All Stories

  1. An empirical nonlinear RF model for CMOS fet suitable for modeling the breakdown region

    Article • Microwave and Optical Technology Letters, January 2017, Wiley

    Dr J. R. Loo-Yau

  2. Transformer Model with Saturation Effects for Frequency Domain Transients Simulation

    Article • IET Generation Transmission & Distribution, September 2016, the Institution of Engineering and Technology (the IET)

    Dr Pablo Moreno, Dr J. R. Loo-Yau, Mr Carlos M Luna

  3. Aerial line model for power system electromagnetic transients simulation

    Article • IET Generation Transmission & Distribution, May 2016, the Institution of Engineering and Technology (the IET)

    Dr J. R. Loo-Yau, Dr Pablo Moreno

  4. Application of the NARX neural network as a digital predistortion technique for linearizing microwave power amplifiers

    Article • Microwave and Optical Technology Letters, June 2015, Wiley

    Dr J. R. Loo-Yau, Dr. José Ernesto Rayas-Sánchez

  5. LZZM: An extension of the theory of the LZZ calibration technique

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  6. An alternative method to extract the parasitic capacitances of GaN FETs

    Article • Microwave and Optical Technology Letters, November 2014, Wiley

    Dr J. R. Loo-Yau, Dr Pablo Moreno

  7. Modeling parasitic capacitances in Gallium Nitride (GaN) FET transistor

    Article • November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  8. Implementation of a NARX neural network in a FPGA for modeling the inverse characteristics of power amplifiers

    Article • August 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  9. A digital predistortion technique based on a NARX network to linearize GaN class F power amplifiers

    Article • August 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau, Dr. José Ernesto Rayas-Sánchez

  10. Microwaves research collaboration between Cinvestav-GDL and CICESE, two research centers in Mexico

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  11. FPGA Implementation of a NARX Network for Modeling Nonlinear Systems

    Article • January 2014, Springer Science + Business Media

    Dr J. R. Loo-Yau

  12. Vector Network Analyzer Calibration Using a Line and Two Offset Reflecting Loads

    Article • IEEE Transactions on Microwave Theory and Techniques, September 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  13. Using lines of arbitrary impedance as standards on the TRL calibration technique

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  14. A neural network approach to smooth calibrated data corrupted from switching errors

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  15. Modeling the I-V Curves and Its Derivatives of Microwave Transistors Using Neural Networks

    Article • IEEE Microwave and Wireless Components Letters, September 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  16. Non-idealities in analog circuits design: What does it really mean?

    Article • August 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  17. What can the ABCD parameters tell us about the TRL?

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  18. On-wafer CMOS transistors de-embedding method using two transmission lines of different lengths

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  19. An improved two-tier L-L method for characterizing symmetrical microwave test fixtures

    Article • Measurement, November 2011, Elsevier

    Dr J. R. Loo-Yau

  20. Enhancement of the rejection bandwidth of microwave-coupled lines filters using spurline structures

    Article • Microwave and Optical Technology Letters, September 2011, Wiley

    Dr J. R. Loo-Yau

  21. A simple procedure for characterizing line-stretcher phase shifters

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  22. An empirical I-V nonlinear model suitable for GaN FET class F PA design

    Article • Microwave and Optical Technology Letters, March 2011, Wiley

    Dr J. R. Loo-Yau

  23. A straightforward method to determine the parasitic gate resistance of GaN FET

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  24. Two-tier L-L de-embedding method for S-parameters measurements of devices mounted in test fixture

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  25. Advances in Linear Modeling of Microwave Transistors

    Article • IEEE Microwave Magazine, April 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  26. A 4W UHF Si-LDMOS class AB PA for RFID applications

    Article • November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  27. An Extension of the Classical Method to Design High Efficiency Microwave Class E PAs

    Article • IEEE Microwave and Wireless Components Letters, July 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  28. DC or pulse I(V) measurements to simulate transmission line class E power amplifiers

    Article • Microwave and Optical Technology Letters, January 2006, Wiley

    Dr J. R. Loo-Yau

  29. Modeling the I-V characteristics of the power microwave FETs with the Angelov model using pulse measurements

    Article • Microwave and Optical Technology Letters, January 2006, Wiley

    Dr J. R. Loo-Yau

  30. A New Empirical Gate Capacitance Model for PHEMT and MESFET Transistors

    Article • November 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  31. Line-attenuator-line: an alternative method for in-fixture calibration

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau

  32. Theoretical study of the effects of the parasitic resistances, R/sub D and R/sub s/, on the voltage and current waveform in the transmission line class E PA

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr J. R. Loo-Yau