Morten Olavsbråten
Om
Publikasjoner
2024
-
Nogales, Connor;
Flaten, Paul;
Olavsbråten, Morten;
Popovic, Zoya;
Lasser, Gregor.
(2024)
Deliberate Source/Load Mismatch for Linearity and Efficiency of Discrete Supply Modulated GaN PAs.
IEEE transactions on microwave theory and techniques
Vitenskapelig artikkel
2018
-
Duffy, Maxwell R;
Lasser, Gregor;
Olavsbråten, Morten;
Berry, Eric;
Popovic, Zoya.
(2018)
Efficient Multisignal 2–4-GHz Power Amplifier With Power Tracking.
IEEE transactions on microwave theory and techniques
Vitenskapelig artikkel
2017
-
Olavsbråten, Morten;
Gecan, Dragan.
(2017)
Bandwidth Reduction for Supply Modulated RF PAs Using Power Envelope Tracking.
IEEE Microwave and Wireless Components Letters
Vitenskapelig artikkel
-
Duffy, Maxwell R;
Lasser, Gregor;
Vance, Jason;
Olavsbråten, Morten;
Barton, Taylor;
Popovic, Zoya.
(2017)
Bandwidth-reduced supply modulation of a high-efficiency X-band GaN MMIC PA for multiple wideband signals.
IEEE MTT-S International Microwave Symposium Digest
Vitenskapelig artikkel
2016
-
Gecan, Dragan;
Olavsbråten, Morten;
Gjertsen, Karl Martin.
(2016)
Measured linearity improvement of 10 W GaN HEMT PA with dynamic gate biasing technique for flat transfer phase.
IEEE MTT-S International Microwave Symposium Digest
Vitenskapelig artikkel
-
Gecan, Dragan;
Gjertsen, Karl Martin;
Olavsbråten, Morten.
(2016)
Novel metric describing total nonlinearity of Power amplifier with a corresponding figure of merit for linearity evaluation and optimization.
IEEE Microwave and Wireless Components Letters
Vitenskapelig artikkel
2008
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Olavsbråten, Morten;
O'droma, Mairtin.
(2008)
Aspects of system simulation.
Vitenskapelig kapittel
2006
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Olavsbråten, Morten;
Cidronali, Alessandro;
Guerrieri, S. Donati;
Camarchia, Vittorio;
Pirola, Marco;
Kavlak, C.;
Tekin, I.;
Gurbuz, Yasar;
Aamo, Kjell Olav;
Mathiesen, Terje.
(2006)
Chapter 7: PA Model Simulation Aspects; Final Deliverable Report in Work Package 2.2.E.2 “Amplifier Modelling”.
NoE TARGET (IST-1-507893-NOE)
Forskningsrapport
2005
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Olavsbråten, Morten.
(2005)
Chapter 11: Thermal issues; Final Deliverable Report in Work Package 2.2.D.1 “Power Amplifier Design Overview”.
NoE TARGET (IST-1-507893-NOE)
Forskningsrapport
-
Olavsbråten, Morten;
Meazza, Andrea;
Luger, Jochen;
Camarchia, Vittorio;
Hammer, Mikael;
Mathiesen, Terje;
Aamo, Kjell Olav.
(2005)
Chapter 7: Various Other Linearisation Techniques; Final deliverable in Work Package 2.2.E.1 “Linearisation Evaluation Map".
NoE TARGET (IST-1-507893-NOE)
Forskningsrapport
2003
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Olavsbråten, Morten.
(2003)
Practical Thermal and Electrical Parameter Extraction Methods for Modelling HBT´s and their Applications in Power Amplifiers.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandling
1997
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Olavsbråten, Morten.
(1997)
Power-measurements of Sirius and Tele-X; SINTEF Memo.
SINTEF Tele og Data
Forskningsrapport
-
Olavsbråten, Morten.
(1997)
Wireless surveillance equipment for hospitals; SINTEF Report.
SINTEF Tele og Data
Forskningsrapport
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Olavsbråten, Morten.
(1997)
HBT Models and Measurements; SINTEF Memo.
