Journal publications

94.   H. Wang, P. M. Asbeck and C. Fager, Millimeter-Wave Power Amplifier Integrated Circuits for High Dynamic Range Signals​, IEEE Journal of Microwaves, vol. 1, no. 1, pp. 299-316, January 2021 (ELEMENT)

93.   J. Bremer, D.Y Chen, A. Malko, M. Madel, N. Rorsman, S. E. Gunnarsson, K. Andersson, T. M. J. Nilsson, P. E. Raad, P. L. Komarov, T. L. Sandy, M. Thorsell., Electric-Based Thermal Characterization of GaN Technologies Affected by Trapping Effects, IEEE Trans. Electron Devices, vol. 67, no. 5, pp. 1952–1958, May 2020 (THERMAL)*

92.   E. Cha, N. Wadefalk, G. Moschetti, A. Pourkabirian, J. Stenarson, J. Grahn, InP HEMTs for Sub-mW Cryogenic Low-Noise Amplifiers, IEEE Electron Dev. Letters 41(7) 1005-1008 (2020). (ITHZS)*

91.   N. Kolomvakis, T. Eriksson, M. Coldrey, M. Viberg, Reconstruction of Clipped Signals in Quantized Uplink Massive MIMO Systems​, IEEE Trans. Communications vol. 68, no. 5, pp 2891-2905, 2020. (SURF)*

90.   W. Hallberg, D. Nopchinda, C. Fager and K. Buisman, Emulation of Doherty Amplifiers Using Single- Amplifier Load–Pull Measurements, IEEE Microwave and Wireless Components Letters, vol. 30, no. 1, pp. 47-49, Jan. 2020. (ELEMENT

89.   A. Ugolini, A. Piemontese, T. Eriksson, Spiral Constellations for Phase Noise Channels, accepted to IEEE Trans. Communications (SURF), 2019

88.   M. Abdulaziz, H. V. Hünerli, K. Buisman, and C. Fager, Improvement of AM-PM in a 33 GHz CMOS SOI power amplifier using PMOS neutralization, to appear in IEEE Microwave and Wireless Components Letters, 2019 (ELEMENT)*

87.   C. Fager, T. Eriksson, F. Barradas, K. Hausmair, T. Cunha and J. C. Pedro, Linearity and Efficiency in 5G Transmitters: New Techniques for Analyzing Efficiency, Linearity, and Linearization in a 5G Active Antenna Transmitter Context, in IEEE Microwave Magazine, vol. 20, no. 5, pp. 35-49, May 2019. DOI: 10.1109/MMM.2019.2898020 (ELEMENT)

86.   Isabel Harrysson Rodrigues, David Niepce, Arsalan Pourkabirian, Giuseppe Moschetti, Joel Schleeh, Thilo Bauch, and Jan Grahn, On the Angular Dependence of InP High Electron Mobility Transistors for Cryogenic Low Noise Amplifers in a Magnetic Field, AIP Advances 9, 085004 (2019). (ITHZS)*

85.   W. Hallberg, M. Özen, D. Kuylenstierna, K. Buisman, and C. Fager, A Generalized 3-dB Wilkinson Power Divider/Combiner with Complex Terminations​ IEEE Trans. Microwave Theory Tech., vol. 66, pp. 4497 - 4506, 2018. DOI: 10.1109/TMTT.2018.2859305 (ELEMENT)*

84.   Eunjung Cha, Niklas Wadefalk, Per-Åke Nilsson, Joel Schleeh, Giuseppe Moschetti, Arsalan Pourkabirian, Silvia Tuzi, and Jan Grahn, 0.3-14 and 16-28 GHz Wide-Bandwidth Cryogenic MMIC Low-Noise Amplifiers, IEEE Trans. Microwave Theory Techn. 66(11) 4860-4869 (2018), DOI 10.1109/TMTT.2018.2872566 (ITHZS)*

