Millimeter-Wave Electronics Group
Queen's University at Kingston
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Journal Papers
  1. Ian Goode and C. E. Saavedra, "Millimeter-Wave Beam-Steering Antenna using a Fluidically Reconfigurable Lens," IEEE Transactions on Antennas and Propagation, in press.

  2. H. Banting and C. E. Saavedra, "Dielectric Spectroscopy of Fluids and Polymers for Microwave Microfluidic Circuits and Antennas," IEEE Transactions on Microwave Theory and Techniques, in press.

  3. A. Singh and C. E. Saavedra, "A Wide-Bandwidth Inverted-F stub fed Hybrid Loop Antenna for 5G Sub-6 GHz Massive MIMO Enabled Handsets," IET Microwaves, Antennas & Propagation, vol. 14, no. 7. pp. 677-683, 2020.

  4. A. Arbelaez, J. L. Olvera, A. Corona-Chavez and C. E. Saavedra, "Compact closed-loop resonator filters with wide spurious free band and extended common-mode noise suppression,"
    IET Microwaves, Antennas & Propagation, in press.

  5. A. Arbelaez-Nieto, I. J. Goode, J. Gomez-Cruz, C. Escobedo and C. E. Saavedra, "Liquid Metal Reconfigurable Patch Antenna for Linear, RH and LH Circular Polarization with Frequency Tuning," IEEE Canadian Journal of Electrical and Computer Engineering, vol. 43, no. 4, pp. 218-223, 2020.

  6. Ian Goode and C. E. Saavedra, "Ultra Wideband Fluidically Steered Antipodal Vivaldi Antenna Array," Microwave and Optical Technology Letters, pp. 1-7, 2020. (pdf file)

  7. Aditya Singh and C. E. Saavedra,"Fluidically Reconfigurable MIMO Antenna with Pattern Diversity for Sub-6-GHz 5G Relay Node Applications," IEEE Canadian Journal of Electrical and Computer Engineering, vol. 43, no. 2, pp. 92-99, 2020. (pdf file)

  8. Aditya Singh, Ian Goode and C. E. Saavedra, "A Multistate Frequency Reconfigurable Monopole Antenna using Fluidic Channels," IEEE Antennas and Wireless Propagation Letters, vol. 18, no. 5, pp. 856-860, 2019. (pdf file)

  9. M. D. Brown and C. E. Saavedra, "Tunable Branchline Coupler Using Microfluidic Channels," IEEE Microwave and Wireless Components Letters, , vol. 29, no. 3, pp. 207-209, 2019. (pdf file)

  10. Hao Li and C. E. Saavedra, "Linearization of Active Downconversion Mixers at the IF using Feedforward Cancellation," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 4, pp. 1620-1631, 2019. (pdf file)

  11. F. D. Baumgratz, C. E. Saavedra, M. Steyaert, F. Tavernier, S. Bampi, "A Wideband Low-Noise Variable-Gain Amplifier with a 3.4 dB NF and up to 45 dB gain tuning range in 130 nm CMOS," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 7, pp. 1104-1108, 2019. (pdf file)

  12. Hao Li, A. M. El-Gabaly and C. E. Saavedra, "A Low-Power Low-Noise Decade Bandwidth Switched Capacitor Transconductor Mixer with AC-Coupled LO Buffers," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 65, no. 2, pp. 510-521, 2018. (pdf file)

  13. S. E. Whitehall and C. E. Saavedra, "A Compact 640 uW FM Ultra-Wideband Transmitter,'' IET Circuits, Devices and Systems, vol. 12, no. 3, pp. 226-232, 2018. (pdf file)

  14. S. E. Whitehall and C. E. Saavedra, "Low Power Low Data Rate FM-UWB Receiver Front End,'' IET Circuits, Devices and Systems, vol. 12, no. 4, pp. 335-550, 2018. (pdf file)

  15. F. D. Baumgratz, H. Li, F. Tavernier, S. Bampi and C. E. Saavedra, "A 0.4-3.3 GHz Low-Noise Variable Gain Amplifier with 35 dB tuning range, 4.9 dB NF, and 40 dBm IIP2'', Analog Integrated Circuits and Signal Processing, vol. 94, no. 1, pp. 9-17, 2018. (pdf file)

  16. D. del Rio, I. Gurutzeaga, A. Rezola, J. F. Sevillano, I. Velez, S. Gunnarson, N. Tamir, C. E. Saavedra, J. L. Gonzalez-Jimenez, A. Siligaris, C. Dehos, R. Berenguer, "A Wideband and High-Linearity E-Band Transmitter Integrated in a 55 nm SiGe Technology for Backhaul Point-to-Point 10 Gbps Links'', IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 8, 2990-3001, 2017. (pdf file)

