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Norsk

Morten Olavsbråten

Morten Olavsbråten

Associate Professor
Department of Electronic Systems

morten.olavsbraten@ntnu.no
+4773594306 Elektro B, B 425, Gløshaugen, O. S. Bragstads plass 2
About Publications Teaching Media

About

Competencies

  • Analog Circuit Design
  • Electronics
  • Electronics
  • MMIC Design
  • Microwave Engineering
  • Radio Engineering
  • Radiowave propagation
  • Telecommunication

Publications

  • Chronological
  • By category
  • See all publications in Cristin

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. volum 66 (12).
    Academic article

2017

  • 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.
    Academic article
  • Olavsbråten, Morten; Gecan, Dragan. (2017) Bandwidth Reduction for Supply Modulated RF PAs Using Power Envelope Tracking. IEEE Microwave and Wireless Components Letters. volum 27 (4).
    Academic article

2016

  • 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. volum 27 (1).
    Academic article
  • 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. volum 2016-August.
    Academic article

2008

  • Olavsbråten, Morten; O'droma, Mairtin. (2008) Aspects of system simulation. RF Power Amplifier Behavioral Modeling.
    Academic chapter/article

2006

  • Olavsbråten, Morten; Cidronali, Alessandro; Donati Guerrieri, S.; Camarchia, Vittorio; Pirola, Marco; Kavlak, C.; Tekin, I.; Gurbuz, Yasar; Aamo, Kjell Olav; Mathiesen, Terje; Ubostad, Marius; Safari, Nima. (2006) Chapter 7: PA Model Simulation Aspects; Final Deliverable Report in Work Package 2.2.E.2 “Amplifier Modelling”. 2006.
    Report

2005

  • Olavsbråten, Morten. (2005) Chapter 11: Thermal issues; Final Deliverable Report in Work Package 2.2.D.1 “Power Amplifier Design Overview”. 2005.
    Report
  • 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". 2005.
    Report

2003

  • Olavsbråten, Morten. (2003) Practical Thermal and Electrical Parameter Extraction Methods for Modelling HBT�s, and their Applications in Power Amplifiers. 2003. ISBN 82-471-5568-0.
    PhD thesis

1997

  • Olavsbråten, Morten. (1997) HBT Models and Measurements; SINTEF Memo. 1997.
    Report
  • Olavsbråten, Morten. (1997) Power-measurements of Sirius and Tele-X; SINTEF Memo. 1997.
    Report
  • Olavsbråten, Morten. (1997) Wireless surveillance equipment for hospitals; SINTEF Report. 1997.
    Report

1996

  • Olavsbråten, Morten. (1996) GSM ASIC system assistance; SINTEF Report. 1996.
    Report

Scientific articles

  • 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. volum 66 (12).
    Academic article
  • 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.
    Academic article
  • Olavsbråten, Morten; Gecan, Dragan. (2017) Bandwidth Reduction for Supply Modulated RF PAs Using Power Envelope Tracking. IEEE Microwave and Wireless Components Letters. volum 27 (4).
    Academic article
  • 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. volum 27 (1).
    Academic article
  • 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. volum 2016-August.
    Academic article

Part of book/report

  • Olavsbråten, Morten; O'droma, Mairtin. (2008) Aspects of system simulation. RF Power Amplifier Behavioral Modeling.
    Academic chapter/article

Report

  • Olavsbråten, Morten; Cidronali, Alessandro; Donati Guerrieri, S.; Camarchia, Vittorio; Pirola, Marco; Kavlak, C.; Tekin, I.; Gurbuz, Yasar; Aamo, Kjell Olav; Mathiesen, Terje; Ubostad, Marius; Safari, Nima. (2006) Chapter 7: PA Model Simulation Aspects; Final Deliverable Report in Work Package 2.2.E.2 “Amplifier Modelling”. 2006.
    Report
  • Olavsbråten, Morten. (2005) Chapter 11: Thermal issues; Final Deliverable Report in Work Package 2.2.D.1 “Power Amplifier Design Overview”. 2005.
    Report
  • 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". 2005.
    Report
  • Olavsbråten, Morten. (2003) Practical Thermal and Electrical Parameter Extraction Methods for Modelling HBT�s, and their Applications in Power Amplifiers. 2003. ISBN 82-471-5568-0.
    PhD thesis
  • Olavsbråten, Morten. (1997) HBT Models and Measurements; SINTEF Memo. 1997.
    Report
  • Olavsbråten, Morten. (1997) Power-measurements of Sirius and Tele-X; SINTEF Memo. 1997.
    Report
  • Olavsbråten, Morten. (1997) Wireless surveillance equipment for hospitals; SINTEF Report. 1997.
    Report
  • Olavsbråten, Morten. (1996) GSM ASIC system assistance; SINTEF Report. 1996.
    Report