83.   A. Hammar, P. Sobis, V. Drakinskiy, A. Emrich, N. Wadefalk, J. Schleeh, et.al., Low noise 874 GHz receivers for the International Submillimetre Airborne Radiometer (ISMAR), Review of Scientific Instruments 89 (5), 055104 (2018) (ITHZS)*, DOI 10.1063/1.5017583 (ITHZS)*

82.   Christopher Mollén, Ulf Gustavsson, Thomas Eriksson, and Erik G. Larsson, Impact of Spatial Filtering on Distortion from Low-Noise Amplifiers in Massive MIMO Base Stations, IEEE Trans. Commun, vol. 66, no. 12, pp. 6050-6067, Dec. 2018, DOI: 10.1109/TCOMM.2018.2850331 (SURF)

81.   J. Bremer, J. Bergsten, L. Hanning, T. Nilsson, N. Rorsman, S. Gustafsson, A. M. Eriksson, and M. Thorsell, Analysis of Lateral Thermal Coupling for GaN MMIC Technologies, IEEE Trans. Microw. Theory Tech., vol. 66, no. 10, pp. 4430–4438 Okt, Feb. 2018. 10.1109/TMTT.2018.2848932 (THERMAL)*

80.   Jessica Chani-Cahuana, Christian Fager, and Thomas Eriksson, Lower Bound for the Normalized Mean Square Error in Power Amplifier linearization, IEEE Microwave and Wireless Components Letters, 28 Issue: 5 (2018) DOI: 10.1109/LMWC.2018.2817021 (ELEMENT)

79.   A. Prasad, M. Thorsell, H. Zirath, and C. Fager, Accurate Modeling of GaN HEMT RF Behavior Using an Effective Trapping Potential, IEEE Trans. Microw. Theory Tech., vol. 66, no. 2, pp. 845–857, Feb. 2018. DOI: 10.1109/TMTT.2017.2748950 (THERMAL)

78.   Eunjung Cha, Giuseppe Moschetti, Niklas Wadefalk, Per-Åke Nilsson, Stella Bevilacqua, Arsalan Pourkabirian, Piotr Starski and Jan Grahn, Two-Finger InP HEMT Design for Stable Cryogenic Operation of Ultra-Low-Noise Ka- and Q-band LNAs, IEEE Trans. Microwave Theory Techn. 65(12) 5171-5180 (2017). DOI: 10.1109/TMTT.2017.2765318 (ITHZS)*

77.   M. Ozen, M. van der Heijden, M. Acar, R. Jos, and C. Fager, A Generalized Combiner Synthesis Technique for Class-E Outphasing Transmitters, IEEE Trans. Circuits Syst. I Regul. Pap., vol. 64, no. 5, pp. 1126–1139, May 2017. DOI: 10.1109/TCSI.2016.2636155 (ELEMENT)*

76.   K. Hausmair et al., Prediction of Nonlinear Distortion in Wideband Active Antenna Arrays, IEEE Trans. Microw. Theory Tech., vol. 65, no. 11, pp. 4550–4563, Nov. 2017. DOI: 10.1109/TMTT.2017.2699962 (ELEMENT)*

75.   M. Ozen, N. Rostomyan, K. Aufinger, and C. Fager, Efficient Millimeter Wave Doherty PA Design Based on a Low-Loss Combiner Synthesis Technique, IEEE Microw. Wirel. Components Lett., vol. 27, no. 12, pp. 1143–1145, Dec. 2017. DOI: 10.1109/LMWC.2017.2763739 (ELEMENT)*

74.   K. Hausmair, P. N. Landin, U. Gustavsson, C. Fager, and T. Eriksson, Digital Predistortion for Multi-Antenna Transmitters Affected by Antenna Crosstalk, IEEE Trans. Microw. Theory Tech., pp. 1–12, 2017. DOI: 10.1109/TMTT.2017.2748948, (ELEMENT)*

