Department of Microelectronics
Faculty of Electrical Engineering, Mathematics, and Computer Science

Morteza Alavi

Publications

  1. A Single-Supply Balun-First Three-Way mm-Wave Doherty PA
    Kumaran, Anil Kumar; Pashaeifar, Masoud; Alexanderson, Mats; de Vreede, Leonardus Cornelis Nicolaas; Alavi, Morteza S.;
    IEEE Transactions on Microwave Theory and Techniques,
    pp. 1-16, 2024. DOI: 10.1109/TMTT.2024.3365697
    Keywords: ... Inductors;Integrated circuit modeling;5G mobile communication;Capacitors;Bandwidth;Impedance;Peak to average power ratio;Compact;Doherty;lumped components;millimeter wave;Norton transformation;power amplifier (PA);three-stage.

  2. 32.7 A 25.2dBm PSAT, 35-to-43GHz VSWR-Resilient Chain-Weaver Eight-Way Balanced PA with an Embedded Impedance/Power Sensor
    Pashaeifar, Masoud; Kumaran, Anil K.; De Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2024 IEEE International Solid-State Circuits Conference (ISSCC),
    pp. 532-534, 2024. DOI: 10.1109/ISSCC49657.2024.10454427
    Keywords: ... Time-frequency analysis;5G mobile communication;Transmitters;Linearity;Power amplifiers;Solid state circuits;Reliability.

  3. A Wideband Digital-Intensive Current-Mode Transmitter Line-Up
    Y. Shen; M. Hoogelander; R. Bootsman; M. S. Alavi; L. C. N. de Vreede;
    IEEE Journal Solid-State Circuits,
    Volume 58, Issue 9, pp. 2489-2500, Sep. 2023. DOI: 10.1109/JSSC.2023.3279235

  4. A Wideband Energy-Efficient Multi-Mode CMOS Digital Transmitter
    Beikmirza, Mohammadreza; Shen, Yiyu; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Journal of Solid-State Circuits,
    Volume 58, Issue 3, pp. 677-690, 2023. DOI: 10.1109/JSSC.2022.3222028

  5. A Wideband Digital-Intensive Current-Mode Transmitter Line-Up
    Shen, Yiyu; Hoogelander, Martijn; Bootsman, Rob; Alavi, Morteza S.; de Vreede, Leo C. N.;
    IEEE Journal of Solid-State Circuits,
    pp. 1-12, 2023. DOI: 10.1109/JSSC.2023.3279235

  6. An Inverted Doherty Power Amplifier Insensitive to Load Variation With an Embedded Impedance Sensor in Its Output Power-Combining Network
    Singh, Gagan Deep; Nemati, Hossein Mashad; Alavi, Morteza S.; de Vreede, Leonardus Cornelis Nicolaas;
    IEEE Transactions on Microwave Theory and Techniques,
    pp. 1-15, 2023. DOI: 10.1109/TMTT.2023.3277081

  7. The Efficiency and Power Utilization of Current-Scaling Digital Transmitters
    Mul, Dieuwert P. N.; Bootsman, Robert J.; Beikmirza, Mohammadreza; Alavi, Morteza S.; de Vreede, Leo C. N.;
    IEEE Transactions on Microwave Theory and Techniques,
    pp. 1-17, 2023. DOI: 10.1109/TMTT.2023.3336984
    Keywords: ... Switches;Radio frequency;Clocks;Logic gates;Transmitters;Power generation;Loading;Current mode;current scaling;digital transmitter (DTX);Doherty;efficiency;multiphase;peak-to-average-power ratio (PAPR);polar;power utilization;RF-DAC;signed Cartesian (SC);upconversion.

  8. PA Output Power and Efficiency Enhancement Across the 2:1 VSWR Circle using Static Active Load Adjustment
    Singh, Gagan Deep; Nemati, Hossein Mashad; Alavi, Morteza S.; de Vreede, Leo C.N.;
    In 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023,
    pp. 211-214, 2023. DOI: 10.1109/IMS37964.2023.10188045
    Keywords: ... Loading;Power amplifiers;Couplers;Microwave theory and techniques;Microwave amplifiers;Power generation;Power Amplifier;VSWR;Coupler;Gallium Nitrite (GaN);HEMT.