SINTEF Tele og Data
Forskningsrapport
1996
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Olavsbråten, Morten.
(1996)
GSM ASIC system assistance; SINTEF Report.
SINTEF Tele og Data
Forskningsrapport
Tidsskriftspublikasjoner
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Gecan, Dragan;
Olavsbråten, Morten;
Gjertsen, Karl Martin.
(2016)
Measured linearity improvement of 10 W GaN HEMT PA with dynamic gate biasing technique for flat transfer phase.
IEEE MTT-S International Microwave Symposium Digest
Vitenskapelig artikkel
-
Nogales, Connor;
Flaten, Paul;
Olavsbråten, Morten;
Popovic, Zoya;
Lasser, Gregor.
(2024)
Deliberate Source/Load Mismatch for Linearity and Efficiency of Discrete Supply Modulated GaN PAs.
IEEE transactions on microwave theory and techniques
Vitenskapelig artikkel
-
Olavsbråten, Morten;
Gecan, Dragan.
(2017)
Bandwidth Reduction for Supply Modulated RF PAs Using Power Envelope Tracking.
IEEE Microwave and Wireless Components Letters
Vitenskapelig artikkel
-
Duffy, Maxwell R;
Lasser, Gregor;
Vance, Jason;
Olavsbråten, Morten;
Barton, Taylor;
Popovic, Zoya.
(2017)
Bandwidth-reduced supply modulation of a high-efficiency X-band GaN MMIC PA for multiple wideband signals.
IEEE MTT-S International Microwave Symposium Digest
Vitenskapelig artikkel
-
Duffy, Maxwell R;
Lasser, Gregor;
Olavsbråten, Morten;
Berry, Eric;
Popovic, Zoya.
(2018)
Efficient Multisignal 2–4-GHz Power Amplifier With Power Tracking.
IEEE transactions on microwave theory and techniques
Vitenskapelig artikkel
-
Gecan, Dragan;
Gjertsen, Karl Martin;
Olavsbråten, Morten.
(2016)
Novel metric describing total nonlinearity of Power amplifier with a corresponding figure of merit for linearity evaluation and optimization.
IEEE Microwave and Wireless Components Letters
Vitenskapelig artikkel
Del av bok/rapport
-
Olavsbråten, Morten;
O'droma, Mairtin.
(2008)
Aspects of system simulation.
Vitenskapelig kapittel
Rapport
-
Olavsbråten, Morten.
(2005)
Chapter 11: Thermal issues; Final Deliverable Report in Work Package 2.2.D.1 “Power Amplifier Design Overview”.
NoE TARGET (IST-1-507893-NOE)
Forskningsrapport
-
Olavsbråten, Morten;
Cidronali, Alessandro;
Guerrieri, S. Donati;
Camarchia, Vittorio;
Pirola, Marco;
Kavlak, C.;
Tekin, I.;
Gurbuz, Yasar;
Aamo, Kjell Olav;
Mathiesen, Terje.
(2006)
Chapter 7: PA Model Simulation Aspects; Final Deliverable Report in Work Package 2.2.E.2 “Amplifier Modelling”.
NoE TARGET (IST-1-507893-NOE)
Forskningsrapport
-
Olavsbråten, Morten.
(1997)
Power-measurements of Sirius and Tele-X; SINTEF Memo.
SINTEF Tele og Data
Forskningsrapport
-
Olavsbråten, Morten.
(1996)
GSM ASIC system assistance; SINTEF Report.
SINTEF Tele og Data
Forskningsrapport
-
Olavsbråten, Morten;
Meazza, Andrea;
Luger, Jochen;
Camarchia, Vittorio;
Hammer, Mikael;
Mathiesen, Terje;
Aamo, Kjell Olav.
(2005)
Chapter 7: Various Other Linearisation Techniques; Final deliverable in Work Package 2.2.E.1 “Linearisation Evaluation Map".
NoE TARGET (IST-1-507893-NOE)
Forskningsrapport
-
Olavsbråten, Morten.
(1997)
Wireless surveillance equipment for hospitals; SINTEF Report.
