Marco Spirito

1. A Four-Way Series Doherty Digital Polar Transmitter at mm-Wave Frequencies
   Mortazavi, Mohsen; Shen, Yiyu; Mul, Dieuwert; de Vreede, Leo C. N.; Spirito, Marco; Babaie, Masoud;
   IEEE Journal of Solid-State Circuits,
   Volume 57, Issue 3, pp. 803-817, 2022. DOI: 10.1109/JSSC.2021.3133861

2. A 30GHz 4-way Series Doherty Digital Polar Transmitter Achieving 18% Drain Efficiency and -27.6dB EVM while Transmitting 300MHz 64-QAM OFDM Signal
   Mortazavi, Mohsen; Shen, Yiyu; Mul, Dieuwert. P. N.; de Vreede, Leo C. N.; Spirito, Marco; Babaie, Masoud;
   In 2021 IEEE Custom Integrated Circuits Conference (CICC),
   pp. 1-2, 2021. DOI: 10.1109/CICC51472.2021.9431396

3. A Novel Calibration Method for Active Interferometer-Based VNAs
   Mubarak, F. A.; Romano, R.; Rietveld, G.; Spirito, M.;
   IEEE Microwave and Wireless Components Letters,
   Volume 30, Issue 8, pp. 829-832, 2020. DOI: 10.1109/LMWC.2020.3006701

4. Hardware and Software Solutions for Active Frequency Scalable (Sub)mm-Wave Load–Pull
   De Martino, Carmine; Galatro, Luca; Romano, Raffaele; Parisi, Gaetano; Spirito, Marco;
   IEEE Transactions on Microwave Theory and Techniques,
   Volume 68, Issue 9, pp. 3769-3775, 2020. DOI: 10.1109/TMTT.2020.3005178

5. Wideband Double Leaky Slot Lens Antennas in CMOS Technology at Submillimeter Wavelengths
   van Berkel, Sven; Malotaux, Eduard Satoshi; De Martino, Carmine; Spirito, Marco; Cavallo, Daniele; Neto, Andrea; Llombart, Nuria;
   IEEE Transactions on Terahertz Science and Technology,
   Volume 10, Issue 5, pp. 540-553, 2020. DOI: 10.1109/TTHZ.2020.3006750

6. Equivalent Circuit Modeling of a Single-Ended Patch Sensing Element in Integrated Technology
   Shivamurthy, Harshitha Thippur; Hu, Zhebin; Vlachogiannakis, Gerasimos; Spirito, Marco; Neto, Andrea;
   IEEE Transactions on Microwave Theory and Techniques,
   Volume 68, Issue 1, pp. 17-26, 2020. DOI: 10.1109/TMTT.2019.2956938

7. System NEP Verification of a Wideband THz Direct Detector in CMOS
   van Berkel, S.L.; Malotaux, E.S.; de Martino, C.; Spirito, M.; Cavallo, D.; Neto, A.; Llombart, N.;
   In 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz),
   pp. 1-1, 2020. DOI: 10.1109/IRMMW-THz46771.2020.9370624

8. Towards Commercially Available Quartz Calibration Substrates
   Galatro, Luca; De Martino, Carmine; van ‘t Hof, Jos; Alomari, Mohammed; Sailer, Holger; Burghartz, Joachim; Spirito, Marco;
   In 2020 95th ARFTG Microwave Measurement Conference (ARFTG),
   pp. 1-5, 2020. DOI: 10.1109/ARFTG47271.2020.9241374

9. Over-the-Air Characterization Of mm-Wave On-Chip Antennas and Tx Modules, Concept and Calibration
   De Martino, C.; Visweswaran, Akshay; Spirito, M.;
   In 2020 95th ARFTG Microwave Measurement Conference (ARFTG),
   pp. 1-4, 2020. DOI: 10.1109/ARFTG47271.2020.9241375

10. Vector gain based EVM estimation at mm-wave frequencies
    Van ‘t Hof, J.; De Martino, C.; Malotaux, S.; Squillante, M.; Marchetti, M.; Galatro, L.; Spirito, M.;
    In 2020 95th ARFTG Microwave Measurement Conference (ARFTG),
    pp. 1-5, 2020. DOI: 10.1109/ARFTG47271.2020.9241384

11. An integrated 132-147GHz power source with +27dBm EIRP
    Visweswaran, Akshay; Haag, Alexander; de Martino, Carmine; Schneider, Karina; Maiwald, Tim; Vignon, Bastien; Aufinger, Klaus; Spirito, Marco; Zwick, Thomas; Wambacq, Piet;
    In 2020 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 219-222, 2020. DOI: 10.1109/RFIC49505.2020.9218353

12. Automated Contacting of On-Wafer Devices for RF Testing
    Mubarak, F.; Martino, C. D.; Toskovic, R.; Rietveld, G.; Spirito, M.;
    In 2020 Conference on Precision Electromagnetic Measurements (CPEM),
    pp. 1-2, 2020. DOI: 10.1109/CPEM49742.2020.9191800

13. Noise Behavior and Implementation of Interferometer-Based Broadband VNA
    Mubarak, Faisal Ali; Romano, Rafaelle; Galatro, Luca; Mascolo, Vincenzo; Rietveld, Gert; Spirito, Marco;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 67, Issue 1, pp. 249-260, 2019. DOI: 10.1109/TMTT.2018.2874667