  9. A Low-Complexity Digital Predistortion Technique For Digital I/Q Transmitters
    Beikmirza, Mohammadreza; de Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023,
    pp. 787-790, 2023. DOI: 10.1109/IMS37964.2023.10187914
    Keywords: ... Microwave measurement;Constellation diagram;Transmitters;Bandwidth;Microwave theory and techniques;Predistortion;Digital pre-distortion;DPD;constellation;mapping;digital transmitter;RF-DAC.

  10. A 26GHz Balun-First Three-Way Doherty PA in 40nm CMOS with 20.7 dBm Psat and 20dB Power Gain
    Kumaran, Anil Kumar; Pashaeifar, Masoud; Nemati, Hossein Mashad; de Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2023 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 189-192, 2023. DOI: 10.1109/RFIC54547.2023.10186161
    Keywords: ... Power measurement;5G mobile communication;Radio transmitters;Power amplifiers;Radiofrequency integrated circuits;Frequency measurement;Scattering parameters;Doherty;3-stage Power amplifier;Compact;Millimeter wave;Lumped components;Norton transformation.

  11. A Millimeter-Wave CMOS Series-Doherty Power Amplifier With Post-Silicon Inter-Stage Passive Validation
    Pashaeifar, Masoud; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Journal of Solid-State Circuits,
    Volume 57, Issue 10, pp. 2999-3013, 2022. DOI: 10.1109/JSSC.2022.3175685

  12. Load-Modulation-Based IMD3 Cancellation for Millimeter-Wave Class-B CMOS Power Amplifiers Achieving EVM < 1.2%
    Pashaeifar, Masoud; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Microwave and Wireless Components Letters,
    Volume 32, Issue 6, pp. 716-719, 2022. DOI: 10.1109/LMWC.2022.3166257

  13. High-Power Digital Transmitters for Wireless Infrastructure Applications (A Feasibility Study)
    Bootsman, Robert J.; Mul, Dieuwert P. N.; Shen, Yiyu; Hashemi, Mohsen; Heeres, Rob M.; van Rijs, Fred; Alavi, Morteza S.; de Vreede, Leo C. N.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 70, Issue 5, pp. 2835-2850, 2022. DOI: 10.1109/TMTT.2022.3153000

  14. A Wideband IQ-Mapping Direct-Digital RF Modulator for 5G Transmitters
    Shen, Yiyu; Bootsman, Robert; Alavi, Morteza S.; de Vreede, Leo C. N.;
    IEEE Journal of Solid-State Circuits,
    Volume 57, Issue 5, pp. 1446-1456, 2022. DOI: 10.1109/JSSC.2022.3144362

  15. A Low-Spur Fractional-N PLL Based on a Time-Mode Arithmetic Unit
    Gao, Zhong; He, Jingchu; Fritz, Martin; Gong, Jiang; Shen, Yiyu; Zong, Zhirui; Chen, Peng; Spalink, Gerd; Eitel, Ben; Alavi, Morteza S.; Staszewski, Robert Bogdan; Babaie, Masoud;
    IEEE Journal of Solid-State Circuits,
    pp. 1-20, 2022. DOI: 10.1109/JSSC.2022.3209338

  16. A Load Insensitive Doherty Power Amplifier with better than −39dBc ACLR on 2:1 VSWR Circle using a Constant 50 Ω Trained Pre-distorted Signal
    Singh, Gagan Deep; Mul, Dieuwert; Nemati, Hossein Mashad; Alavi, Morteza S.; de Vreede, Leo C.N.;
    In 2022 52nd European Microwave Conference (EuMC),
    pp. 222-225, 2022. DOI: 10.23919/EuMC54642.2022.9924452

  17. A 39 W Fully Digital Wideband Inverted Doherty Transmitter
    Bootsman, Robert; Shen, Yiyu; Mul, Dieuwert; Rousstia, Mohadig; Heeres, Rob; van Rijs, Fred; Gajadharsing, John; Alavi, Morteza S.; de Vreede, Leo C.N.;
    In 2022 IEEE/MTT-S International Microwave Symposium - IMS 2022,
    pp. 979-982, 2022. DOI: 10.1109/IMS37962.2022.9865405