SINTEF Tele og Data
Forskningsrapport
-
Olavsbråten, Morten.
(1997)
HBT Models and Measurements; SINTEF Memo.
SINTEF Tele og Data
Forskningsrapport
Studentoppgave eller avhandling
-
Olavsbråten, Morten.
(2003)
Practical Thermal and Electrical Parameter Extraction Methods for Modelling HBT´s and their Applications in Power Amplifiers.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandling
Undervisning
Emner
- FE8122 - Doktorgradsseminar i krets- og radiosystem design
- TFE4595 - Electronic Systems Design, fordypningsemne
- TTT4145 - Radiokommunikasjon
- TFE4590 - Electronic Systems Design, fordypningsprosjekt
- TTT4201 - Radiosystemdesign og RF/Mikrobølge måleteknikk
- FE8150 - Ikke-lineær modellering og fjernmåling
- TFE4130 - Bølgeforplantning
Formidling
2024
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KonferanseforedragHagen, Anders Ivar; Olavsbråten, Morten. (2024) A Method for Improved Phase Characteristics in a GaN PA for Supply Modulation. German Microwave Conference
2023
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KonferanseposterOlavsbråten, Morten; Hagen, Anders Ivar; Løhren, Hans-Robert. (2023) Phase Distortion Reduction of Flat Gain Envelope Tracked GaN RF PAs. 2023 53rd European Microwave Conference (EuMC)
2022
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KonferanseforedragEltayeb, Mathani Abdalla Mohamed; Olavsbråten, Morten; Gibiino, Gian Piero; Santarelli, Alberto. (2022) Analog Linearization of a 10-W GaN Power Amplifier by Baseband Feedback. 2021 16th European Microwave Integrated Circuits Conference (EuMIC)
2019
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KonferanseforedragKostadinov, Atanas; Guitberg, Vitali; Olavsbråten, Morten; Kouzaev, Guennadi. (2019) Multi-Logics Gates. 2019 International Seminar on Electron Devices Design and Production (SED)
2018
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan. (2018) Linearity and efficiency enhancement of GaN PAs using bandwidth reduced dynamic gate and drain supply modulation (PET). 2018 IEEE 19th Wireless and Microwave Technology Conference (WAMICON)
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan; Gjertsen, Karl Martin. (2018) Novel total nonlinear distortion measure and a new Signal to Total Distortion Ratio FOM for evaluation and optimization of PAs and linearization techniques. Invited talk at Cardiff University
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan. (2018) Bandwidth reduction techniques for the Supply Modulated RFPAs (ET) usable for wideband- and multicarrier signals. Invited talk at Cardiff University
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan. (2018) New Signal to Total Distortion Ratio FOM for PAs, and supply modulator bandwidth reduction for ET GaN PAs. Invited talk at MC2, Chalmers
2017
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan. (2017) A New bandwidth reduction technique for the supply modulator in ET. IEEE Seminar, Colorado Chapter
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan. (2017) Novel total nonlinear distortion measure and a new Signal to Total Distortion Ratio FOM for evaluation and optimization. IEEE Seminar, Colorado Chapter
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KonferanseforedragDuffy, Maxwell; Lasser, Gregor; Vance, Jason; Olavsbråten, Morten; Barton, Taylor; Popovic, Zoya. (2017) Bandwidth-reduced supply modulation of a high-efficiency X-band GaN MMIC PA for multiple wideband signals. 2017 IEEE MTT-S International Microwave Symposium (IMS)
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KonferanseforedragOlavsbråten, Morten. (2017) A novel Load Modulated Envelope Tracking PA technique. 2017 IEEE MTT-S International Microwave Symposium (IMS)
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan; Duffy, Maxwell; Lasser, Gregor; Popovic, Zoya. (2017) Efficiency enhancement and linearization of GaN PAs using reduced-bandwidth supply modulation. 2017 47th European Microwave Conference (EuMC)
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan; Gjertsen, Karl M. (2017) New Signal to Total Distortion Ratio FOM for PAs, and supply modulator bandwidth reduction for ET GaN PAs. Seminar at Qualcomm
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KonferanseforedragOlavsbråten, Morten; Gecan, Dragan; Gjertsen, Karl M. (2017) New Signal to Total Distortion Ratio FOM for PAs, and supply modulator bandwidth reduction for ET GaN PAs. Seminar at Keysight Technologies