14. Miniaturized Broadband Microwave Permittivity Sensing for Biomedical Applications
    Vlachogiannakis, Gerasimos; Hu, Zhebin; Shivamurthy, Harshitha Thippur; Neto, Andrea; Pertijs, Michiel A. P.; de Vreede, Leo C. N.; Spirito, Marco;
    IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology,
    Volume 3, Issue 1, pp. 48-55, 2019. DOI: 10.1109/JERM.2018.2882564

15. High Resolution Passive THz Imaging Array With Polarization Reusage in 22nm CMOS
    van Berkel, S. L.; Malotaux, E. S.; van den Bogert, B.; Spirito, M.; Cavallo, D.; Neto, A.; Llombart, N.;
    In 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz),
    pp. 1-2, 2019. DOI: 10.1109/IRMMW-THz.2019.8874183

16. A TRL Error-box Split Procedure to Compensate for the Bias Dependency Effects in Device Test-Fixtures
    De Martino, C.; Malotaux, E.S.; Spirito, M.;
    In 2019 93rd ARFTG Microwave Measurement Conference (ARFTG),
    pp. 1-6, 2019. DOI: 10.1109/ARFTG.2019.8739197

17. The HΓ-VNA, an Interferometric Approach for the Accurate Measurement of Extreme Impedances
    Romano, Raffaele; Mubarak, Faisal; Spirito, Marco; Galatro, Luca;
    In 2019 93rd ARFTG Microwave Measurement Conference (ARFTG),
    pp. 1-6, 2019. DOI: 10.1109/ARFTG.2019.8739232

18. A 3D Printed TE10 Rectangular to TE01 Circular Waveguide Transition for Polymer Waveguide Characterization
    Del Mastro, M.; Del Pino, M. Alonso; Spirito, M.;
    In 2019 92nd ARFTG Microwave Measurement Conference (ARFTG),
    pp. 1-3, 2019. DOI: 10.1109/ARFTG.2019.8637235

19. A 40-nm CMOS Complex Permittivity Sensing Pixel for Material Characterization at Microwave Frequencies
    Vlachogiannakis, Gerasimos; Pertijs, Michiel A. P.; Spirito, Marco; de Vreede, Leo C. N.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 66, Issue 3, pp. 1619-1634, 2018. DOI: 10.1109/TMTT.2017.2753228

20. A Compact Energy Efficient CMOS Permittivity Sensor Based on Multiharmonic Downconversion and Tunable Impedance Bridge
    Vlachogiannakis, G.; Hu, Z.; Shivamurthy, H. Thippur; Neto, A.; Pertijs, M.A.P; de Vreede, L. C. N.; Spirito, M.;
    In 2018 IEEE International Microwave Biomedical Conference (IMBioC),
    pp. 1-3, 2018. DOI: 10.1109/IMBIOC.2018.8428950

21. A 5×5 Microwave Permittivity Sensor Matrix in O.14-m CMOS
    Hu, Zhebin; Vlachogiannakis, Gerasimos; Pertijs, Michiel A.P.; de Vreede, Leo; Spirito, Marco;
    In 2018 IEEE/MTT-S International Microwave Symposium - IMS,
    pp. 1160-1163, 2018. DOI: 10.1109/MWSYM.2018.8439438

22. A Planar Near-Field Setup for Millimeter-Wave System-Embedded Antenna Testing
    M. Alonso-delPino; M. d. Rosa; M. Simeoni; M. Spella; C. De Martino; M. Spirito;
    IEEE Antennas and Wireless Propagation Letters,
    Volume 16, pp. 83-86, 2017.

23. Millimeter-Wave On-Wafer TRL Calibration Employing 3-D EM Simulation-Based Characteristic Impedance Extraction
    L. Galatro; M. Spirito;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume PP, Issue 99, pp. 1-9, 2017.

24. Performance of THz Components Based on Microstrip PECVD SiNx Technology
    M. Finkel; H. Thierschmann; L. Galatro; A. J. Katan; D. J. Thoen; P. J. de Visser; M. Spirito; T. M. Klapwijk;
    IEEE Transactions on Terahertz Science and Technology,
    Volume 7, Issue 6, pp. 765-771, Nov 2017. DOI: 10.1109/TTHZ.2017.2759507
    
    Keywords: ...

    Coplanar waveguides;Couplers;Dielectrics;Power transmission lines;Probes;Standards;Transmission line measurements;Coupling circuits;micromechanical devices;submillimeter wave circuits;thin film circuits.

25. A Total-Power Radiometer Front End in a 0.25- $mu textm$ BiCMOS Technology With Low $1/f$ -Corner
    S. Malotaux; M. Babaie; M. Spirito;
    IEEE Journal of Solid-State Circuits,
    Volume 52, Issue 9, pp. 2256-2266, Sept 2017. DOI: 10.1109/JSSC.2017.2705659
    
    Keywords: ...

    1/f noise;BiCMOS integrated circuits;Ge-Si alloys;carbon;low noise amplifiers;millimetre wave amplifiers;millimetre wave detectors;radiometers;semiconductor materials;white noise;1/f -noise corner;BiCMOS technology;LNA;NEP;SiGe:C;bandwidth 6 GHz;frequency 56 GHz;heterojunction bipolar transistor;high-sensitivity millimeter-wave total-power radiometer front-end;large area high resistive value load resistor;low noise-equivalent power;low transformation ratio;optimum bias;size 0.25 nm;two cascode stage low-noise amplifier;voltage-driven common-emitter square-law detector;white noise;wideband signal transfer;Antennas;Bandwidth;BiCMOS integrated circuits;Detectors;Radio frequency;Radiometry;Signal to noise ratio;Direct detection;flicker noise;low-noise amplifier (LNA);millimeter-wave (mm-wave);radiometer;square-law detector.