  18. A Wideband Two-Way Digital Doherty Transmitter in 40nm CMOS
    Beikmirza, Mohammadreza; Shen, Yiyu; de Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2022 IEEE/MTT-S International Microwave Symposium - IMS 2022,
    pp. 975-978, 2022. DOI: 10.1109/IMS37962.2022.9865506

  19. A Millimeter-Wave Front-End for FD/FDD Transceivers Featuring an Embedded PA and an N-Path Filter Based Circulator Receiver
    Pashaeifar, Masoud; De Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2022 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 11-14, 2022. DOI: 10.1109/RFIC54546.2022.9863209

  20. A 1-to-4GHz Multi-Mode Digital Transmitter in 40nm CMOS Supporting 200MHz 1024-QAM OFDM signals with more than 23dBm/66% Peak Power/Drain Efficiency
    Beikmirza, Mohammadreza; Shen, Yiyu; de Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2022 IEEE Custom Integrated Circuits Conference (CICC),
    pp. 01-02, 2022. DOI: 10.1109/CICC53496.2022.9772797

  21. A 1.66Gb/s and 5.8pJ/b Transcutaneous IR-UWB Telemetry System with Hybrid Impulse Modulation for Intracortical Brain-Computer Interfaces
    Song, Minyoung; Huang, Yu; Shen, Yiyu; Shi, Chengyao; Breeschoten, Arjan; Konijnenburg, Mario; Visser, Huib; Romme, Jac; Dutta, Barundeb; Alavi, Morteza S.; Bachmann, Christian; Liu, Yao-Hong;
    In 2022 IEEE International Solid- State Circuits Conference (ISSCC),
    pp. 394-396, 2022. DOI: 10.1109/ISSCC42614.2022.9731608

  22. A 2.6-to-4.1GHz Fractional-N Digital PLL Based on a Time-Mode Arithmetic Unit Achieving -249.4dB FoM and -59dBc Fractional Spurs
    Gao, Zhong; He, Jingchu; Fritz, Martin; Gong, Jiang; Shen, Yiyu; Zong, Zhirui; Chen, Peng; Spalink, Gerd; Eitel, Ben; Yamamoto, Ken; Staszewski, Robert Bogdan; Alavi, Morteza S.; Babaie, Masoud;
    In 2022 IEEE International Solid- State Circuits Conference (ISSCC),
    pp. 380-382, 2022. DOI: 10.1109/ISSCC42614.2022.9731561

  23. A DPLL-Based Phase Modulator Achieving -46dB EVM with A Fast Two-Step DCO Nonlinearity Calibration and Non-Uniform Clock Compensation
    Gao, Zhong; Fritz, Martin; He, Jingchu; Spalink, Gerd; Staszewski, Robert Bogdan; Alavi, Morteza S.; Babaie, Masoud;
    In 2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits,
    pp. 14-15, 2022. DOI: 10.1109/VLSITechnologyandCir46769.2022.9830398

  24. Compact N-Way Doherty Power Combiners for mm-wave 5G Transmitters
    Kumaran, Anil Kumar; Nemati, Hossein Mashad; De Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2022 IEEE International Symposium on Circuits and Systems (ISCAS),
    pp. 438-442, 2022. DOI: 10.1109/ISCAS48785.2022.9937619

  25. A Wideband Four-Way Doherty Bits-In RF-Out CMOS Transmitter
    Beikmirza, Mohammadreza; Shen, Yiyu; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Journal of Solid-State Circuits,
    Volume 56, Issue 12, pp. 3768-3783, 2021. DOI: 10.1109/JSSC.2021.3105542

  26. A Millimeter-Wave Mutual-Coupling-Resilient Double-Quadrature Transmitter for 5G Applications
    Pashaeifar, Masoud; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Journal of Solid-State Circuits,
    Volume 56, Issue 12, pp. 3784-3798, 2021. DOI: 10.1109/JSSC.2021.3111126