73.   Jessica Chani Cahuana, M. Özen, Christian Fager, and Thomas Eriksson, Digital Predistortion Parameter Identification for RF Power Amplifiers Using Real-Valued Output Data, IEEE Transactions on Circuits and Systems II: Express Briefs (10), p. 1227-1231, 2017 DOI: 10.1109/TCSII.2017.2686004 (ELEMENT)

72.   M. A. McCulloch, J. Grahn, S. J. Melhuish, P-Å. Nilsson, L. Piccirillo, J. Schleeh, and N. Wadefalk, “Dependence ofNoise Temperature on Physical Temperature for Cryogenic Low Noise Amplifiers”​, Journal of Astronomical Telescopes, Instruments, and Systems, accepted (2017). (INTEL)

71.   M. Hörberg, T. Emanuelsson, P. Ligander, S. Lai, H. Zirath, D. Kuylenstierna, “RFMEMS Tuned GaN HEMT based Cavity Oscillator for X-band”, IEEE Microw. Compon. Lett., vol. 27, pp. 46-48, 2017. (GANOSC+)

70.   M. Özen, M. Heijden, M. Acar, R. Jos, and C. Fager, "A Generalized Combiner Synthesis Technique for Class-E Outphasing Transmitters", to appear in IEEE Trans. Circ. Syst. I, 2017. (SITRA)

69.   J. Chani Cahuana, P. N. Landin, C. Fager, and T. Eriksson, "Iterative Learning Control for RF Power Amplifier Linearization", IEEE Trans. Microwave Theory Tech., vol. 64, pp. 2778-2789, 2016. (SITRA)

68.   M. Özen, K. Andersson, and C. Fager, "Symmetrical Doherty Power Amplifier with Extended Efficiency Range," to appear in IEEE Trans. Microwave Theory Tech., 2016. (SITRA)

67.   R. Pengelly, C. Fager, and M. Özen. “Doherty's Legacy: A History of the Doherty Power Amplifier from 1936 to the Present Day”, IEEE Microwave Magazine, Jan 2016, pp. 41-58. (SITRA)

66.   Axelsson, O., Gustafsson, S., Hjelmgren, H., Rorsman, N., Blanck, H., Splettstoesser, J., Thorp, J.,  Roedle, T., Thorsell, M. “Application Relevant Evaluation of Trapping Effects in AlGaN/GaN HEMTs With Fe-Doped Buffer,” IEEE Transactions on Electron Devices, vol. 63, no. 1, pp. 326–332, Jan. 2016. (TOPGAN)*

65.   S. Gustafsson, J. Chen, J. Bergsten, U. Forsberg, M. Thorsell, E. Janzen, and N. Rorsman, “Dispersive Effects in Microwave AlGaN/AlN/GaN HEMTs With Carbon-Doped Buffer,” IEEE Trans. Electron Devices, vol. 62, no. 7, pp. 2162–2169, Jul. 2015. (TOPGAN)*

64.   C. Sanchez-Perez, M. Ozen, C. A. Andersson, D. Kuylenstierna, N. Rorsman, and C. Fager, "Optimized Design of a Dual-Band Power Amplifier With SiC Varactor-Based Dynamic Load Modulation," IEEE Transactions on Microwave Theory and Techniques, vol.63, no.8, pp.2579-2588, Aug. 2015 (SITRA)

63.   T. D. Thanh Ngoc, A. Malmros, P. Gamarra, C. Lacam, M. A. di Forte-Poisson, M. Tordjman, M. Hörberg, R. Aubry, N. Rorsman, and D. Kuylenstierna, ”Effects of Surface Passivation and Deposition Methods on the 1/f Noise Performance of AlInN/AlN/GaN High Electron Mobility Transistors”, IEEE Electron Device Lett. 36(4), 315-317 (2015). (GANOSC+)