26. Capacitively Loaded Inverted CPWs for Distributed TRL-Based De-Embedding at (Sub) mm-Waves
    L. Galatro; A. Pawlak; M. Schroter; M. Spirito;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume PP, Issue 99, pp. 1-11, 2017. DOI: 10.1109/TMTT.2017.2727498
    
    Keywords: ...

    Calibration;Coplanar waveguides;Dielectrics;Impedance;Power transmission lines;Substrates;Transmission line measurements;CPW;VNA.;distributed de-embedding;millimeter waves;silicon;slow wave;thru-reflect line (TRL).

27. Wideband single pixel radiometer in CMOS
    S. L. van Berkel; E. S. Malotaux; D. Cavallo; M. Spirito; A. Neto; N. Llombart;
    In 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz),
    pp. 1-2, Aug 2017. DOI: 10.1109/IRMMW-THz.2017.8067166
    
    Keywords: ...

    CMOS integrated circuits;broadband antennas;millimetre wave antennas;p-n junctions;radiometers;semiconductor diodes;submillimetre wave antennas;submillimetre wave detectors;CMOS technology;antenna-detector impedance mismatch;frequency 10.0 Hz;frequency 200.0 GHz to 600.0 GHz;passive uncooled radiometer pixel;pn-junction diode;size 28.0 nm;temperature 2.6 K;uncooled imaging capabilities;wideband antenna;wideband single pixel radiometer;Antennas;Detectors;Imaging;Lenses;Radiometry;Schottky diodes;Silicon.

28. Integrated waveguide power combiners with artificial dielectrics for mm-wave systems
    Z. Hu; M. Alonso-delPino; D. Cavallo; H. T. Shivamurthy; M. Spirito;
    In 2017 IEEE MTT-S International Microwave Symposium (IMS),
    pp. 646-649, June 2017. DOI: 10.1109/MWSYM.2017.8058652
    
    Keywords: ...

    dielectric materials;elemental semiconductors;power combiners;silicon;waveguides;BiCMOS technology implementation;E field probes;N:1 power combiner;Si;artificial dielectrics;back-end-of-line;back-to-back-combiner operation;capacitive resonance;frequency 240.0 GHz to 310.0 GHz;full wave EM simulations;full-wave electromagnetic simulations;input feeding;insertion losses;integrated waveguide power combiners;mm-wave systems;power combiner operation;signal summation;silicon technologies;single transverse plane;synthetic waveguides;BiCMOS integrated circuits;Impedance;Pins;Power combiners;Probes;Prototypes;(sub)millimeter-wave;BiCMOS;Integrated circuit;artificial dielectric;power combiner;waveguide.

29. A near-field setup with independent amplitude and phase control of the stimuli for phased antenna testing
    C. De Martino; M. Spirito; I. E. Lager; M. Simeoni;
    In 2017 11th European Conference on Antennas and Propagation (EUCAP),
    pp. 2851-2855, March 2017. DOI: 10.23919/EuCAP.2017.7928515
    
    Keywords: ...

    antenna phased arrays;antenna testing;digital-analogue conversion;mixers (circuits);phase control;Cartesian modulation;broadband passive IQ-mixers;complex antenna array;delay mismatch compensation;far-field radiation pattern;high-resolution DAC;high-resolution digital-to-analogue converters;independent amplitude control;loss compensation;near-field antenna setup;phase coherent signals;phase control;phased antenna array testing;quadrature signal;Antenna arrays;Antenna measurements;Antenna radiation patterns;Calibration;Europe;Testing.

30. Near- and Far-Field Characterization of Planar mm-Wave Antenna Arrays with Waveguide-to-Microstrip Transition
    Salhi, Mohammed Adnan; Kazemipour, Alireza; Gentille, Gennaro; Spirito, Marco; Kleine-Ostmann, Thomas; Schrader, Thorsten;
    Journal of Infrared, Millimeter, and Terahertz Waves,
    Volume 37, Issue 9, pp. 857--873, 2016.
    document

31. Contactless Measurement of Absolute Voltage Waveforms by a Passive Electric-Field Probe
    Hou, Rui; Spirito, Marco; Van Rijs, Fred; de Vreede, Leo C. N.;
    IEEE Microwave and Wireless Components Letters,
    Volume 26, Issue 12, pp. 1008-1010, 2016. DOI: 10.1109/LMWC.2016.2623250

32. Nonintrusive Near-Field Characterization of Spatially Distributed Effects in Large-Periphery High-Power GaN HEMTs
    Hou, Rui; Lorenzini, Martino; Spirito, Marco; Roedle, Thomas; van Rijs, Fred; de Vreede, Leo C. N.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 64, Issue 11, pp. 4048-4062, 2016. DOI: 10.1109/TMTT.2016.2613525

33. Branchline and directional THz coupler based on PECVD SiNx-technology
    M. Finkel; H. R. Thierschmann; L. Galatro; A. J. Katan; D. J. Thoen; P. J. de Visser; M. Spirito; T. M. Klapwijk;
    In 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    pp. 1-2, Sept 2016.

34. Characterization of broadband low-NEP SiGe square-law detectors for mm-wave passive imaging
    E. S. Malotaux; M. Spirito;
    In 2016 IEEE MTT-S International Microwave Symposium (IMS),
    pp. 1-4, May 2016.

35. On the definition of reference planes in probe-level calibrations
    L. Galatro; F. Mubarak; M. Spirito;
    In 2016 87th ARFTG Microwave Measurement Conference (ARFTG),
    pp. 1-4, May 2016.

