Electronics Research Laboratory
Dept. of Microelectronics

Masoud Pashaeifar

Publications

  1. A 4×Two-Way mm-Wave Doherty CMOS PA
    Kumaran, Anil Kumar; Wu, Yizhuo; Pashaeifar, Masoud; Nachouane, Hamza; Gao, Chang; Cornelis Nicolaas de Vreede, Leonardus; Alavi, Morteza S.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 73, Issue 10, pp. 7482-7499, 2025. DOI: 10.1109/TMTT.2025.3569155
    Keywords: ... Impedance;Power combiners;Power amplifiers;Power generation;Bandwidth;Peak to average power ratio;Inductors;5G mobile communication;Capacitors;CMOS technology;Adaptive biasing;artificial intelligence (AI);compact;digital predistortion (DPD);Doherty;lumped components;millimeter-wave (mm-wave);power amplifier (PA);power combiner;three-stage;voltage standing wave ratio (VSWR).

  2. A Millimeter-Wave Power Amplifier With an Integrated CMOS Isolator/Circulator/Receiver
    Pashaeifar, Masoud; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Journal of Solid-State Circuits,
    pp. 1-13, 2025. DOI: 10.1109/JSSC.2025.3570656
    Keywords: ... Full-duplex system;Phased arrays;Bandwidth;Isolators;Circulators;Antennas;Sensitivity;Power amplifiers;ISO;Power generation;Blocker-tolerant receiver (RX);circulator;CMOS;duplexer;fifth-generation (5G);frequency division duplex (FDD);full-duplex;gyrator;in-band full-duplex;isolator;millimeter-wave (mm-wave);mutual coupling;N-path filter;power amplifiers (PAs);voltage standing wave ratio (VSWR) resilience.

  3. A Single-Supply Balun-First Three-Way mm-Wave Doherty PA
    Kumaran, Anil Kumar; Pashaeifar, Masoud; Alexanderson, Mats; Vreede, Leonardus Cornelis Nicolaas de; Alavi, Morteza S.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 72, Issue 5, pp. 2757-2772, 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.

  4. A Chain-Weaver Balanced Power Amplifier With an Embedded Impedance/Power Sensor
    Pashaeifar, Masoud; Kumar Kumaran, Anil; de Vreede, Leo C. N.; Alavi, Morteza S.;
    IEEE Journal of Solid-State Circuits,
    Volume 59, Issue 12, pp. 3938-3951, 2024. DOI: 10.1109/JSSC.2024.3453213
    Keywords: ... Gain;Linearity;Impedance;Power demand;Power amplifiers;Loading;Bandwidth;5G;amplitude-to-amplitude (AM-AM);amplitude-to-phase (AM-PM);balanced power amplifier;chain weaver;impedance sensor;mutual coupling;power amplifier (PA);power sensor;quadrature hybrid coupler;rms detector (DET);transmission line (TL);voltage standing wave ratio (VSWR);wideband.

  5. 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.

  6. 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.

  7. 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
    Keywords: ... Modulation;Impedance;Power generation;Bandwidth;5G mobile communication;Resonant frequency;Power combiners;Doherty power amplifier (DPA);impedance inverter;power amplifier (PA);root mean square (rms) detector;series-DPA (SDPA);transformer;wideband.

  8. 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
    Keywords: ... Modulation;OFDM;Power generation;Logic gates;Linearity;5G mobile communication;Wireless communication;5G New Radio (NR);Doherty;intermodulation distortion;load modulation;millimeter-wave;power amplifiers (PAs).

  9. 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
    Keywords: ... Wireless communication;Circulators;Power amplifiers;Insertion loss;Transmission line measurements;Transceivers;Radiofrequency integrated circuits;Blocker-tolerant receiver;CMOS circulator;FDD;full-duplex;mm-wave;N-path filter;power amplifiers.

  10. 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
    Keywords: ... 5G mobile communication;Quadrature amplitude modulation;Antennas;Phase modulation;Mixers;Transmitters;Power generation;Balanced power amplifier (PA);calibration free;direct upconverter;double-quadrature;image-rejection ratio (IRR);mutual-coupling;series-Doherty PA;transmitter (TX).

  11. 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
    Keywords: ... 5G mobile communication;Transmitters;Robustness;Solid state circuits;Loaded antennas;Tuning;Time-varying systems.

  12. 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
    Keywords: ... Radio frequency;Layout;Power amplifiers;Power system harmonics;Harmonic analysis;System-on-chip;Inductors;Continuous class F (CCF);Output matching network;Power amplifier (PA);Harmonic termination;Differential-mode analysis;Common-mode analysis.

  13. 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
    Keywords: ... Power transmission lines;5G mobile communication;Power combiners;Broadband amplifiers;Transmitters;Modulation;Throughput.

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