62.   M. Hörberg, T. Emanuelsson, S-H. Lai, T. D. Thanh Ngoc, H. Zirath, and D. Kuylenstierna, “Phase-Noise Analysis of an X-Band Ultra-Low Phase-Noise GaN HEMT Based Cavity Oscillator”, IEEE Transactions on Microwave Theory and Techniques, 63(8), 2619-2629 (2015). (GANOSC+)

61.   P. N. Landin, S. Gustafsson, C. Fager, and T. Eriksson, “WebLab: A Web-Based Setup for PA Digital Predistortion and Characterization”, IEEE Microwave Magazine (1527 – 3342), vol. 16, no. 1, pp. 138- 140, 2015. (SITRA)

60.   M. R. Khanzadi, G. Durisi, and T. Eriksson, “Capacity of SIMO and MISO Phase-Noise Channels with Common/Separate Oscillators”, IEEE Transactions on Communications, (0090-6778). Vol. 63, 9, p. 3218-3231, 2015. (MATE)

59.   J. Schleeh, J. Mateos, I. Íñiguez-de-la-Torre, N.Wadefalk, P-Å. Nilsson, J. Grahn and A.J. Minnich, Phonon black-body radiation limit for heat dissipation in electronics, Nature Materials 14, 187–192 (2015)

58.   H. Rodilla, J. Schleeh, P-Å. Nilsson, and J. Grahn, Senior Member, IEEE, Cryogenic Kink Effect in InP pHEMTs: A Pulsed Measurements Study, IEEE Transactions on Electron Devices, Vol. 62, No. 2, February 2015

57.   S. Gustafsson, Student Member, IEEE, M. Thorsell, Member, IEEE, J. Stenarson, Member, IEEE, and C. Fager, Member, IEEE, An Oscilloscope Correction Method for Vector-Corrected RF Measurements, accepted for publication in IEEE Transactions on Instrumentation and Measurement, 2015

56.   Rik Jos, “RF Monte Carlo Calculation of Power Amplifier Efficiency as function of Signal Bandwidth”, International Journal of Microwave and Wireless Technologies, (2015) Cambridge University Press and the European Microwave Association, doi:10.1017/S175907871500015X (EMIT)*

55.   J. Zhang, M. Bao, D. Kuylenstierna, Member, IEEE, S. Lai, Student Member, IEEE, and H. Zirath, Fellow, IEEE, Transformer-Based Broadband High-Linearity HBT-Boosted Transconductance Mixers, IEEE Transactions on Microwave Theory and Techniques, Vol. 62, No. 1, January 2014

54.   L. Piazzon, P. Saad, P. Colantonio, F. Giannini, K. Andersson, C. Fager, Design Method for Quasi-Optimal Multiband Branch-Line Couplers, International Journal of RF and Microwave Computer-Aided Engineering, Vol. 24, No. 1, pp. 117–129, January 2014

53.   A. Hammar, M. Whale, Member, IEEE, P. Forsberg, A. Murk, A. Emrich, and J. Stake, Senior Member, IEEE, Optical Tolerance Analysis of the Multi-Beam Limb Viewing Instrument STEAMR, IEEE Transactions on Terahertz Science and Technology, Vol. 4, No. 6, November 2014

52.   S. Amin, Student Member, IEEE, P. N. Landin, P. Händel, Senior Member, IEEE, and D. Rönnow, Member, Behavioral Modeling and Linearization of Crosstalk and Memory Effects in RF MIMO Transmitters, IEEE Transactions on Microwave Theory and Techniques, Vol. 62, No. 4, April 2014

51.   J. Hanning, J. Stenarson, K. Yhland, P. Sobis, T. Bryllert, and J. Stake, "Single-flange 2-port TRL calibration for accurate THz S-parameter measurements of waveguide integrated circuits," accepted for publication in IEEE Transactions on Terahertz Science and Technology, vol. 4, 2014. (SPACETHZ)*