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KonferanseforedragLasser, Gregor; Duffy, Maxwell; Olavsbråten, Morten; Popovic, Zoya. (2017) Gate control of a two-stage GaN MMIC amplifier for amplitude and phase linearization. Wireless and Microwave Technology Conference (WAMICON), 2017 IEEE 18th
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KonferanseforedragOlavsbråten, Morten; Mathiesen, Terje; Berry, Eric. (2017) Design of an efficient wideband (1–5GHz) 10W PA in GaN technology using harmonic tuning. Wireless and Microwave Technology Conference (WAMICON), 2017 IEEE 18th
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KonferanseforedragGecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. (2017) Auxiliary Power Tracking Technique for Linearity Improvement of a 10 W GaN HEMT PA with and without Power Gate Tracking. Radio Wireless Week
2016
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ForedragGecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. (2016) Measured Linearity Improvement of 10 W GaN HEMT PA with Dynamic Gate Biasing Technique for Flat Transfer Phase. IMS
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ForedragGecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. (2016) Investigation of Linearity Improvement with Dynamic Gate Bias Technique for Flat Gain or Phase of an 10 W GaN HEMT Power Amplifier. ICWITS/ACES
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KonferanseforedragOlavsbråten, Morten. (2016) Efficiency and linearity issues in design of efficient wideband PA's based on class F/inverse F. 88 th ARFTG Microwave Measurement Symposium
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KonferanseforedragOlavsbråten, Morten. (2016) PA-Activities at NTNU. Group Meeting at University of Colorado at Boulder
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KonferanseforedragOlavsbråten, Morten. (2016) Gate Tracking & Power Envelope Tracking - What? Why? How?. Group Meeting at University of Colorado at Boulder
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KonferanseforedragGecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl M.. (2016) Comprehensive Investigation of a Dynamic Gate Biasing Technique for Linearity Improvement Based on Measurement of a 10 W GaN HEMT Power Amplifier. 24th Telecommunications forum TELFOR 2016
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KonferanseforedragGecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl M.. (2016) Investigation of the Gate Bias Voltage Influence on Linearity Performance of the ET and AET 10 W GaN HEMT PAs. 24th Telecommunications forum TELFOR
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KonferanseposterGecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. (2016) Investigation of the Practical Output Load Impedance Sensitivity of a 10 W GaN Device Subjected to Gate Bias Variation. Radio and Wireless Week
2015
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KonferanseforedragOlavsbråten, Morten. (2015) Circuit and Radio Systems Group at NTNU. Group Meeting at University of Colorado at Boulder
2012
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KonferanseforedragMedina, Juan Filipe Miranda; Gjertsen, Karl M; Olavsbråten, Morten. (2012) Optimization theory applied to dynamic biasing for power amplifier performance enhancement. Power Amplifiers for Wireless and Radio Applications (PAWR), 2012 IEEE Topical Conference on
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KonferanseforedragMedina, Juan Filipe Miranda; Olavsbråten, Morten; Gjertsen, Karl M. (2012) Biasing an HBT MMIC transistor for efficiency and output power enhancement. 2012 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC)
2010
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Konferanseforedrag
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KonferanseforedragMedina, Juan Filipe Miranda; Olavsbråten, Morten. (2010) Dynamic Biasing for Linear and Efficient Microwave Amplification. IEEE Topical Symposium on Power Amplifiers for Wireless Communications
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KonferanseforedragMedina, Juan Filipe Miranda; Olavsbråten, Morten; Gjertsen, Karl M. (2010) First and second order polynomial functions for bandwidth reduction of dynamic biasing signals. Wireless Information Technology and Systems (ICWITS), 2010 IEEE International Conference on
