Morteza Alavi

Publications

  1. 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.

  2. 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.C.N de Vreede;
    In ISSCC,
    pp. 300-301, Feb 2017.

  3. A 5.9 GHz RFDAC-based outphasing power amplifier in 40-nm CMOS with 49.2% efficiency and 22.2 dBm power
    Z. Hu; L. C. N. de Vreede; M. S. Alavi; D. A. Calvillo-Cortes; R. B. Staszewski; S. He;
    In 2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 206-209, May 2016. DOI: 10.1109/RFIC.2016.7508287
    Keywords: ... CMOS integrated circuits;differential amplifiers;digital-analogue conversion;radiofrequency power amplifiers;CMOS;RFDAC-based outphasing power amplifier;ROPA drain;complementary metal oxide semiconductor;differential quasiload-insensitive class-E branch PA;digital amplitude control word;efficiency 49.2 percent;frequency 5.9 GHz;power back-off;radiofrequency digital-to-analog converter;segmentation technique;size 40 nm;word length 3 bit;Bandwidth;CMOS integrated circuits;Dynamic range;Loading;Modulation;Power generation;Switches;CMOS power amplifier;Chireix combiner;Class-E;Outphasing power amplifier;RFDAC.

  4. A Wideband 2 \times 13-bit All-Digital I/Q RF-DAC
    M. S. Alavi; R. B. Staszewski; L. C. N. de Vreede; J. R. Long;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 62, Issue 4, pp. 732-752, April 2014.

  5. 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.

  6. A 2 #x00D7;13-bit all-digital I/Q RF-DAC in 65-nm CMOS
    M. S. Alavi; G. Voicu; R. B. Staszewski; L. C. N. de Vreede; J. R. Long;
    In 2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 167-170, June 2013.

  7. All-Digital RF I/Q Modulator
    M. S. Alavi; R. B. Staszewski; L. C. N. de Vreede; A. Visweswaran; J. R. Long;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 60, Issue 11, pp. 3513-3526, Nov 2012.

  8. Orthogonal summing and power combining network in a 65-nm all-digital RF I/Q modulator
    M. S. Alavi; R. B. Staszewski; L. C. N. de Vreede; J. R. Long;
    In 2011 IEEE International Symposium on Radio-Frequency Integration Technology,
    pp. 21-24, Nov 2011.

  9. A 2-GHz digital I/Q modulator in 65-nm CMOS
    M. S. Alavi; A. Visweswaran; R. B. Staszewski; L. C. N. de Vreede; J. R. Long; A. Akhnoukh;
    In IEEE Asian Solid-State Circuits Conference 2011,
    pp. 277-280, Nov 2011.

  10. Efficient LDMOS device operation for envelope tracking amplifiers through second harmonic manipulation
    M. S. Alavi; F. van Rijs; M. Marchetti; M. Squillante; T. Zhang; S. J. Theeuwen; Y. Volokhine; R. H. Jos; M. P. van der Heijden; M. Acar; L. C. de Vreede;
    In 2011 IEEE MTT-S International Microwave Symposium,
    pp. 1-1, June 2011.

  11. Efficient LDMOS device operation for envelope tracking amplifiers through second harmonic manipulation
    M. S. Alavi; F. van Rijs; M. Marchetti; M. Squillante; T. Zhang; S. J. C. H. Theeuwen; Y. Volokhine; H. F. F. Jos; M. P. v. d. Heijden; M. Acar; L. C. N. de Vreede;
    In 2011 IEEE MTT-S International Microwave Symposium,
    pp. 1-4, June 2011.

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