50.   P. Neumaier, H. Richter, J. Stake, H. Zhao, A.-Y. Tang, V. Drakinskiy, P. Sobis, A. Emrich, A. Hülsmann, T. Johansen, T. Bryllert, J. Hanning, V. Krozer, and H.-W. Hübers,"Molecular Spectroscopy With a Compact 557-GHz Heterodyne Receiver", IEEE Transactions on Terahertz Science and Technology, vol. 4, 2014. (SPACETHZ)*

49.   S. Weinreb, J.Schleeh, “Multiplicative and Additive Low-Frequency Noise in Microwave Transistors”, IEEE Transactions on Microwave Theory and Techniques, 62 (1) 83-91, 2014 (SPACETHZ)*

48.   A. Prasad, C. Fager, M. Thorsell, C. M. Andersson, and K. Yland, “Symmetrical large-signal modelling of microwave switch FET,” IEEE Transactions on Microwave Theory and Techniques, accepted for publication 2014.  (ACC)*

47.   S. Lai, D. Kuylenstierna, M. Özen, N. Rorsman, I. Angelov, and H. Zirath, ”Low Phase Noise GaN HEMT Oscillators With Excellent Figures of Merit”, IEEE Microwave and Wireless Components Letters, in press, Apr. 2014 (GANOSC).

46.   J. Schleeh, H. Rodilla, N. Wadefalk, P. Å. Nilsson, and  J. Grahn, “Cryogenic Noise Performance of InGaAs/InAlAs HEMTs Grown on InP and GaAs Substrate,” Solid-State Electronics 91, pp. 74-77, 2014. (SPACETHZ)

45.   R. Jos, “A semi-analytical, two-dimensional model for AlGaN/GaN high-electronmobility-transistor Schottky currents at high reverse voltages,” Journal of Applied Physics, 114 (074512), pp. 1 – 7, 2013. (ACC)

44.   S. Lai, D. Kuylenstierna, M. Hörberg, N. Rorsman, I. Angelov, K. Andersson, and H. Zirath, "Accurate Phase-Noise Prediction for a balanced Colpitts GaN HEMT MMIC Oscillator," IEEE Transactions on Microwave Theory and Techniques, vol. 61. Pp. 3916-3926, 2013. (GANOSC)

43.   S. Lai, M. Bao, D. Kuylenstierna, and H. Zirath, "Integrated wideband and low phase-noise signal source using two voltage-controlled oscillators and a mixer," IET Microwaves, Antennas & Propagation, Vol. 7, Issue 2, pp.123-130, 2013. (GANOSC)

42.   P. Saad, M. Thorsell, K. Andersson, and C. Fager, "Investigation of Push-Pull Microwave Power Amplifiers Using an Advanced Measurement Setup," IEEE Microwave and Wireless Components Letters, vol. 23, pp. 220-222, 2013. (EMIT)

41.   C. M. Andersson, D. Gustafsson, J. Chani Cahuana, R. Hellberg, and C. Fager, "A 1-3 GHz Digitally Controlled Dual-RF Input Power-Amplifier Design Based on a Doherty-Outphasing Continuum Analysis," IEEE Trans. Microwave Theory Tech., vol. 61, pp. 3743-3752, 2013. (EMIT)*

40.   J. Stenarson, T. Do, H. Zhao, A.-Y. Tang, P. Sobis, K. Yhland, and J. Stake, "Sensitivity Analysis of TRL calibration in Waveguide Integrated Membrane Circuits," IEEE Transactions on Terahertz Science and Technology, vol. 3, pp. 558-565, 2013. (SPACETHZ)

39.   A.-Y. Tang, V. Drakinskiy, K. Yhland, J. Stenarson, T. Bryllert, and J. Stake, ”Analytical Extraction of a Schottky Diode Model from Broadband S-parameters”, IEEE Transactions on Microwave Theory and Techniques, 61, (5), pp. 1870-1878, 2013. (SPACETHZ)

