2023
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1. |
Olavsbråten, Morten; Hagen, Anders Ivar; Løhren, Hans-Robert. Phase Distortion Reduction of Flat Gain Envelope Tracked GaN RF PAs. 2023 53rd European Microwave Conference (EuMC); 2023-09-19 - 2023-09-21 NTNU
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2022
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2. |
Eltayeb, Mathani Abdalla Mohamed; Olavsbråten, Morten; Gibiino, Gian Piero; Santarelli, Alberto. Analog Linearization of a 10-W GaN Power Amplifier by Baseband Feedback. 2021 16th European Microwave Integrated Circuits Conference (EuMIC); 2022-04-03 - 2022-04-04 NTNU
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2019
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3. |
Kostadinov, Atanas; Guitberg, Vitali; Olavsbråten, Morten; Kouzaev, Guennadi. Multi-Logics Gates. 2019 International Seminar on Electron Devices Design and Production (SED); 2019-04-23 - 2019-04-24 NTNU
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2018
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4. |
Duffy, Maxwell R; Lasser, Gregor; Olavsbråten, Morten; Berry, Eric; Popovic, Zoya. Efficient Multisignal 2–4-GHz Power Amplifier With Power Tracking. IEEE transactions on microwave theory and techniques 2018 ;Volum 66.(12) s. 5652-5663 NTNU
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5. |
Olavsbråten, Morten; Gecan, Dragan. Bandwidth reduction techniques for the Supply Modulated RFPAs (ET) usable for wideband- and multicarrier signals.. Invited talk at Cardiff University; 2018-06-29 - 2018-06-29 NTNU
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6. |
Olavsbråten, Morten; Gecan, Dragan. 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); 2018-04-09 - 2018-04-10 NTNU
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7. |
Olavsbråten, Morten; Gecan, Dragan. New Signal to Total Distortion Ratio FOM for PAs, and supply modulator bandwidth reduction for ET GaN PAs. Invited talk at MC2, Chalmers; 2018-06-04 - 2018-06-04 NTNU
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8. |
Olavsbråten, Morten; Gecan, Dragan; Gjertsen, Karl Martin. 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; 2018-06-29 - 2018-06-29 NTNU
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2017
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9. |
Duffy, Maxwell; Lasser, Gregor; Vance, Jason; Olavsbråten, Morten; Barton, Taylor; Popovic, Zoya. 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); 2017-06-04 - 2017-06-09 NTNU
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10. |
Duffy, Maxwell R; Lasser, Gregor; Vance, Jason; Olavsbråten, Morten; Barton, Taylor; Popovic, Zoya. Bandwidth-reduced supply modulation of a high-efficiency X-band GaN MMIC PA for multiple wideband signals. IEEE MTT-S International Microwave Symposium Digest 2017 s. 1850-1853 NTNU
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11. |
Gecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. 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 NTNU
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12. |
Lasser, Gregor; Duffy, Maxwell; Olavsbråten, Morten; Popovic, Zoya. Gate control of a two-stage GaN MMIC amplifier for amplitude and phase linearization. Wireless and Microwave Technology Conference (WAMICON), 2017 IEEE 18th; 2017-04-24 - 2017-04-25 NTNU
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13. |
Olavsbråten, Morten. A novel Load Modulated Envelope Tracking PA technique. 2017 IEEE MTT-S International Microwave Symposium (IMS); 2017-06-05 - 2017-06-05 NTNU
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14. |
Olavsbråten, Morten; Gecan, Dragan. A New bandwidth reduction technique for the supply modulator in ET. IEEE Seminar, Colorado Chapter; 2017-07-26 - 2017-07-26 NTNU
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15. |
Olavsbråten, Morten; Gecan, Dragan. Bandwidth Reduction for Supply Modulated RF PAs Using Power Envelope Tracking. IEEE Microwave and Wireless Components Letters 2017 ;Volum 27.(4) s. 374-376 NTNU
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16. |
Olavsbråten, Morten; Gecan, Dragan. Novel total nonlinear distortion measure and a new Signal to Total Distortion Ratio FOM for evaluation and optimization. IEEE Seminar, Colorado Chapter; 2017-07-26 - 2017-07-26 NTNU
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17. |