36. BiCMOS integrated waveguide with artificial dielectric at submillimeter wave frequencies
    M. A. d. Pino; H. T. Shivamurthy; D. Cavallo; L. Galatro; M. Spirito;
    In 2016 IEEE MTT-S International Microwave Symposium (IMS),
    pp. 1-4, May 2016.

37. A passive total power radiometer in 0.25 #x00B5;m SiGe BiCMOS for millimeter-wave imaging
    E. S. Malotaux; M. Spirito;
    In 2016 IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM),
    pp. 118-121, Sept 2016.

38. Power level control of mm-wave test benches for accurate small and large-signal DUT measurements
    C. D. Martino; Z. Hu; L. Galatro; G. Sarris; M. Spirito;
    In 2016 88th ARFTG Microwave Measurement Conference (ARFTG),
    pp. 1-4, Dec 2016.

39. A 40-nm CMOS permittivity sensor for chemical/biological material characterization at RF/microwave frequencies
    Vlachogiannakis, Gerasimos; Spirito, Marco; Pertijs, Michiel A. P.; de Vreede, Leo C.N.;
    In 2016 IEEE MTT-S International Microwave Symposium (IMS),
    pp. 1-4, 2016. DOI: 10.1109/MWSYM.2016.7540260

40. Design, Fabrication, and Measurements of a 0.3 THz On-Chip Double Slot Antenna Enhanced by Artificial Dielectrics
    W. H. Syed; G. Fiorentino; D. Cavallo; M. Spirito; P. M. Sarro; A. Neto;
    IEEE Transactions on Terahertz Science and Technology,
    Volume 5, Issue 2, pp. 288-298, March 2015.

41. Silicon-Based Technology for Integrated Waveguides and mm-Wave Systems
    Jovanović, Vladimir; Gentile, Gennaro; Dekker, Ronald; de Graaf, Pascal; de Vreede, Leo C. N.; Nanver, Lis K.; Spirito, Marco;
    IEEE Transactions on Electron Devices,
    Volume 62, Issue 10, pp. 3153-3159, 2015. DOI: 10.1109/TED.2015.2466441

42. A wideband 60 GHz class-E/F2 power amplifier in 40nm CMOS
    M. Babaie; R. B. Staszewski; L. Galatro; M. Spirito;
    In 2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 215-218, May 2015.

43. Improved RSOL planar calibration via EM modelling and reduced spread resistive layers
    M. Spirito; L. Galatro; G. Lorito; T. Zoumpoulidis; F. Mubarak;
    In 2015 86th ARFTG Microwave Measurement Conference,
    pp. 1-5, Dec 2015.

44. An IQ-steering technique for amplitude and phase control of mm-wave signals
    A. Visweswaran; C. de Martino; E. Sirignano; M. Spirito;
    In 2015 86th ARFTG Microwave Measurement Conference,
    pp. 1-4, Dec 2015.

45. A simplified calibration procedure for on-wafer power levelled S-parameter measurements at mm-wave
    S. Galbano; L. Galatro; M. Spirito;
    In 2015 85th Microwave Measurement Conference (ARFTG),
    pp. 1-3, May 2015.

46. Evaluation and modeling of measurement resolution of a vector network analyzer for extreme impedance measurements
    F. Mubarak; R. Romano; M. Spirito;
    In 2015 86th ARFTG Microwave Measurement Conference,
    pp. 1-3, Dec 2015.

47. BiCMOS integrated waveguide power combiner at submillimeter-wave frequencies
    M. Alonso-delPino; D. Cavallo; H. Thippur-Shivamurthy; H. Gao; M. Spirito;
    In 2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    pp. 1-2, Aug 2015.

48. Calibration and characterization techniques for on-wafer device characterization
    L. Galatro; M. Spirito;
    In 2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS),
    pp. 1-4, June 2015.

49. Medium-range propagation flexible waveguides at millimeter-wave and submillimeter-wave frequencies
    M. Alonso-delPino; N. Llombart; M. Spirito;
    In 2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    pp. 1-2, Aug 2015.

50. Power control for S-parameters and large signal characterization at (sub)-mmWave frequencies
    L. Galatro; S. Galbano; A. Santaniello; M. Spirito;
    In 2015 85th Microwave Measurement Conference (ARFTG),
    pp. 1-4, May 2015.

51. An I/Q-mixer-steering interferometric technique for high-sensitivity measurement of extreme impedances
    G. Vlachogiannakis; H. T. Shivamurthy; M. A. D. Pino; M. Spirito;
    In 2015 IEEE MTT-S International Microwave Symposium,
    pp. 1-4, May 2015.

52. Analysis of residual errors due to calibration transfer in on-wafer measurements at mm-wave frequencies
    L. Galatro; M. Spirito;
    In 2015 IEEE Bipolar/BiCMOS Circuits and Technology Meeting - BCTM,
    pp. 141-144, Oct 2015.

53. Non-intrusive near-field characterization of distributed effects in large-periphery LDMOS RF power transistors
    Hou, Rui; Spirito, Marco; Heeres, Rob; van Rijs, Fred; de Vreede, Leo C.N.;
    In 2015 IEEE MTT-S International Microwave Symposium,
    pp. 1-3, 2015. DOI: 10.1109/MWSYM.2015.7166945

54. Front-to-back ratio enhancement of on-chip antenna using artificial dielectrics at 300 GHz
    W. H. Syed; G. Fiorentino; D. Cavallo; M. Spirito; A. Neto; P. M. Sarro;
    In 2014 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium),
    pp. 140-140, July 2014.