  27. 14.4 A 24-to-30GHz Double-Quadrature Direct-Upconversion Transmitter with Mutual-Coupling-Resilient Series-Doherty Balanced PA for 5G MIMO Arrays
    Pashaeifar, Masoud; de Vreede, Leo C. N.; Alavi, Morteza S.;
    In 2021 IEEE International Solid- State Circuits Conference (ISSCC),
    pp. 223-225, 2021. DOI: 10.1109/ISSCC42613.2021.9365776

  28. 6.2 A 4-Way Doherty Digital Transmitter Featuring 50%-LO Signed IQ Interleave Upconversion with more than 27dBm Peak Power and 40% Drain Efficiency at 10dB Power Back-Off Operating in the 5GHz Band
    Beikmirza, Mohammadreza; Shen, Yiyu; Mehrpoo, Mohammadreza; Hashemi, Mohsen; Mul, Dieuwert; de Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2021 IEEE International Solid- State Circuits Conference (ISSCC),
    pp. 92-94, 2021. DOI: 10.1109/ISSCC42613.2021.9365831

  29. Efficiency and Linearity of Digital "Class-C Like" Transmitters
    Mul, Dieuwert P.N.; Bootsman, Rob J.; Bruinsma, Quinten; Shen, Yiyu; Krause, Sebastian; Quay, Rüdiger; Pelk, Marco J.; van Rijs, Fred; Heeres, Rob M.; Pires, Sergio; Alavi, Morteza; de Vreede, Leo C.N.;
    In 2020 50th European Microwave Conference (EuMC),
    pp. 1-4, 2021. DOI: 10.23919/EuMC48046.2021.9338122

  30. On-Chip Output Stage Design for a Continuous Class-F Power Amplifier
    Kumaran, Anil Kumar; Pashaeifar, Masoud; D’Avino, Marco; de Vreede, Leo C. N.; Alavi, Morteza S.;
    In 2021 IEEE International Symposium on Circuits and Systems (ISCAS),
    pp. 1-5, 2021. DOI: 10.1109/ISCAS51556.2021.9401788

  31. A 24-to-32GHz series-Doherty PA with two-step impedance inverting power combiner achieving 20.4dBm Psat and 38%/34% PAE at Psat/6dB PBO for 5G applications
    Pashaeifar, Masoud; Kumaran, Anil K.; Beikmirza, Mohammadreza; de Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2021 IEEE Asian Solid-State Circuits Conference (A-SSCC),
    pp. 1-3, 2021. DOI: 10.1109/A-SSCC53895.2021.9634772

  32. A Versatile and Efficient 0.1-to-11 Gb/s CML Transmitter in 40-nm CMOS
    Feng, Jun; Beikmirza, Mohammadreza; Mehrpoo, Mohammadreza; de Vreede, Leo C.N.; Alavi, Morteza S.;
    In 2021 18th International SoC Design Conference (ISOCC),
    pp. 41-42, 2021. DOI: 10.1109/ISOCC53507.2021.9613887

  33. An 18.5 W Fully-Digital Transmitter with 60.4 % Peak System Efficiency
    Bootsman, R.J.; Mul, D.P.N.; Shen, Y.; Heeres, R.M.; van Rijs, F.; Alavi, M.S.; de Vreede, L.C.N.;
    In 2020 IEEE/MTT-S International Microwave Symposium (IMS),
    pp. 1113-1116, 2020. DOI: 10.1109/IMS30576.2020.9223942

  34. A 1–3 GHz I/Q Interleaved Direct-Digital RF Modulator As A Driver for A Common-Gate PA in 40 nm CMOS
    Shen, Yiyu; Bootsman, Rob; Alavi, Morteza S.; de Vreede, Leo C.N.;
    In 2020 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 287-290, 2020. DOI: 10.1109/RFIC49505.2020.9218324

  35. A 0.5-3 GHz I/Q Interleaved Direct-Digital RF Modulator with up to 320 MHz Modulation Bandwidth in 40 nm CMOS
    Shen, Yiyu; Bootsman, Rob; Alavi, Morteza S.; de Vreede, Leonardus;
    In 2020 IEEE Custom Integrated Circuits Conference (CICC),
    pp. 1-4, 2020. DOI: 10.1109/CICC48029.2020.9075949

  36. Bits-In RF-Out Transmitters
    Morteza S. Alavi; Leo de Vreede,;
    In IEEE Radio Frequency Integrated Circuits (RFIC) Symposium Workshop,
    2019.