Olavsbråten, Morten; Gecan, Dragan; Duffy, Maxwell; Lasser, Gregor; Popovic, Zoya. Efficiency enhancement and linearization of GaN PAs using reduced-bandwidth supply modulation. 2017 47th European Microwave Conference (EuMC); 2017-10-10 - 2017-10-12 NTNU
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18. |
Olavsbråten, Morten; Gecan, Dragan; Gjertsen, Karl M. New Signal to Total Distortion Ratio FOM for PAs, and supply modulator bandwidth reduction for ET GaN PAs. Seminar at Qualcomm; 2017-06-26 - 2017-06-26 NTNU
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19. |
Olavsbråten, Morten; Gecan, Dragan; Gjertsen, Karl M. New Signal to Total Distortion Ratio FOM for PAs, and supply modulator bandwidth reduction for ET GaN PAs. Seminar at Keysight Technologies; 2017-06-29 - 2017-06-29 NTNU
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20. |
Olavsbråten, Morten; Mathiesen, Terje; Berry, Eric. Design of an efficient wideband (1–5GHz) 10W PA in GaN technology using harmonic tuning. Wireless and Microwave Technology Conference (WAMICON), 2017 IEEE 18th; 2017-04-24 - 2017-04-25 NTNU
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2016
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21. |
Gecan, Dragan; Gjertsen, Karl Martin; Olavsbråten, Morten. 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 2016 ;Volum 27.(1) s. 85-87 NTNU
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22. |
Gecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl M.. 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 NTNU
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23. |
Gecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl M.. 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 NTNU
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24. |
Gecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. Investigation of Linearity Improvement with Dynamic Gate Bias Technique for Flat Gain or Phase of an 10 W GaN HEMT Power Amplifier. ICWITS/ACES; 2016-03-13 - 2016-03-17 NTNU
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25. |
Gecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. Investigation of the Practical Output Load Impedance Sensitivity of a 10 W GaN Device Subjected to Gate Bias Variation. Radio and Wireless Week; 2016-01-15 - 2016-01-18 NTNU
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26. |
Gecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. 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 2016 ;Volum 2016-August. NTNU
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27. |
Gecan, Dragan; Olavsbråten, Morten; Gjertsen, Karl Martin. Measured Linearity Improvement of 10 W GaN HEMT PA with Dynamic Gate Biasing Technique for Flat Transfer Phase. IMS; 2016-07-22 - 2016-07-27 NTNU
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28. |
Olavsbråten, Morten. Efficiency and linearity issues in design of efficient wideband PA's based on class F/inverse F. 88 th ARFTG Microwave Measurement Symposium; 2016-12-06 - 2016-12-09 NTNU
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29. |
Olavsbråten, Morten. Gate Tracking & Power Envelope Tracking - What? Why? How?. Group Meeting at University of Colorado at Boulder; 2016-09-13 - 2016-09-13 NTNU
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30. |
Olavsbråten, Morten. PA-Activities at NTNU. Group Meeting at University of Colorado at Boulder; 2016-09-06 - 2016-09-06 NTNU
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2015
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31. |
Olavsbråten, Morten. Circuit and Radio Systems Group at NTNU. Group Meeting at University of Colorado at Boulder; 2015-02-02 - 2015-02-02 NTNU
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2012
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32. |
Miranda Medina, Juan Filipe; Gjertsen, Karl M; Olavsbråten, Morten. Optimization theory applied to dynamic biasing for power amplifier performance enhancement. Power Amplifiers for Wireless and Radio Applications (PAWR), 2012 IEEE Topical Conference on; 2012-01-15 - 2012-01-18 NTNU
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33. |
Miranda Medina, Juan Filipe; Olavsbråten, Morten; Gjertsen, Karl M. Biasing an HBT MMIC transistor for efficiency and output power enhancement. 2012 Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC); 2012-09-03 - 2012-09-04 NTNU
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2010
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34. |