55. A method for de-embedding cable flexure errors in S-parameter measurements
    F. Mubarak; G. Rietveld; M. Spirito;
    In 83rd ARFTG Microwave Measurement Conference,
    pp. 1-5, June 2014.

56. Enhancement of front to back ratio of on chip antenna by artificial dielectrics at 300 GHz
    W. H. Syed; G. Fiorentino; D. Cavallo; M. Spirito; A. Neto; P. M. Sarro;
    In 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    pp. 1-2, Sept 2014.

57. A package-integratable six-port reflectometer for power devices
    Venter, Razvan G.; Rui Hou; Buisman, Koen; Spirito, Marco; Werner, Klaus; de Vreede, Leo C.N.;
    In 2014 IEEE MTT-S International Microwave Symposium (IMS2014),
    pp. 1-4, 2014. DOI: 10.1109/MWSYM.2014.6848549

58. A 60-GHz Passive Broadband Multibeam Antenna System in Fused Silica Technology
    F. Foglia Manzillo; R. Nastri; M. Spella; G. Gentile; M. Spirito;
    IEEE Antennas and Wireless Propagation Letters,
    Volume 12, pp. 1376-1379, 2013.

59. Silicon-Filled Rectangular Waveguides and Frequency Scanning Antennas for mm-Wave Integrated Systems
    Gentile, Gennaro; Jovanović, Vladimir; Pelk, Marco J.; Jiang, Lai; Dekker, Ronald; de Graaf, P.; Rejaei, Behzad; de Vreede, Leo C. N.; Nanver, Lis K.; Spirito, Marco;
    IEEE Transactions on Antennas and Propagation,
    Volume 61, Issue 12, pp. 5893-5901, 2013. DOI: 10.1109/TAP.2013.2281518

60. Multimode analysis of transmission lines and substrates for (sub)mm-wave calibration
    M. Spirito; G. Gentile; A. Akhnoukh;
    In 82nd ARFTG Microwave Measurement Conference,
    pp. 1-6, Nov 2013.

61. Ultra-wide band CPW to substrate integrated waveguide (SIW) transition based on a U-shaped slot antenna
    Gentile, G.; Rejaei, B.; Jovanović, V.; Nanver, L.K.; de Vreede, L.C.N.; Spirito, M.;
    In 2013 European Microwave Integrated Circuit Conference,
    pp. 25-28, 2013.

62. A CMOS-compatible metamaterial to enhance the front to back radiation ratio in terahertz antenna for sensing application
    G. Fiorentino; W. Syed; F. Santagata; M. Spirito; G. Pandraud; A. Neto; P. M. Sarro; A. J. L. Adam;
    In 2013 IEEE SENSORS,
    pp. 1-4, Nov 2013.

63. Characterizing cable flexure effects in S-parameter measurements
    F. Mubarak; G. Rietveld; D. Hoogenboom; M. Spirito;
    In 82nd ARFTG Microwave Measurement Conference,
    pp. 1-7, Nov 2013.

64. An FM demodulator operating across 2 #x2013;10GHz IF
    A. Visweswaran; J. R. Long; L. Galatro; M. Spirito; R. B. Staszewski;
    In 2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
    pp. 213-216, June 2013.

65. Large signal characterization of millimeter wave devices using mixed signal active load-pull
    L. Galatro; A. Akhnoukh; P. Magn�e; M. Marchetti; M. Spirito;
    In 82nd ARFTG Microwave Measurement Conference,
    pp. 1-5, Nov 2013.

66. Non-intrusive characterization of active device interactions in high-efficiency power amplifiers
    Hou, Rui; Spirito, Marco; Gajadharsing, John; de Vreede, Leo C.N.;
    In 2013 IEEE MTT-S International Microwave Symposium Digest (MTT),
    pp. 1-3, 2013. DOI: 10.1109/MWSYM.2013.6697599

67. Device characterization for LTE applications with wideband baseband, fundamental and harmonic impedance control
    Manjanna, A. Kumar; Marchetti, M.; Buisman, K.; Spirito, M.; Pelk, M. J.; de Vreede, L. C. N.;
    In 2013 European Microwave Conference,
    pp. 255-258, 2013. DOI: 10.23919/EuMC.2013.6686639

68. Synthesized pulsed bias for device characterization
    Kumar Manjanna, A.; Buisman, K.; Spirito, M.; Marchetti, M.; Pelk, M.; de Vreede, L. C. N.;
    In 81st ARFTG Microwave Measurement Conference,
    pp. 1-4, 2013. DOI: 10.1109/ARFTG.2013.6579031

69. Passive Circuit Technologies for mm-Wave Wireless Systems on Silicon
    J. R. Long; Y. Zhao; W. Wu; M. Spirito; L. Vera; E. Gordon;
    IEEE Transactions on Circuits and Systems I: Regular Papers,
    Volume 59, Issue 8, pp. 1680-1693, Aug 2012.

70. An Experimental Power-Lines Model for Digital ASICs Based on Transmission Lines
    M. Costagliola; D. de Caro; A. Girardi; R. Izzi; N. Rinaldi; M. Spirito; P. Spirito;
    IEEE Transactions on Very Large Scale Integration (VLSI) Systems,
    Volume 20, Issue 1, pp. 162-166, Jan 2012.

71. 60 GHz mixed signal active load-pull system for millimeter wave devices characterization
    L. Galatro; M. Marchetti; M. Spirito;
    In 80th ARFTG Microwave Measurement Conference,
    pp. 1-6, Nov 2012.