  17. A. Arbelaez-Nieto, A. Corona-Chavez, J. L. Olvera-Cervantes and C. E. Saavedra, "Balanced Liquid Metal Reconfigurable Microstrip Filter," Journal of Electromagnetic Waves and Applications, vol. 31, no. 14, pp. 1453-1466, 2017. (pdf file)

  18. S. Whitehall and C. E. Saavedra, "1.5 uW Wake-Up-Receiver for Biotelemetry Applications," Microwave and Optical Technology Letters, vol. 59, no. 11, pp. 2884-2990, 2017. (pdf file)

  19. M. Mohsenpour and C. E. Saavedra, "Method to Improve the Linearity of Active Commutating Mixers using Dynamic Current Injection," IEEE Transactions on Microwave Theory and Techniques, vol. 64, no. 12, pp. 4624-4631, Dec. 2016. (pdf file)

  20. M. Mohsenpour and C. E. Saavedra, "Variable 360 Phase Shifter with Coarse and Fine Vector-Scaling," IEEE Transactions on Microwave Theory and Techniques, vol. 64, no. 7, pp. 2113-2120, 2016. (pdf file)

  21. S. Mondal, J. Xu and C. E. Saavedra, "Digitally assisted CMOS mixer with tight conversion-gain flatness," Electronics Letters, vol. 51, no. 25, pp. 2119-2121, 2015. (pdf file)

  22. F. Jiang and C. E. Saavedra, "Co-Design of Mixer-VGA Downconverter Blocks," IEEE Canadian Journal of Electrical and Computer Engineering, vol. 38, no. 3, pp. 199-203, 2015. (pdf file)

  23. A. Corona-Chavez, J. L. Olvera-Cervantes, C. E. Saavedra "Balanced filter with parallel resonances for very wide band common-mode rejection," Journal of Electromagnetic Waves and Applications, vol. 29, No. 8, pp. 1060-1067, 2015. (pdf file)

  24. A. M. El-Gabaly and C. E. Saavedra, "A 3-10 GHz 13 pJ/pulse Dual BPSK/QPSK Pulse Modulator Based on Harmonic Injection Locking," IEEE Transactions on Microwave Theory and Techniques, vol. 62, no. 12, pp. 3476-3484, 2014. (pdf file)

  25. D. Stewart and C. E. Saavedra, "Extending the  bandwidth of a low-noise amplifier through digital assist," Electronics Letters, vol. 50, no. 7, pp. 528-530, 2014. (pdf file)

  26. A. M. El-Gabaly, D. Stewart and C. E. Saavedra, "2-Watt Broadband GaN Power Amplifier RFIC using the fT Doubling Technique and Digitally-Assisted Distortion Cancellation'', IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 1, pp. 525-532, 2013. (pdf file)

  27. Shan He and C. E. Saavedra, "Design of a Low-Voltage and Low-Distortion Mixer Through Volterra Series Analysis", IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 1. pp. 177-184, 2013. (pdf file)

  28. Wen Li and C. E. Saavedra, "A Stand-Alone Distortion-Cancelling Cell for Microwave Amplifiers", IEEE Microwave and Wireless Components Letters, vol. 23, no. 4, pp. 205-207, 2013. (pdf file)

  29. C. E. Saavedra, B. R. Jackson and S. S. K. Ho, "Self-Oscillating Mixers", IEEE Microwave Magazine, vol. 14, no. 6, pp. 40-49, 2013. (pdf file)

  30. M. Donelli, C. E. Saavedra and M. Rukanuzzaman, "A Methodology for the Design of Microwave Systems and Circuits using an Evolutionary Algorithm," Progress in Electromagnetics Research Letters, vol. 31, pp. 129-141, 2013. (pdf file)

  31. M. Donelli, C. E. Saavedra and M. Rukanuzzaman, "Design and Optimization of a Broadband X-Band Bidirectional Amplifier", Microwave and Optical Technology Letters, vol. 55, no. 8, pp. 1730-1735, 2013. (pdf file)

  32. A. M. El-Gabaly and C. E. Saavedra, "An Energy-Efficient Tunable Pulse Generator for 3.1–10.6 GHz UWB Applications Using a Variable Attenuator for Pulse Shaping",  International Journal of Circuit Theory and Applications (Wiley), vol. 41, no. 2, pp. 150-167, 2013. (pdf file)