  37. A Wideband Linear $I/Q$ -Interleaving DDRM
    Mehrpoo, Mohammadreza; Hashemi, Mohsen; Shen, Yiyu; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Journal of Solid-State Circuits,
    Volume 53, Issue 5, pp. 1361-1373, 2018. DOI: 10.1109/JSSC.2017.2786685

  38. Quasi-load insensitive class-E for Doherty and Outphasing Transmitters
    Leo de Vreede; Morteza S. Alavi;
    In IEEE MTT-S International Microwave Symposium (IMS), Workshop,
    2018.

  39. Pushing the Linearity Limits of a Digital Polar Transmitter
    Hashemi, Mohsen; Alavi, Morteza S.; De Vreede, Leo C.N.;
    In 2018 13th European Microwave Integrated Circuits Conference (EuMIC),
    pp. 174-177, 2018. DOI: 10.23919/EuMIC.2018.8539964

  40. A Wideband I/Q RFDAC-Based Phase Modulator
    Yiyu Shen; Michael Polushkin; Mohammad Reza Mehrpoo; Mohsen Hashemi; Earl McCune; Morteza S. Alavi; Leo C. N. de Vreede,;
    In (accepted RWS 2018).,
    2018.

  41. Bits-In / RF-Out Transmitters for 5G mMIMO
    Leo de Vreede; Morteza S. Alavi;
    In IEEE European Microwave Week (EuMIC) Workshop,
    2018.

  42. A wideband I/Q RFD AC-based phase modulator
    Shen, Yiyu; Polushkin, Michael; Mehrpoo, Mohammadreza; Hashemi, Mohsen; McCune, Earl; Alavi, Morteza S.; de Vreede, Leo C. N.;
    In 2018 IEEE 18th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF),
    pp. 8-11, 2018. DOI: 10.1109/SIRF.2018.8304215

  43. An Intrinsically Linear Wideband Polar Digital Power Amplifier
    Hashemi, Mohsen; Shen, Yiyu; Mehrpoo, Mohammadreza; Alavi, Morteza S.; de Vreede, Leo C. N.;
    IEEE Journal of Solid-State Circuits,
    Volume 52, Issue 12, pp. 3312-3328, 2017. DOI: 10.1109/JSSC.2017.2737647

  44. An intrinsically linear wideband digital polar PA featuring AM-AM and AM-PM corrections through nonlinear sizing, overdrive-voltage control, and multiphase RF clocking
    M. Hashemi; Y. Shen; M. Mehrpoo; M. Acar; R. van Leuken; M. S. Alavi; L. de Vreede;
    In 2017 IEEE International Solid-State Circuits Conference (ISSCC),
    pp. 300-301, February 2017. DOI: 10.1109/ISSCC.2017.7870380
    document

  45. A fully-integrated digital-intensive polar Doherty transmitter
    Y. Shen; M. Mehrpoo; M. Hashemi; M. Polushkin; L. Zhou; M. Acar; R. van Leuken; M. S. Alavi; L. de Vreede;
    In 2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 196-199, June 2017. DOI: 10.1109/RFIC.2017.7969051
    document

  46. A wideband linear direct digital RF modulator using harmonic rejection and I/Q-interleaving RF DACs
    M. Mehrpoo; M. Hashemi; Y. Shen; R. van Leuken; M. S. Alavi; L. C. N. de Vreede;
    In 2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 188-191, June 2017. DOI: 10.1109/RFIC.2017.7969049
    document