72. Silicon integrated waveguide technology for mm-wave frequency scanning array
    Gentile, G.; Spirito, M.; de Vreede, L.C.N; Rejaei, B.; Dekker, R.; de Graaf, P.;
    In 2012 7th European Microwave Integrated Circuit Conference,
    pp. 234-237, 2012.

73. Contactless measurement of in-circuit reflection coefficients
    Rui Hou; Spirito, Marco; Kooij, Bert-Jan; van Rijs, Fred; de Vreede, Leo C.N.;
    In 2012 IEEE/MTT-S International Microwave Symposium Digest,
    pp. 1-3, 2012. DOI: 10.1109/MWSYM.2012.6259588

74. Silicon VLSI catches the millimeter wave
    J. R. Long; W. L. Chan; Y. Zhao; M. Spirito;
    IEEE Communications Magazine,
    Volume 49, Issue 10, pp. 182-189, Oct 2011.

75. A 4dB NF 60GHz-band low-noise amplifier with balanced outputs
    Y. Jin; J. R. Long; M. Spirito;
    In 2011 IEEE Bipolar/BiCMOS Circuits and Technology Meeting,
    pp. 115-118, Oct 2011.

76. A 7dB NF 60GHz-band millimeter-wave transconductance mixer
    Y. Jin; J. R. Long; M. Spirito;
    In 2011 IEEE Radio Frequency Integrated Circuits Symposium,
    pp. 1-4, June 2011.

77. Compact mm-wave power combiners in 65nm CMOS-SOI
    Y. Zhao; J. R. Long; M. Spirito;
    In 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems,
    pp. 33-36, Jan 2011.

78. A 60GHz-band 20dBm power amplifier with 20% peak PAE
    Y. Zhao; J. R. Long; M. Spirito;
    In 2011 IEEE Radio Frequency Integrated Circuits Symposium,
    pp. 1-4, June 2011.

79. Circuit technologies for mm-wave wireless systems on silicon
    J. R. Long; Y. Zhao; Y. Jin; W. Wu; M. Spirito;
    In 2011 IEEE Custom Integrated Circuits Conference (CICC),
    pp. 1-8, Sept 2011.

80. A +18dBm, 79 #x2013;87.5GHz bandwidth power amplifier in 0.13 #x00B5;m SiGe-BiCMOS
    Y. Zhao; J. R. Long; M. Spirito; A. B. Akhnoukh;
    In 2011 IEEE Bipolar/BiCMOS Circuits and Technology Meeting,
    pp. 17-20, Oct 2011.

81. An effective key management scheme for mobile heterogeneous sensor networks
    S. U. Khan; L. Lavagno; C. Pastrone; M. Spirito;
    In International Conference on Information Society (i-Society 2011),
    pp. 98-103, June 2011.

82. An energy and memory-efficient key management scheme for mobile heterogeneous sensor networks
    S. U. Khan; C. Pastrone; L. Lavagno; M. A. Spirito;
    In 2011 6th International Conference on Risks and Security of Internet and Systems (CRiSIS),
    pp. 1-8, Sept 2011.

83. Millimeter-wave integrated waveguides on silicon
    Gentile, G.; Dekker, R.; de Graaf, P.; Spirito, M.; de Vreede, L. C. N.; Rejaei, B.;
    In 2011 IEEE 11th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems,
    pp. 37-40, 2011. DOI: 10.1109/SIRF.2011.5719314

84. Silicon Filled Integrated Waveguides
    Gentile, G.; Dekker, Ronald; de Graaf, Pascal; Spirito, M.; Pelk, M. J.; de Vreede, L. C. N.; Rejaei Salmassi, B.;
    IEEE Microwave and Wireless Components Letters,
    Volume 20, Issue 10, pp. 536-538, 2010. DOI: 10.1109/LMWC.2010.2063420

85. A 60GHz-band 2 #x00D7;2 phased-array transmitter in 65nm CMOS
    W. L. Chan; J. R. Long; M. Spirito; J. J. Pekarik;
    In 2010 IEEE International Solid-State Circuits Conference - (ISSCC),
    pp. 42-43, Feb 2010.

86. Compact transformer power combiners for millimeter-wave wireless applications
    Y. Zhao; J. R. Long; M. Spirito;
    In 2010 IEEE Radio Frequency Integrated Circuits Symposium,
    pp. 223-226, May 2010.

87. A 60GHz-band Millimeter-wave active balun with #x00B1;5 #x00B0; phase error
    Y. Jin; M. Spirito; J. R. Long;
    In The 5th European Microwave Integrated Circuits Conference,
    pp. 210-213, Sept 2010.

88. Antenna interface for mm-wave communication
    S. Malevsky; M. Spirito; J. R. Long;
    In 2010 Loughborough Antennas Propagation Conference,
    pp. 565-568, Nov 2010.

