in HEMTs
Kallfass, I.; Schumacher, H.; Brazil, T.J. | Journal Article |