  47. 17.5 An intrinsically linear wideband digital polar PA featuring AM-AM and AM-PM corrections through nonlinear sizing, overdrive-voltage control, and multiphase RF clocking
    Hashemi, Mohsen; Shen, Yiyu; Mehrpoo, Mohammadreza; Acar, Mustafa; van Leuken, René; Alavi, Morteza S.; de Vreede, Leonardus;
    In 2017 IEEE International Solid-State Circuits Conference (ISSCC),
    pp. 300-301, 2017. DOI: 10.1109/ISSCC.2017.7870380

  48. A wideband linear direct digital RF modulator using harmonic rejection and I/Q-interleaving RF DACs
    Mehrpoo, M.; Hashemi, M.; Shen, Y.; van Leuken, R.; Alavi, M. S.; de Vreede, L. C. N.;
    In 2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 188-191, 2017. DOI: 10.1109/RFIC.2017.7969049

  49. A fully-integrated digital-intensive polar Doherty transmitter
    Shen, Yiyu; Mehrpoo, Mohammadreza; Hashemi, Mohsen; Polushkin, Michael; Zhou, Lei; Acar, Mustafa; van Leuken, Rene; Alavi, Morteza S.; de Vreede, Leo;
    In 2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 196-199, 2017. DOI: 10.1109/RFIC.2017.7969051

  50. A 5.9 GHz RFDAC-based outphasing power amplifier in 40-nm CMOS with 49.2% efficiency and 22.2 dBm power
    Hu, Zhebin; de Vreede, Leo C.N.; Alavi, Morteza S.; Calvillo-Cortes, David A.; Staszewski, Robert Bogdan; He, Songbai;
    In 2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 206-209, 2016. DOI: 10.1109/RFIC.2016.7508287

  51. A Wideband 2$\times$ 13-bit All-Digital I/Q RF-DAC
    Alavi, Morteza S.; Staszewski, Robert Bogdan; de Vreede, Leo C. N.; Long, John R.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 62, Issue 4, pp. 732-752, 2014. DOI: 10.1109/TMTT.2014.2307876

  52. All-Digital I/Q RF-DAC
    S. M. Alavi;
    PhD thesis, Delft University of Technology, http://doi.org/10.4233/uuid:fd7dec40-1957-4aad-bb24-90d6f40b5268, 06 2014. Promotor: R.B. Staszewski.

  53. A 2×13-bit all-digital I/Q RF-DAC in 65-nm CMOS
    Alavi, Morteza S.; Voicu, George; Staszewski, Robert B.; de Vreede, Leo C. N.; Long, John R.;
    In 2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 167-170, 2013. DOI: 10.1109/RFIC.2013.6569551

  54. All-Digital RF $I/Q$ Modulator
    Alavi, Morteza S.; Staszewski, Robert Bogdan; de Vreede, Leo C. N.; Visweswaran, Akshay; Long, John R.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 60, Issue 11, pp. 3513-3526, 2012. DOI: 10.1109/TMTT.2012.2211612

  55. A 2-GHz digital I/Q modulator in 65-nm CMOS
    Alavi, Morteza S.; Visweswaran, Akshay; Staszewski, Robert B.; de Vreede, Leo C.N; Long, John R.; Akhnoukh, Atef;
    In IEEE Asian Solid-State Circuits Conference 2011,
    pp. 277-280, 2011. DOI: 10.1109/ASSCC.2011.6123565

  56. Orthogonal summing and power combining network in a 65-nm all-digital RF I/Q modulator
    Alavi, Morteza S.; Staszewski, Robert B.; de Vreede, Leo C. N.; Long, John R.;
    In 2011 IEEE International Symposium on Radio-Frequency Integration Technology,
    pp. 21-24, 2011. DOI: 10.1109/RFIT.2011.6141758

  57. Efficient LDMOS device operation for envelope tracking amplifiers through second harmonic manipulation
    Alavi, Morteza. S.; van Rijs, Fred; Marchetti, Mauro; Squillante, Michele; Zhang, Tao; Theeuwen, Steven J.C.H.; Volokhine, Yuri; Jos, H.F.F.; Heijden, Mark P. v. d.; Acar, Mustafa; de Vreede, Leo C.N.;
    In 2011 IEEE MTT-S International Microwave Symposium,
    pp. 1-4, 2011. DOI: 10.1109/MWSYM.2011.5972665

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