89. A multi-step phase calibration procedure for closely spaced multi-tone signals
    Mirra, M.; Marchetti, M.; Tessitore, F.; Spirito, M.; de Vreede, L.C.N.; Betts, L.;
    In 75th ARFTG Microwave Measurement Conference,
    pp. 1-5, 2010. DOI: 10.1109/ARFTG.2010.5496320

90. A mixed-signal load-pull system for base-station applications
    Marchetti, Mauro; Heeres, Rob; Squillante, Michele; Pelk, Marco; Spirito, Marco; de Vreede, Leo C. N.;
    In 2010 IEEE Radio Frequency Integrated Circuits Symposium,
    pp. 491-494, 2010. DOI: 10.1109/RFIC.2010.5477381

91. Enhanced RF power amplifiers and device characterization setups using coherent mixed-signal techniques
    de Vreede, L.C.N.; Pelk, M.; Neo, E.; Qureshi, J.; Spirito, M.; Squillante, M.; Marchetti, M.;
    In 2010 IEEE 11th Annual Wireless and Microwave Technology Conference (WAMICON),
    pp. 1-5, 2010. DOI: 10.1109/WAMICON.2010.5461858

92. Millimeter-wave passive components on silicon for wireless communication applications
    Y. Zhao; Y. Jin; M. Spirito; J. R. Long;
    In 2009 16th IEEE International Conference on Electronics, Circuits and Systems - (ICECS 2009),
    pp. 972-975, Dec 2009.

93. Thermal simulation and ultrafast IR temperature mapping of a Smart Power Switch for automotive applications
    M. Riccio; A. Irace; G. Breglio; P. Spirito; V. Kosel; M. Glavanovics; A. Satka;
    In 2009 21st International Symposium on Power Semiconductor Devices IC's,
    pp. 200-203, June 2009.

94. A 60GHz-band 1V 11.5dBm power amplifier with 11% PAE in 65nm CMOS
    W. L. Chan; J. R. Long; M. Spirito; J. J. Pekarik;
    In 2009 IEEE International Solid-State Circuits Conference - Digest of Technical Papers,
    pp. 380-381,381a, Feb 2009.

95. Energy Detection Spectrum Sensing with Discontinuous Primary User Signal
    F. Penna; C. Pastrone; M. A. Spirito; R. Garello;
    In 2009 IEEE International Conference on Communications,
    pp. 1-5, June 2009.

96. Probability of Missed Detection in Eigenvalue Ratio Spectrum Sensing
    F. Penna; R. Garello; M. A. Spirito;
    In 2009 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications,
    pp. 117-122, Oct 2009.

97. A mixed-signal approach for high-speed fully controlled multidimensional load-pull parameters sweep
    Squillante, Michele; Marchetti, Mauro; Spirito, Marco; de Vreede, Leo C. N.;
    In 2009 73rd ARFTG Microwave Measurement Conference,
    pp. 1-5, 2009. DOI: 10.1109/ARFTG.2009.5278074

98. Active Harmonic Load–Pull With Realistic Wideband Communications Signals
    Marchetti, Mauro; Pelk, Marco J.; Buisman, Koen; Neo, W. C. Edmund; Spirito, Marco; de Vreede, Leo C. N.;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 56, Issue 12, pp. 2979-2988, 2008. DOI: 10.1109/TMTT.2008.2007330

99. A Monolithic Low-Distortion Low-Loss Silicon-on-Glass Varactor-Tuned Filter With Optimized Biasing
    Buisman, Koen; de Vreede, Leo C. N.; Larson, Lawrence E.; Spirito, Marco; Akhnoukh, Atef; Lin, Yu; Liu, Xiao-dong; Nanver, Lis K.;
    IEEE Microwave and Wireless Components Letters,
    Volume 17, Issue 1, pp. 58-60, 2007. DOI: 10.1109/LMWC.2006.887262

100. Active Harmonic Load–Pull for On-Wafer Out-of-Band Device Linearity Optimization
     Spirito, Marco; Pelk, Marco J.; van Rijs, Fred; Theeuwen, Steven J. C. H.; Hartskeerl, Dave; de Vreede, Leo C. N.;
     IEEE Transactions on Microwave Theory and Techniques,
     Volume 54, Issue 12, pp. 4225-4236, 2006. DOI: 10.1109/TMTT.2006.885568

101. A pulsed network analyzer for high dynamic range isothermal measurements
     Marchetti, M.; Pelk, M.; Buisman, K.; Spirito, M.; de Vreede, L. C. N.;
     In 2006 68th ARFTG Conference: Microwave Measurement,
     pp. 1-4, 2006. DOI: 10.1109/ARFTG.2006.8361670

102. Surface-passivated high-resistivity silicon as a true microwave substrate
     Spirito, M.; De Paola, F.M.; Nanver, L.K.; Valletta, E.; Bifeng Rong; Rejaei, B.; de Vreede, L.C.N.; Burghartz, J.N.;
     IEEE Transactions on Microwave Theory and Techniques,
     Volume 53, Issue 7, pp. 2340-2347, 2005. DOI: 10.1109/TMTT.2005.850435

103. On the optimum 2nd harmonic source and load impedances for the efficiency-linearity trade-off of RF LDMOS power amplifiers
     D. M. H. Hartskeerl; I. Volokhine; M. Spirito;
     In 2005 IEEE Radio Frequency integrated Circuits (RFIC) Symposium - Digest of Papers,
     pp. 447-450, June 2005.