38.   H. Rodilla, J. Schleeh, P.-Å. Nilsson, N. Wadefalk,J. Mateos , and J. Grahn, “Cryogenic Performance of Low-Noise InP HEMTs: A Monte Carlo Study”, IEEE Transactions on Electron Devices”, 60, (5), pp. 16285-1631, 2013. (SPACETHZ)

37.   J. Schleeh, N. Wadefalk, P.-Å. Nilsson, J. P. Starski, and J. Grahn, “Cryogenic Broadband Ultra-Low-Noise MMIC LNAs for Radio Astronomy Applications”, IEEE Transactions on Microwave Theory and Techniques”, 61, (2), pp. 871-877, 2013. (SPACETHZ)

36.   J. Schleeh, H. Rodilla, N. Wadefalk, P.-Å. Nilsson, and J. Grahn, “Characterization and Modeling of Cryogenic Ultralow-Noise InP HEMTs”, IEEE Transactions on Electron Devices, 60, (1), pp. 206-212, 2013.(SPACETHZ)

35.   S-H. Lai, C. Fager, D. Kuylenstierna, I. Angelov, ”LDMOS Modeling”, IEEE Microwave Magazine, 14 (1), pp. 108-116, 2013. (GANOSC)

34.   H. Hjelmgren, M. Thorsell, K. Andersson, and N. Rorsman, “Extraction of an Electrothermal Mobility Model for AlGaN/GaN Heterostructures”, IEEE Transactions on Electron Devices, 59, (12), 3344-3349, 2012. (ACC)

33.   R. Jos, “Reverse Schottky gate current in AlGaN-GaN high-electron-mobility-transistors,” Journal of Applied Physics, 112 (094508), pp. 1 – 7, 2012. (ACC)

32.   C.M. Andersson, D. Gustafsson, K. Yamanaka, E. Kuwata, H. Otsuka, M. Nakayama, Y. Hirano, I. Angelov, C. Fager, and N. Rorsman, “Theory and Design of Class-J Power Amplifiers With Dynamic Load Modulation,”  IEEE Transactions on Microwave Theory and Techniques, 60 (12), pp. 3778 – 3786, 2012. (ACC)*

31.   J. Schleeh, G. Alestig, J. Halonen, A. Malmros, B. Nilsson, P.-Å. Nilsson, J. P. Starski, N. Wadefalk, H. Zirath, and J. Grahn, ”Ultralow-Power Cryogenic InP HEMT with Minimum Noise Temperature of 1 K at 6 GHz,”  IEEE Electron Device Letters. 33 (5) pp. 664-666, 2012. (SPACETHZ)

30.   P. Sobis, N. Wadefalk, A. Emrich, and J. Stake, "A Broadband, Low Noise, Integrated 340 GHz Schottky Diode Receiver," IEEE Microwave and Wireless Components Letters, vol. 22, pp. 366-368, 2012. (SPACETHZ)*

29.   D. Kuylenstierna, S. Lai, M. Bao, and H. Zirath, “Design of Low Phase-Noise Oscillators and Wideband VCOs in InGaP HBT Technology,” IEEE Trans. Microwave Theory Tech., vol. 60, no. 11, pp. 3420-3430, November 2012. (GANOSC)*

28.   M. Özen, R. Jos, and C. Fager, "Continuous Class-E Power Amplifier Modes," IEEE Transactions on Circuits and Systems I - Express Briefs, Vol. 59, pp. 731-735, 2012. (EMIT)*

27.   P. Saad, P. Colantonio, F. Ginannini, K. Andersson, and C. Fager, "Design of a Concurrent Dual-Band 1.8 - 2.4GHz GaN-HEMT Doherty Power Amplifier," IEEE Transactions on Microwave Theory and Techniques, vol. 60, pp. 1840-1849, 2012. (EXPO)

