Research in Microwave and RF Electronics Eva Ferre-Pikal, Associate Professor of Electrical & Computer Engineering Ph. 303-766-5213      E-mail: evafp@uwyo.edu

Areas of Expertise:

RF & Microwave Electronics, Noise in Electronics

Investigation of noise processes in rf and microwave oscillators, amplifiers, frequency multipliers/dividers and other devices. Generation and synthesis of rf signals that are very stable in frequency and amplitude.

Publications:

• E.S. Ferre-Pikal, “Reduction of Phase Noise in Linear HBT Amplifiers Using Low-Frequency Active Feedback,” IEEE Transactions on Circuits and Systems – I, vol. 51, no. 2, pp. 1417-1421, August 2004.

• E.S. Ferre-Pikal, M.J. Luce, K. Asirvatham, and S. Sengupta, "Modeling Phase and Amplitude Noise in Heterojunction Bipolar Transistor Amplifiers," to be published in the 2004 IEEE Ultrasonics, Ferroelectrics, and Frequency Control 50th Anniversary Joint Conference.
  

• S. Barua, A. Van Slyke, and E.S. Ferre-Pikal, “Phase Noise in Heterojunction Field-Effect Transistor Amplifiers,” 2002 IEEE International Frequency Control Symposium and PDA Exhibition, pp. 710-714, June 2002.

• S.C. Peacock, M.A. Stauffer, A.M. Van Slyke, and E.S. Ferre-Pikal, "Study of Flicker Phase Modulation and Amplitude Modulation Noise in Field Effect Transistor Amplifiers," Proc. of the 2001 IEEE/EIA International Frequency Control Symposium, pp.200-204, 2001.

• E.S. Ferre-Pikal, M.C. Delgado Aramburo, F.L. Walls, and K.M. Lakin, "1/f Frequency Noise of 2 GHz High-Q Thin-Film Sapphire Resonators," IEEE Trans. Ultrason. Ferroelect. Freq. Control, vol. 48, no.2, pp. 506-509, March 2001.

•  B.M. Wilamowski, E.S. Ferre-Pikal, O. Kaynak, "Low Power, Current Mode CMOS Circuits for Synthesis of Arbitrary Nonlinear Functions," accepted for presentation in the 9th NASA Symp. VLSI Design, New Mexico, 2000.

• S. Romisch, J. Kitching, E. Ferre-Pikal, L. Hollberg, and F.L. Walls, "Performance Evaluation of an Optoelectronic Oscillator," IEEE Trans. Ultrason. Ferroelect. Freq. Control, vol. 47, no. 5, pp. 1159-1165, September 2000.

• E.S. Ferre-Pikal and F.L.Walls, "Frequency Standards - Characterization," Wiley Encyclopedia for Electrical and Electronic Engineers, vol. 7, pp. 767-775, 1999.

•  F.L. Walls and E.S. Ferre-Pikal, "Specification and Measurement of Frequency, Phase Noise, and Amplitude Noise," Wiley Encyclopedia of Electrical and Electronic Engineers, vol. 12, pp. 459-473, 1999.

• H. Ascarrunz, F.L. Walls, E.S. Ferre-Pikal, D. Tsarapkin, and J. Vig, "Experimental Studies of Noise in a Dual Mode Oscillator," 1999 Joint Meeting European Freq. Time Forum/IEEE Freq. Control Symp., pp. 1163-1167, 1999.

• E.S. Ferre-Pikal and F.L. Walls, "Microwave Regenerative Frequency Dividers with Low Phase Noise," IEEE Trans. Ultrason. Ferroelect. Freq. Control., January 1999.

• E.S. Ferre-Pikal and F.L. Walls, "Voltage Adjustable Attenuation with Low 1/f Noise," Proc. 1998 IEEE Int. Freq. Control Symp., May 1998, pp. 186-191.