Miranda Medina, Juan Filipe; Olavsbråten, Morten. Dynamic Biasing for class A/AB Power Amplifiers. 4th MC Meeting and Workshop of COST IC0803; 2010-02-24 - 2010-02-25 NTNU
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35. |
Miranda Medina, Juan Filipe; Olavsbråten, Morten. Dynamic Biasing for Linear and Efficient Microwave Amplification. IEEE Topical Symposium on Power Amplifiers for Wireless Communications; 2010-09-13 - 2010-09-14 NTNU
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36. |
Miranda Medina, Juan Filipe; Olavsbråten, Morten; Gjertsen, Karl M. First and second order polynomial functions for bandwidth reduction of dynamic biasing signals. Wireless Information Technology and Systems (ICWITS), 2010 IEEE International Conference on; 2010-08-28 - 2010-09-03 NTNU
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37. |
Olavsbråten, Morten. NVNA activities at NTNU. NVNA User Forum; 2010-09-29 - 2010-09-29 NTNU
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38. |
Olavsbråten, Morten; Ubostad, Marius; Mogstad, Einar. Transistor Output Parasitics and Intrinsic Waveforms Estimation by Time-domain Waveform Measurements and Load-Pull. IEEE Topical Symposium on Power Amplifiers for Wireless Communications; 2010-09-13 - 2010-09-14 NTNU
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2009
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39. |
Caharija, Walter; Miranda Medina, Juan Filipe; Olavsbråten, Morten; Gjertsen, Karl M. A cost-based path search algorithm for enhanced design with Dynamic Bias. 17th Telecommunications forum TELFOR; 2009-11-24 - 2009-11-26 NTNU
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40. |
Miranda Medina, Juan Filipe; Caharija, Walter; Olavsbråten, Morten; Gjertsen, Karl M. Dual Dynamic Biasing with Input Power Pre compensation for Class-A/AB enhancement. 17th Telecommunications forum TELFOR; 2009-11-24 - 2009-11-26 NTNU
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41. |
Typpo, Jukka Tapio; Olavsbråten, Morten. A New Inverse Class E Power Amplifier Topology. IEEE Topical Symposium on Power Amplifiers for Wireless Communications; 2009-01-19 - 2009-01-20 NTNU
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42. |
Ubostad, Marius; Olavsbråten, Morten. A Testbench for Analysis of Bias Network Effects in an RF Power Amplifier with DPD. IEEE Radio and Wireless Symposium; 2009-01-18 - 2009-01-22 NTNU
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43. |
Ubostad, Marius; Olavsbråten, Morten. Analysis of an RF Power Amplifier for Envelope Tracking based on load-pull Data. 74th ARFTG Microwave Measurement Conference; 2009-12-01 - 2009-12-04 NTNU
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2008
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44. |
Olavsbråten, Morten; O'droma, Mairtin. Aspects of system simulation. I: RF Power Amplifier Behavioral Modeling. Cambridge University Press 2008 ISBN 978-0-521-88173-9. s. 233-253 NTNU
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45. |
Safari, Nima; Olavsbråten, Morten; Røste, Terje. On the Optimization of Biasing Points in a Digitally-Linearized Power Amplifier. European Microwave Conference; 2008-10-27 - 2008-10-31 NTNU
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46. |
Ubostad, Marius; Safari, Nima; Olavsbråten, Morten. Measurement Setup for Design of RF Power Amplifier with Digital Predistortion. WSEAS Conference in Trondheim; 2008-07-02 - 2008-07-04 NTNU
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2007
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47. |
Ubostad, Marius; Olavsbråten, Morten. Active Bias Circuit used for Linearity Improvement in an HBT Power Amplifier. IEEE Radio and Wireless Symposium; 2007-01-09 - 2007-01-11 NTNU
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2006
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48. |
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. Chapter 7: PA Model Simulation Aspects; Final Deliverable Report in Work Package 2.2.E.2 “Amplifier Modelling”. Wien, Østerike: NoE TARGET (IST-1-507893-NOE) 2006 49 s. NTNU
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49. |
Olavsbråten, Morten. Power Amplifiers. Nera SatCom Seminarserie; 2006-03-22 NTNU
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50. |
Olavsbråten, Morten; Jensen, Øystein. Research Projects (WIWIC / WIWIC II / TARGET & Class F PA design). Nera SatCom Fagmøte; 2006-03-22 NTNU
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