104. “Distortion-Free” Varactor Diode Topologies for RF Adaptivity
     Buisman, K.; de Vreede, L. C. N.; Larson, L.E.; Spirito, M.; Akhnoukh, A.; Scholtes, T.L.M.; Nanver, L. K.;
     In IEEE MTT-S International Microwave Symposium Digest, 2005.,
     pp. 157-160, 2005. DOI: 10.1109/MWSYM.2005.1516547

105. Improved hybrid SiGe HBT class-AB power amplifier efficiency using varactor-based tunable matching networks
     Neo, W.C.E.; Liu, X.; Lin, Y.; de Vreede, L.C.N.; Larson, L.E.; Spirito, S.; Akhnoukh, A.; de Graauw, A.; Nanver, L.K.;
     In Proceedings of the Bipolar/BiCMOS Circuits and Technology Meeting, 2005.,
     pp. 108-111, 2005. DOI: 10.1109/BIPOL.2005.1555211

106. Experimental procedure to optimize out-of-band terminations for highly linear and power efficient bipolar class-AB RF amplifiers
     Spirito, M.; van der Heijden, M.P.; Pelk, M.; de Vreede, L.C.N.; Zampardi, P.J.; Larson, L.E.; Burghartz, J.N.;
     In Proceedings of the Bipolar/BiCMOS Circuits and Technology Meeting, 2005.,
     pp. 112-115, 2005. DOI: 10.1109/BIPOL.2005.1555212

107. Low-distortion, low-loss varactor-based adaptive matching networks, implemented in a silicon-on-glass technology
     Buisman, K.; de Vreede, L.C.N.; Larson, L.E.; Spirito, M.; Akhnoukh, A.; Lin, Y.; Liu, X.; Nanver, L.K.;
     In 2005 IEEE Radio Frequency integrated Circuits (RFIC) Symposium - Digest of Papers,
     pp. 389-392, 2005. DOI: 10.1109/RFIC.2005.1489820

108. Large signal verification of the circuit-oriented smoothie database model for LDMOS devices
     Cuoco, V.; Yanson, O.; Hammes, P.; Spirito, M.; de Vreede, L.C.N.; Steenwijk, A.v.; Versleijen, M.; Neo, W.C.E.; Jos, H.F.F.; Burghartz, J.N.;
     In 34th European Microwave Conference, 2004.,
     pp. 217-220, 2004.

109. A technique to linearize LDMOS power amplifiers based on derivative superposition and out-of-band impedance optimization
     W.C.E. Neo; van der Heijden, M.P.; de Vreede, L.C.N.; Spirito, M.; Cuoco, V.; van Rijs, F.;
     In 34th European Microwave Conference, 2004.,
     pp. 1173-1175, 2004.

110. Base-band impedance control and calibration for on-wafer linearity measurements
     Pelk, M.J.; de Vreede, L.C.N.; Spirito, M.; Jos, J.H.;
     In ARFTG 63rd Conference, Spring 2004,
     pp. 35-40, 2004. DOI: 10.1109/ARFTG.2004.1387852

111. On the optimum biasing and input out-of-band terminations of linear and power efficient class-AB bipolar RF amplifiers
     van der Heijden, M.P.; Spirito, M.; Pelk, M.; de Vreede, L.C.N.; Burghartz, J.N.;
     In Bipolar/BiCMOS Circuits and Technology, 2004. Proceedings of the 2004 Meeting,
     pp. 44-47, 2004. DOI: 10.1109/BIPOL.2004.1365741

112. The electro-thermal Smoothie database model for LDMOS devices
     Cuoco, V.; Neo, W.C.E.; Spirito, M.; Yanson, O.; Nenadovic, N.; de Vreede, L.C.N.; Jos, H.F.F.; Burghartz, J.N.;
     In Proceedings of the 30th European Solid-State Circuits Conference (IEEE Cat. No.04EX850),
     pp. 457-460, 2004. DOI: 10.1109/ESSDER.2004.1356590

113. A novel active harmonic load-pull setup for on-wafer device linearity characterization
     Spirito, M.; de Vreede, L.C.N.; de Kok, M.; Pelk, M.; Hartskeerl, D.; Jos, H.F.F.; Mueller, J.E.; Burghartz, J.;
     In 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535),
     pp. 1217-1220 Vol.2, 2004. DOI: 10.1109/MWSYM.2004.1339207

114. Power amplifier PAE and ruggedness optimization by second-harmonic control
     Spirito, M.; de Vreede, L.C.N.; Nanver, L.K.; Weber, S.; Burghartz, J.N.;
     IEEE Journal of Solid-State Circuits,
     Volume 38, Issue 9, pp. 1575-1583, 2003. DOI: 10.1109/JSSC.2003.815918

115. A calibration procedure for on-wafer differential load-pull measurements
     Spirito, M.; van der Heijden, M.P.; de Kok, M.; de Vreede, L.C.N.;
     In 61st ARFTG Conference Digest, Spring 2003.,
     pp. 1-4, 2003. DOI: 10.1109/ARFTGS.2003.1216860

116. A 2 GHz high-gain differential InGaP HBT driver amplifier matched for high IP3
     van der Heijden, M.P.; Spirito, M.; de Vreede, L.C.N.; van Straten, F.; Burghartz, J.N.;
     In IEEE MTT-S International Microwave Symposium Digest, 2003,
     pp. 235-238 vol.1, 2003. DOI: 10.1109/MWSYM.2003.1210923

117. Low-loss passives for 2nd-harmonic termination control in power amplifiers for mobile applications
     Spirito, M.; de Vreede, L.C.N.; Nanver, L.K.; Mueller, J.E.; Burghartz, J.N.;
     In 2003 Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, 2003. Digest of Papers.,
     pp. 49-52, 2003. DOI: 10.1109/SMIC.2003.1196666

118. Power amplifier PAE and ruggedness optimization by second harmonic control
     Spirito, M.; de Vreede, L.C.N.; Nanver, L.K.; Weber, S.; Burghartz, J.N.;
     In Proceedings of the Bipolar/BiCMOS Circuits and Technology Meeting,
     pp. 173-176, 2002. DOI: 10.1109/BIPOL.2002.1042911

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