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KonferanseforedragMedina, Juan Filipe Miranda; Olavsbråten, Morten. (2010) Dynamic Biasing for class A/AB Power Amplifiers. 4th MC Meeting and Workshop of COST IC0803
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KonferanseforedragOlavsbråten, Morten; Ubostad, Marius; Mogstad, Einar. (2010) Transistor Output Parasitics and Intrinsic Waveforms Estimation by Time-domain Waveform Measurements and Load-Pull. IEEE Topical Symposium on Power Amplifiers for Wireless Communications
2009
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KonferanseforedragUbostad, Marius; Olavsbråten, Morten. (2009) A Testbench for Analysis of Bias Network Effects in an RF Power Amplifier with DPD. IEEE Radio and Wireless Symposium
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KonferanseforedragCaharija, Walter; Medina, Juan Filipe Miranda; Olavsbråten, Morten; Gjertsen, Karl M. (2009) A cost-based path search algorithm for enhanced design with Dynamic Bias. 17th Telecommunications forum TELFOR
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KonferanseforedragMedina, Juan Filipe Miranda; Caharija, Walter; Olavsbråten, Morten; Gjertsen, Karl M. (2009) Dual Dynamic Biasing with Input Power Pre compensation for Class-A/AB enhancement. 17th Telecommunications forum TELFOR
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KonferanseforedragTyppo, Jukka Tapio; Olavsbråten, Morten. (2009) A New Inverse Class E Power Amplifier Topology. IEEE Topical Symposium on Power Amplifiers for Wireless Communications
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KonferanseposterUbostad, Marius; Olavsbråten, Morten. (2009) Analysis of an RF Power Amplifier for Envelope Tracking based on load-pull Data. 74th ARFTG Microwave Measurement Conference
2008
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KonferanseforedragSafari, Nima; Olavsbråten, Morten; Røste, Terje. (2008) On the Optimization of Biasing Points in a Digitally-Linearized Power Amplifier. European Microwave Conference
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KonferanseforedragUbostad, Marius; Safari, Nima; Olavsbråten, Morten. (2008) Measurement Setup for Design of RF Power Amplifier with Digital Predistortion. WSEAS Conference in Trondheim
2007
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KonferanseforedragUbostad, Marius; Olavsbråten, Morten. (2007) Active Bias Circuit used for Linearity Improvement in an HBT Power Amplifier. IEEE Radio and Wireless Symposium
2006
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Foredrag
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ForedragOlavsbråten, Morten; Jensen, Øystein. (2006) Research Projects (WIWIC / WIWIC II / TARGET & Class F PA design). Nera SatCom Fagmøte
2004
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ForedragOlavsbråten, Morten. (2004) NTNU – Dept of electronics and telecommunication: Microwave activities. NoE TARGET (IST-1-507893-NOE) WP 2.2.E.2 Meeting
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ForedragOlavsbråten, Morten. (2004) WIWIC / WIWIC II & an Introduction to Power Amplifier Efficiency. CUBAN seminar
2003
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KonferanseposterOlavsbråten, Morten; Indresæter, Lars. (2003) A Low Cost Temperature-Controlled Chuck for a Cascade Probestation. 61st ARFTG Conference Digest, IEEE MTT-S International Microwave Week, 2003
2002
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KonferanseforedragOlavsbråten, Morten. (2002) A Simple Practical Technique for Estimating the Junction Temperature and the Thermal Resistance of a GaAs HBT. IMS 2002, IEEE MTT-S International Microwave Symposium
2001
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KonferanseforedragOlavsbråten, Morten. (2001) Parameter Extraction and Evaluation of the Bias Dependence of Tf, for the VBIC Model used on a GaAs HBT. GAAS 2001, The European Gallium Arsenide and related III-V Compounds Application Symposium, 2001
2000
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KonferanseforedragOlavsbråten, Morten. (2000) A Practical Method of Parameter Extraction for the VBIC Model used on a GaAs HBT. GAAS2000 - Gallium Arsenide & Other Semiconductors Application Symposium
1997
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ForedragOlavsbråten, Morten. (1997) Active antenna system for a METEOSAT receiver. 3rd ASIC in RFS Systems Seminar