26.   M. Thorsell, and K. Andersson, "Fast Multiharmonic Active Load-Pull System With Waveform Measurement Capabilities," IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 1, pp. 149-157, January 2012. (EXPO)

25.   M. Thorsell, K. Andersson, G. Pailloncy, and Y. Rolain, “Extending the Best Linear Approximation to Characterize the Nonlinear Distortion in GaN HEMTs," IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 12, pp. 3087-3094, December 2011. (EXPO)

24.   S. Afsardoost, T. Eriksson, and C. Fager, "Digital Predistortion Using a Vector-Switched Model," IEEE Transactions on Microwave Theory and Techniques, vol. 60, pp. 1166-1174, 2012. (DIGIPA)

23.   H. Cao, H. M. Nemati, A. S. Tehrani, T. Eriksson, and C. Fager, "Digital Predistortion for High Efficiency Power Amplifier Architectures Using a Dual-Input Modeling Approach," IEEE Transactions on Microwave Theory and Techniques, vol. 60, pp. 361-369, 2012. (DIGIPA)

22.   U. Gustavsson, T. Eriksson, H. M. Nemati, P. Saad, P. Singerl, and C. Fager, "An RF Carrier Bursting System Using Partial Quantization Noise Cancellation," IEEE Trans. Circ. Syst. I, vol. 59, pp. 515-528, Mar 2012. (DIGIPA)*

21.   H. Otsuka, T. Oishis, K. Yamanaka, M. Thorsell, K. Andersson, A. Inoue, Y. Hirano and I. Angelov, “Semi-physical nonlinear circuit model with device/physical parameters for HEMTs” International Journal of Microwave and Wireless Technologies, 3, pp. 25-33, 2011. (EXPO)

20.   P. Sobis, J. Stake, A. Emrich, “A Low VSWR 2SB Schottky Receiver” IEEE TeraHertz Science and Technology (accepted) (2011) (THZ+)

19.   M. Özen, R. Jos, C. Andersson, M. Acar, and C. Fager, "High Efficiency Radio Frequency Pulse Width Modulation of Class-E Power Amplifiers" Accepted for publication in IEEE Transactions on Microwave Theory and Techniques, June 2011. (DIGIPA)

18.   Aik Yean Tang and Jan Stake,Impact of Eddy Currents and Crowding Effects on High Frequency Losses in Planar Schottky Diodes, IEEE Transactions on Electron Devices, vol. 58, no. 10, pp. (2011). (THZ+)

17.   Vassilev, Vessen; Wadefalk, Niklas; Kozhuharov, Rumen; Abbasi, Morteza; Gunnarsson, Sten E.; Zirath, Herbert; Pellikka, T.; Emrich, A.; Pantaleev, Miroslav; Kallfass, I.; Leuther, A. “MMIC-Based Components for MM-Wave Instrumentation”, IEEE Microwave and Wireless Components Letters, 20 ( 10 ) pp. 578-580. 2011? (THZ+)

16.   Huan Zhao, Aik-Yean Tang, Peter Sobis, Tomas Bryllert, Klas Yhland, Jörgen Stenarson, and Jan Stake, “Submillimeter Wave Parameter Characterization of Integrated Membrane Circuits”, Microwave and Wireless Components Letters, IEEE, volym, pp. 110-112, Feb. 2011. (THZ+)

15.   Nemati H. M., Saad P., Fager C., and Andersson K. “High-effeciency amplifier”, IEEE Microwave Magazine, v 12, n 1, 81-84, 2011.

14.   Thorsell M., Andersson K., Hjelmgren, H. and Rorsman N. "Electrothermal Access Resistance Model for GaN-HEMTs", IEEE Transactions on Electron Devices, v 58, n 2, p 466-472, February 2011.