  33. Shan He and C. E. Saavedra, "An Ultra-Low-Voltage and Low-Power x2 Subharmonic Downconverter Mixer", IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 2, pp. 311-317, 2012. (pdf file)

  34. Shan He, N. Akel and C. E. Saavedra, "Active Quasi-Circulator with High Port-to-Port Isolation", Electronics Letters, vol. 48, no. 14, pp. 848-850, 2012. (pdf file)

  35. J. Xu, C. E. Saavedra, G. Chen, "A Multi-Mode QAM Direct-Digital Modulator Based on Current Vector Sum", Acta Electronica Sinica, vol. 40, no. 1, pp. 40-46, 2012.

  36. A. M. El-Gabaly and C. E. Saavedra, "Broadband Low Noise Amplifier with Fast Power Switching for 3.1–10.6 GHz Ultra-Wideband Applications", IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 12, pp. 3146-3153, 2011. (pdf file)

  37. A. M. El-Gabaly and C. E. Saavedra, "A Quadrature  Pulse Generator for Short-Range UWB Vehicular Radar Applications using a Pulsed Oscillator and a Variable Attenuator", IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 58, no. 10, pp. 2285-2295, 2011. (pdf file)

  38. Stanley S. K. Ho and C. E. Saavedra, "A Low-Noise Self-Oscillating Mixer using a Balanced VCO Load", IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 58, no. 8, pp. 1705-1712, August 2011. (pdf file)

  39. J. Xu, C. E. Saavedra and G. Chen, "An Active Inductor-Based VCO with Wide Tuning Range and High DC-to-RF Power Effciency", IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 58, no. 8, pp. 462-466, August 2011.  (pdf file)

  40. J. Xu, C. E. Saavedra and G. Chen, "A 12 GHz-Bandwidth CMOS Mixer with Variable Conversion Gain Capability", IEEE Microw. Wireless Comp. Lett., vol. 21, no. 10, pp. 565-567, 2011. (pdf file)

  41. J. Xu, C. E. Saavedra and G. Chen, "A CMOS wideband front-end chip using direct RF sampling mixer with embedded discrete-time filtering," Journal of Semiconductors, vol. 32, no. 8, pp. 1-8, Aug. 2011. (pdf file)

  42. Stanley S. K. Ho and C. E. Saavedra, "A 5.4 GHz Fully Integrated Low-Noise Mixer", Journal of Integrated Circuits and Systems, Invited Paper, vol. 6, no. 1, pp. 18-24, 2011. (pdf file)

  43. M. Wang and C. E. Saavedra, "Very Low Frequency Tunable Signal Generator for Neural and Cardiac Cell Stimulation", International Journal of Electronics (Taylor & Francis),  vol. 98, no. 9, pp. 1215-1227, Sept. 2011. (pdf file

  44. A. M. El-Gabaly and C. E. Saavedra, "Wideband Variable Gain Amplifier with Noise Cancellation", Electronics Letters, Vol. 47, No. 2, pp. 116-117, January 2011.  (pdf file)

  45. Stanley S. K. Ho and C. E. Saavedra, "A CMOS Broadband Low-Noise Mixer with Noise Cancellation" IEEE Transactions on Microwave Theory and Techniques, Vol. 58,  No.5, pp. 1126-1132, May 2010.   (pdf file)

  46. Zhiyu Ru, E. Klumperink, C. E. Saavedra, and B. Nauta, "A Tunable 300-800 MHz RF-Sampling Receiver Achieving 60 dB Harmonic Rejection and 0.8 dB Minimum NF in 65 nm CMOS," IEEE Journal of Solid-State Circuits, Vol. 45, No. 5, pp. 967-978, May 2010. (pdf file)

  47. B. R. Jackson and C. E. Saavedra, "A Dual-Band Self-Oscillating Mixer for C-Band and X-Band Applications," IEEE Transactions on Microwave Theory and Techniques, Vol. 58, No. 2, pp. 318-323, 2010.  (pdf file)

  48. C. E. Saavedra and Stanley Ho, "Optical Quasi-Circulator using Power Couplers and Optical Amplifiers,"  IEEE Photonics Technology Letters, Vol. 22, No. 9, pp. 604-606, May 2010.  (pdf file)

  49. You Zheng and C. E. Saavedra, "Full 360º Vector-Sum Phase Shifter for Microwave System Applications," IEEE Transactions on Circuits and Systems I: Regular Papers, Vol. 57, No. 4, pp. 752-758, April 2010.  (pdf file)