• J. Li, E.S. Ferre-Pikal, F.L. Walls, D. Forbes, and S.H. Talisa, "Predicting 1/f AM and PM Noise in Si BJT Amplifiers," Proc. 1998 IEEE Int. Freq. Control Symp., May 1998, pp. 204-209.

• H.D. Ascarrunz, A. Zhang, E.S. Ferre-Pikal, and F.L. Walls, "PM Noise Generated by Noise Components," Proc. 1998 IEEE Int. Freq. Control Symp., May 1998, pp. 210-217.

• E.S. Ferre-Pikal, J.R. Vig, J.C. Camparo, L.S. Cutler, L. Maleki, W.J. Riley, S.R. Stein, C. Thomas, F.L. Walls, and J.D. White, "Draft Revision of IEEE Std. 1139-1988 Standard Definitions of Physical Quantities for Fundamental Frequency and Time Metrology - Random Instabilities," Proc. 1997 IEEE Intl. Freq. Control Symp., May 1997, pp. 470-477.

• E.S. Ferre-Pikal and F.L. Walls, "Low PM Noise Regenerative Dividers," Proc. 1997 IEEE Int. Freq. Control Symp., May 1997, pp. 478-484.

• M.C. Delgado Aramburo, E.S. Ferre-Pikal, F.L. Walls, and H.D. Ascarrunz, "Comparison of 1/f PM Noise in Commercial Amplifiers," Proc. 1997 IEEE Int. Freq. Control Symp., May 1997, pp. 470-477.

• J.F. Garcia Nava, E.S. Ferre-Pikal, and F.L. Walls, "Noise Model for Frequency Translators and Transposed-Gain Amplifiers," Proc. 1997 IEEE Intl. Freq. >ontrol Symp., May 1997, pp. 433-437.

• F.L. Walls, E.S. Ferre-Pikal, and S.R. Jefferts, "Origin of 1/f PM and AM Noise in Bipolar Junction Transistor Amplifiers," IEEE Trans. Ultrason. Ferroelect. Freq. Control, March 1997.

• E.S. Ferre-Pikal, F.L. Walls, and C.W. Nelson, "Guidelines for Designing BJT Amplifiers with Low 1/f AM and PM Noise," IEEE Trans. Ultrason. Ferroelect. Freq. Control, March 1997.

• E.S. Ferre-Pikal and F.L. Walls, "A Comparison of Up-converted PM and AM Noise in Bipolar Junction Transistor Amplifier Configurations," Proc. 11th European Freq. Time Forum, March 1997, pp. 350-354.

• E.S. Ferre-Pikal, F.L. Walls, J.R. Vig, J.F. Garcia Nava, "Experimental Studies on Flicker Noise in Quartz Crystal Resonators as a Function of Electrode Volume, Drive Current, Type of Quartz, and Fabrication Process," Proc. 1996 IEEE Intl. Freq. Control Symp., June 1996, pp. 839-843.

• E.S. Ferre-Pikal, F.L. Walls, and J.F. Garcia Nava, "Relationship Between Amplitude and Resonant Frequency in Quartz Crystal Resonators," Proc. European Freq. Time Forum, UK, 1996.

• F.L. Walls, E.S. Ferre-Pikal, and S.R. Jefferts, "Reducing the 1/f AM and PM Noise in Electronics for Precision Frequency Metrology," Proc. 5th Symp. on Freq. Standards and Metrology, Oct. 1995, pp. 480-481.

• E.S. Ferre, L.M. Nelson, F.G. Ascarrunz, and F.L. Walls, "Relationship of AM to PM Noise in Selected Microwave Amplifiers, RF Oscillators, and Microwave Oscillators," Proc. Conf. Noise Physical Systems and 1/f Fluctuations, 1993, pp. 611-614.

• F.G. Ascarrunz, E.S. Ferre, and F.L. Walls, "Investigations of AM and PM Noise in X-Band Devices, Proc. 1993 Intl. Freq. Control Symp., June 1993, pp. 303-311.