13.   H. Cao, H. M. Nemati, A. Soltani Tehrani, T. Eriksson, J. Grahn, and C. Fager, "Linearization of Efficiency-Optimized Dynamic Load Modulation Transmitter Architectures," IEEE Trans. Microwave Theory Tech., pp. 873-881, 2010.

12.   A. Soltani Tehrani, H. Cao, S. Afsardoost, T. Eriksson, M. Isaksson, and C. Fager, "A Comparative Analysis of the Complexity/Accuracy Tradeoff in Power Amplifier Behavioral Models," IEEE Trans. Microwave Theory Tech., vol. 58, pp. 1510-1520, 2010.

11.   L. H. Hsu, D. Kuylenstierna, R. Kozhuharov, M. Gavell, C. Kärnfelt, H. Zirath, E. Y. Chang, and W. C. Lim, “Flip-Chip Based Multi-Chip Module for Low Phase-Noise V-Band Frequency Generation”, IEEE Trans. Microwave Theory Tech., v. 58, n. 9, 2408-2418, 2010. (INTOSC)

10.   H. M. Nemati, H. Cao, B. Almgren, T. Eriksson, and C. Fager, "Design of Highly Efficient Load Modulation Transmitter for Wideband Cellular Applications," IEEE Trans. Microwave Theory Tech., vol. 58, pp. 2820-2828, 2010.

9.     U. Gustavsson, T. Eriksson, and C. Fager, "Quantization Noise Minimization in Delta Sigma-modulation based RF Transmitter Architectures," IEEE Trans. Circ. Syst. I, vol. 57, pp. 3082-3092, 2010.

8.     Thorsell M., Fagerlind, M., Andersson K., Billström, N. and Rorsman N. "An X-band AlGaN/GaN MMIC receiver front-end", IEEE Microwave and Wireless Components Letters, v 20, n 1, p 55-57, January 2010.

7.     Saad P., Fager C., Haiying Cao, Zirath H., and Andersson K., "A highly efficient 3.5 GHz inverse class-F GaN HEMT power amplifier", International Journal of Microwave and Wireless Technologies , p 317-324, 2010.

6.     Saad P., Fager C., Haiying Cao, Zirath H., and Andersson K. "Design of a Highly Efficient 2–4-GHz Octave Bandwidth GaN-HEMT Power Amplifier", IEEE Transactions on Microwave Theory and Techniques, v 58, n 7, p 1677-1685, July 2010.

5.     Angelov I., Thorsell M., Fagerlind, M., Andersson K., Inoue A., Yamanaka K., and Noto H. "On the Large Signal Evaluation and Modeling of GaN FET", IEICE Transactions on Electronics, v E93.C, n 8, p 1225-1233, 2010.

4.     H. M. Nemati, C. Fager, U. Gustavsson, R. Jos, and H. Zirath, "Design of Varactor-Based Tunable Matching Networks for Dynamic Load Modulation of High Power Amplifiers," IEEE Transactions on Microwave Theory and Techniques, vol. 57, pp. 1110-1118, 2009.

3.     H. M. Nemati, C. Fager, M. Thorsell, and H. Zirath, "High-Efficiency LDMOS Power-Amplifier Design at 1 GHz Using an Optimized Transistor Model " IEEE Transactions on Microwave Theory and Techniques, vol. 57, pp. 1647 - 1654, 2009.

2.     H. Cao, A. Soltani Tehrani, C. Fager, T. Eriksson, and H. Zirath, "I/Q Imbalance Compensation Using a Nonlinear Modeling Approach," IEEE Transactions on Microwave Theory and Techniques, vol. 57, pp. 513-518, 2009. (DIGIPA)

1.     M .Thorsell, K. Andersson, M. Fagerlind, M. Sudow, P.-A. Nilsson, N. Rorsman, "Thermal Study of the High-Frequency Noise in GaN HEMTs," IEEE Transactions on Microwave Theory and Techniques, vol.57, no.1, pp.19-26, January 2009. (WIDEBAND)​

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