Teaching

Courses

  • FE8122 - PhD Seminar in Circuit and Radio Systems Design
  • TFE4595 - Electronic Systems Design, Specialization Course
  • TFE4590 - Electronic Systems Design, Specialization Project
  • TTT4145 - Radio Communications
  • TTT4201 - Radio System Design and RF/Microwave Measurement Techniques
  • FE8150 - Nonlinear Modelling and Remote Sensing
  • TFE4130 - Electromagnetic and Acoustic Waves
  • TFE4580 - Electronic Systems Design and Innovation, Specialization Project

Media

2018

  • Academic lecture
    Olavsbråten, Morten; Gecan, Dragan. (2018) Bandwidth reduction techniques for the Supply Modulated RFPAs (ET) usable for wideband- and multicarrier signals. Invited talk at Cardiff University . School of Engineering, Cardiff University; Cardiff. 2018-06-29 - 2018-06-29.
  • Academic lecture
    Olavsbråten, 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) . IEEE; Florida. 2018-04-09 - 2018-04-10.
  • Academic lecture
    Olavsbråten, 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 . MC2, Chalmers; Gøteborg. 2018-06-04 - 2018-06-04.
  • Academic lecture
    Olavsbråten, 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 . School of Engineering, Cardiff University; Cardiff. 2018-06-29 - 2018-06-29.

2017

  • Academic lecture
    Duffy, 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) . IEEE; Hawaii. 2017-06-04 - 2017-06-09.
  • Academic lecture
    Gecan, 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 ; 2017-01-15 - 2017-01-18.
  • Academic lecture
    Lasser, 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 . IEEE; Florida. 2017-04-24 - 2017-04-25.
  • Academic lecture
    Olavsbråten, Morten. (2017) A novel Load Modulated Envelope Tracking PA technique. 2017 IEEE MTT-S International Microwave Symposium (IMS) . IEEE; Hawaii. 2017-06-05 - 2017-06-05.
  • Academic lecture
    Olavsbråten, Morten; Gecan, Dragan. (2017) A New bandwidth reduction technique for the supply modulator in ET. IEEE Seminar, Colorado Chapter . IEEE Colorado; Boulder, CO. 2017-07-26 - 2017-07-26.
  • Academic lecture
    Olavsbråten, 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 . IEEE Colorado; Boulder, CO. 2017-07-26 - 2017-07-26.
  • Academic lecture
    Olavsbråten, 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) . IEEE; Nurnberg. 2017-10-10 - 2017-10-12.
  • Academic lecture
    Olavsbråten, 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 . Keysight Technologies; Santa Rosa. 2017-06-29 - 2017-06-29.
  • Academic lecture
    Olavsbråten, 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 . Qualcomm; San Diego. 2017-06-26 - 2017-06-26.
  • Academic lecture
    Olavsbråten, 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 . IEEE; Florida. 2017-04-24 - 2017-04-25.

2016

  • Academic lecture
    Gecan, 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 ; 2016-11-22 - 2016-11-23.
  • Academic lecture
    Gecan, 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 ; 2016-11-22 - 2016-11-23.
  • Lecture
    Gecan, 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 . ACES; Honolulu. 2016-03-13 - 2016-03-17.
  • Poster
    Gecan, 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 . IEEE; Austin, TX. 2016-01-15 - 2016-01-18.
  • Lecture
    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. IMS . IEEE; San Francisco. 2016-07-22 - 2016-07-27.
  • Academic lecture
    Olavsbråten, 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 . ARFTG; Austin, TX. 2016-12-06 - 2016-12-09.
  • Academic lecture
    Olavsbråten, Morten. (2016) Gate Tracking & Power Envelope Tracking - What? Why? How?. Group Meeting at University of Colorado at Boulder . University of Colorado at Boulder; Boulder. 2016-09-13 - 2016-09-13.
  • Academic lecture
    Olavsbråten, Morten. (2016) PA-Activities at NTNU. Group Meeting at University of Colorado at Boulder . University of Colorado at Boulder; Boulder. 2016-09-06 - 2016-09-06.

2015

  • Academic lecture
    Olavsbråten, Morten. (2015) Circuit and Radio Systems Group at NTNU. Group Meeting at University of Colorado at Boulder . University of Colorado at Boulder; Boulder. 2015-02-02 - 2015-02-02.

2012

  • Academic lecture
    Miranda Medina, Juan Filipe; 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 . IEEE; 2012-01-15 - 2012-01-18.
  • Academic lecture
    Miranda Medina, Juan Filipe; 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) . IEEE; 2012-09-03 - 2012-09-04.

