2024

• Academic lecture
  Hagen, Anders Ivar; Olavsbråten, Morten. (2024) A Method for Improved Phase Characteristics in a GaN PA for Supply Modulation. German Microwave Conference 2024-03-11 - 2024-03-13

2023

• Poster
  Olavsbråten, Morten; Hagen, Anders Ivar; Løhren, Hans-Robert. (2023) Phase Distortion Reduction of Flat Gain Envelope Tracked GaN RF PAs. EuMA 2023 53rd European Microwave Conference (EuMC) , Berlin 2023-09-19 - 2023-09-21

2022

• Academic lecture
  Eltayeb, Mathani Abdalla Mohamed; Olavsbråten, Morten; Gibiino, Gian Piero; Santarelli, Alberto. (2022) Analog Linearization of a 10-W GaN Power Amplifier by Baseband Feedback. EuMA 2021 16th European Microwave Integrated Circuits Conference (EuMIC) , London 2022-04-03 - 2022-04-04

2019

• Academic lecture
  Kostadinov, Atanas; Guitberg, Vitali; Olavsbråten, Morten; Kouzaev, Guennadi. (2019) Multi-Logics Gates. IEEE 2019 International Seminar on Electron Devices Design and Production (SED) , Prague 2019-04-23 - 2019-04-24

2018

• 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. School of Engineering, Cardiff University Invited talk at Cardiff University , Cardiff 2018-06-29 - 2018-06-29
• Academic lecture
  Olavsbråten, Morten; Gecan, Dragan. (2018) Bandwidth reduction techniques for the Supply Modulated RFPAs (ET) usable for wideband- and multicarrier signals. School of Engineering, Cardiff University Invited talk at 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). IEEE 2018 IEEE 19th Wireless and Microwave Technology Conference (WAMICON) , 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. MC2, Chalmers Invited talk at MC2, Chalmers , Gøteborg 2018-06-04 - 2018-06-04

2017

• Academic lecture
  Olavsbråten, Morten; Mathiesen, Terje; Berry, Eric. (2017) Design of an efficient wideband (1–5GHz) 10W PA in GaN technology using harmonic tuning. IEEE Wireless and Microwave Technology Conference (WAMICON), 2017 IEEE 18th , Florida 2017-04-24 - 2017-04-25
• 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. IEEE Wireless and Microwave Technology Conference (WAMICON), 2017 IEEE 18th , Florida 2017-04-24 - 2017-04-25
• 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. Qualcomm Seminar at Qualcomm , San Diego 2017-06-26 - 2017-06-26
• 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. Keysight Technologies Seminar at Keysight Technologies , Santa Rosa 2017-06-29 - 2017-06-29
• 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
  Olavsbråten, Morten; Gecan, Dragan. (2017) A New bandwidth reduction technique for the supply modulator in ET. IEEE Colorado IEEE Seminar, Colorado Chapter , 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 Colorado IEEE Seminar, Colorado Chapter , 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. IEEE 2017 47th European Microwave Conference (EuMC) , Nurnberg 2017-10-10 - 2017-10-12
• 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. IEEE 2017 IEEE MTT-S International Microwave Symposium (IMS) , Hawaii 2017-06-04 - 2017-06-09
• Academic lecture
  Olavsbråten, Morten. (2017) A novel Load Modulated Envelope Tracking PA technique. IEEE 2017 IEEE MTT-S International Microwave Symposium (IMS) , Hawaii 2017-06-05 - 2017-06-05

2016

• 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. ACES ICWITS/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. IEEE Radio and Wireless Week , Austin, TX 2016-01-15 - 2016-01-18
• 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
• 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
  Olavsbråten, Morten. (2016) PA-Activities at NTNU. University of Colorado at Boulder Group Meeting at University of Colorado at Boulder , Boulder 2016-09-06 - 2016-09-06
• Academic lecture
  Olavsbråten, Morten. (2016) Efficiency and linearity issues in design of efficient wideband PA's based on class F/inverse F. ARFTG 88 th ARFTG Microwave Measurement Symposium , Austin, TX 2016-12-06 - 2016-12-09
• Academic lecture
  Olavsbråten, Morten. (2016) Gate Tracking & Power Envelope Tracking - What? Why? How?. University of Colorado at Boulder Group Meeting at University of Colorado at Boulder , Boulder 2016-09-13 - 2016-09-13
• 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. IEEE IMS , San Francisco 2016-07-22 - 2016-07-27

2015

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

2012

• Academic lecture
  Miranda Medina, Juan Filipe; Olavsbråten, Morten; Gjertsen, Karl M. (2012) Biasing an HBT MMIC transistor for efficiency and output power enhancement. IEEE 2012 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC) 2012-09-03 - 2012-09-04
• Academic lecture
  Miranda Medina, Juan Filipe; Gjertsen, Karl M; Olavsbråten, Morten. (2012) Optimization theory applied to dynamic biasing for power amplifier performance enhancement. IEEE Power Amplifiers for Wireless and Radio Applications (PAWR), 2012 IEEE Topical Conference on 2012-01-15 - 2012-01-18

2010

• 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 IEEE Topical Symposium on Power Amplifiers for Wireless Communications 2010-09-13 - 2010-09-14
• Academic lecture
  Miranda Medina, Juan Filipe; Olavsbråten, Morten. (2010) Dynamic Biasing for class A/AB Power Amplifiers. COST IC0803 4th MC Meeting and Workshop of COST IC0803 , Aveiro 2010-02-24 - 2010-02-25
• Academic lecture
  Miranda Medina, Juan Filipe; Olavsbråten, Morten. (2010) Dynamic Biasing for Linear and Efficient Microwave Amplification. IEEE IEEE Topical Symposium on Power Amplifiers for Wireless Communications , Arizona 2010-09-13 - 2010-09-14
• 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. IEEE Wireless Information Technology and Systems (ICWITS), 2010 IEEE International Conference on 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

2009

• 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
• Academic lecture
  Typpo, Jukka Tapio; Olavsbråten, Morten. (2009) A New Inverse Class E Power Amplifier Topology. IEEE IEEE Topical Symposium on Power Amplifiers for Wireless Communications , San Diego, California 2009-01-19 - 2009-01-20
• Poster
  Ubostad, Marius; Olavsbråten, Morten. (2009) Analysis of an RF Power Amplifier for Envelope Tracking based on load-pull Data. ARFTG 74th ARFTG Microwave Measurement Conference , Broomfield/Boulder, Colorado 2009-12-01 - 2009-12-04
• 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. TELECOMMUNICATIONS SOCIETY - TS, Belgrade 17th Telecommunications forum TELFOR , 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. TELECOMMUNICATIONS SOCIETY - TS, Belgrade 17th Telecommunications forum TELFOR , Belgrade, Serbia 2009-11-24 - 2009-11-26

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 WSEAS Conference in Trondheim , 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 IEEE Radio and Wireless Symposium , Long Beach, California 2007-01-09 - 2007-01-11

2006

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

2004

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

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 , 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 , 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 , 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 , 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 , Trondheim