2010

  • Academic lecture
    Miranda Medina, Juan Filipe; Olavsbråten, Morten. (2010) Dynamic Biasing for Linear and Efficient Microwave Amplification. IEEE Topical Symposium on Power Amplifiers for Wireless Communications . IEEE; Arizona. 2010-09-13 - 2010-09-14.
  • Academic lecture
    Miranda Medina, Juan Filipe; Olavsbråten, Morten. (2010) Dynamic Biasing for class A/AB Power Amplifiers. 4th MC Meeting and Workshop of COST IC0803 . COST IC0803; Aveiro. 2010-02-24 - 2010-02-25.
  • Academic lecture
    Miranda Medina, Juan Filipe; 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 . IEEE; 2010-08-28 - 2010-09-03.
  • Academic lecture
    Olavsbråten, Morten. (2010) NVNA activities at NTNU. NVNA User Forum . NVNA User Forum; Paris. 2010-09-29 - 2010-09-29.
  • Academic lecture
    Olavsbråten, 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 . IEEE; 2010-09-13 - 2010-09-14.

2009

  • Academic lecture
    Caharija, Walter; Miranda Medina, Juan Filipe; Olavsbråten, Morten; Gjertsen, Karl M. (2009) A cost-based path search algorithm for enhanced design with Dynamic Bias. 17th Telecommunications forum TELFOR . TELECOMMUNICATIONS SOCIETY - TS, Belgrade; Belgrade, Serbia. 2009-11-24 - 2009-11-26.
  • Academic lecture
    Miranda Medina, Juan Filipe; 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 . TELECOMMUNICATIONS SOCIETY - TS, Belgrade; Belgrade, Serbia. 2009-11-24 - 2009-11-26.
  • Academic lecture
    Typpo, Jukka Tapio; Olavsbråten, Morten. (2009) A New Inverse Class E Power Amplifier Topology. IEEE Topical Symposium on Power Amplifiers for Wireless Communications . IEEE; San Diego, California. 2009-01-19 - 2009-01-20.
  • Academic lecture
    Ubostad, Marius; Olavsbråten, Morten. (2009) A Testbench for Analysis of Bias Network Effects in an RF Power Amplifier with DPD. IEEE Radio and Wireless Symposium ; San Diego, California. 2009-01-18 - 2009-01-22.
  • Poster
    Ubostad, Marius; Olavsbråten, Morten. (2009) Analysis of an RF Power Amplifier for Envelope Tracking based on load-pull Data. 74th ARFTG Microwave Measurement Conference . ARFTG; Broomfield/Boulder, Colorado. 2009-12-01 - 2009-12-04.

2008

  • Academic lecture
    Safari, Nima; Olavsbråten, Morten; Røste, Terje. (2008) On the Optimization of Biasing Points in a Digitally-Linearized Power Amplifier. European Microwave Conference ; Amsterdam. 2008-10-27 - 2008-10-31.
  • Academic lecture
    Ubostad, Marius; Safari, Nima; Olavsbråten, Morten. (2008) Measurement Setup for Design of RF Power Amplifier with Digital Predistortion. WSEAS Conference in Trondheim . WSEAS; Trondheim. 2008-07-02 - 2008-07-04.

2007

  • Academic lecture
    Ubostad, Marius; Olavsbråten, Morten. (2007) Active Bias Circuit used for Linearity Improvement in an HBT Power Amplifier. IEEE Radio and Wireless Symposium . IEEE; Long Beach, California. 2007-01-09 - 2007-01-11.

2006

  • Popular scientific lecture
    Olavsbråten, Morten. (2006) Power Amplifiers. Nera SatCom Seminarserie . Nera SatCom; Billingstad. 2006-03-22.
  • Popular scientific lecture
    Olavsbråten, Morten; Jensen, Øystein. (2006) Research Projects (WIWIC / WIWIC II / TARGET & Class F PA design). Nera SatCom Fagmøte . Nera SatCom; Billingstad. 2006-03-22.

2004

  • Popular scientific lecture
    Olavsbråten, Morten. (2004) NTNU – Dept of electronics and telecommunication: Microwave activities. NoE TARGET (IST-1-507893-NOE) WP 2.2.E.2 Meeting . NoE TARGET (IST-1-507893-NOE) WP 2.2.E.2; London. 2004-12-15.
  • Popular scientific lecture
    Olavsbråten, Morten. (2004) WIWIC / WIWIC II & an Introduction to Power Amplifier Efficiency. CUBAN seminar . Institutt for elektronikk og telekommunikasjon; Trondheim. 2004-03-25.

2003

  • Poster
    Olavsbråten, 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 . [Mangler data]; Philladelphia. 2003-06-06.

2002

  • Academic lecture
    Olavsbråten, 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 . [Mangler data]; Seattle, USA. 2002-06-07.

2001

  • Academic lecture
    Olavsbråten, 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 . [Mangler data]; London, UK. 2001-09-25.

2000

  • Academic lecture
    Olavsbråten, Morten. (2000) A Practical Method of Parameter Extraction for the VBIC Model used on a GaAs HBT. GAAS2000 - Gallium Arsenide & Other Semiconductors Application Symposium . [Mangler data]; 2nd - 3rd October 2000. 2000-10-02.

1997

  • Popular scientific lecture
    Olavsbråten, Morten. (1997) Active antenna system for a METEOSAT receiver. 3rd ASIC in RFS Systems Seminar . [Mangler data]; Trondheim.
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