  50. Gideon Yong and C. E. Saavedra, "A Wideband Quadrature Generator IC using a Varactor-Compensated Feedback Network," Analog Integrated Circuits and Signal Processing, Vol. 63, No. 2, pp. 161-167, 2010.  (pdf file)

  51. You Zheng and C. E. Saavedra, "Frequency Response Comparison of Two Active Inductor Topologies," Progress in Electromagnetics Research Letters, Vol. 13, pp. 113-119, 2010. (pdf file)

  52. You Zheng and C. E. Saavedra, "A Variable Gain Amplifier using a Very High-Speed OTA," Microwave and Optical Technology Letters, Vol. 52, No. 5, pp. 1112-1116, 2010.  (pdf file)

  53. B. R. Jackson, F. Mazzilli and C. E. Saavedra, "A Frequency Tripler using a Subharmonic Mixer and Fundamental Cancellation," IEEE Transactions on Microwave Theory and Techniques, Vol. 57, No. 5, pp. 1083-1090, May 2009.  (pdf file)

  54. You Zheng and C. E. Saavedra, "Active Quasi-Circulator MMIC using OTA's"  IEEE Microwave and Wireless Components Letters, Vol. 19, No. 4, pp. 218-220, April 2009.  (pdf file)

  55. A. M. El-Gabaly and C. E. Saavedra, "Compact Low-Power 2.4 GHz QPSK Modulator in CMOS," Microwave and Optical Technology Letters, Vol.51, No. 5, pp. 1344-1348, May 2009.  (pdf file)

  56. You Zheng and C. E. Saavedra, "Feedforward-Regulated Cascode OTA for Gigahertz Applications," IEEE Trans. Circuits and Systems I: Regular Papers, Vol. 55, No. 12, pp. 3373-3382, 2008.  (pdf file)

  57. B. R. Jackson and C. E. Saavedra, "A CMOS Ku Band 4x Subharmonic Mixer," IEEE Journal of Solid-State Circuits, Vol. 43, No. 6, pp. 1351-1359, June 2008.  (pdf file)

  58. You Zheng and C. E. Saavedra, "An Ultra-Compact CMOS Variable Phase Shifter for 2.4 GHz ISM Applications,"  IEEE Transactions on Microwave Theory and Techniques, Vol. 56, No. 6, pp. 1349-1354, June 2008.  (pdf file)

  59. You Zheng and C. E. Saavedra, "Ultra-Compact MMIC Active Bandpass Filter with a Wide Tuning Range," Electronics Letters, Vol. 44, No. 6, pp. 424-425, March 2008.  (pdf file)

  60. You Zheng and C. E. Saavedra, "A Broadband CMOS Frequency Tripler using a Third-Harmonic Enhanced Technique," IEEE Journal of Solid-State Circuits, Vol. 42, No. 10, pp. 2197-2203, 2007.  (pdf file)

  61. C. E. Saavedra and You Zheng, "Active Quasi-Circulator Realization with Gain Elements and Slow-Wave Couplers," IET Microwaves, Antennas and Propagation, Vol. 1, No. 5, pp. 1020-1023, 2007. (pdf file)

  62. C. E. Saavedra, "Microstrip Multiplexer with Compact In-Line Feed Structure," Microwave and Optical Technology Letters, Vol. 49, No. 12, pp. 3128-3130, 2007.  (pdf file)

  63. B. R. Jackson and C. E. Saavedra, "A CMOS Subharmonic Mixer with Input and Output Active Baluns," Microwave and Optical Technology Letters, Vol. 48, No. 12, pp. 2472-2478, 2006. (pdf file)

  64. C. E. Saavedra and B. R. Jackson, "Voltage-Variable Attenuator MMIC using Phase Cancellation," IEE Proceedings Circuits, Devices, and Systems, Vol. 153, No. 5, pp. 442-446, October 2006. (pdf file)

  65. C. E. Saavedra and You Zheng, “Ring-Hybrid Microwave Voltage-Variable Attenuator using HFET Transistors,”  IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 7, pp. 2430-2434, July 2005.  (pdf file)

  66. C. E. Saavedra, “A Microwave Frequency Divider using an Inverter Ring and Transmission Gates,” IEEE Microwave and Wireless Components Letters, Vol. 15, No. 5, pp. 330-332, May 2005.  (pdf file)

  67. B. R. Jackson and C. E. Saavedra, “2.4 GHz Direct-Digital Binary Phase Shift Keying Modulator using a MEMS Switch,” Electronics Letters, Vol. 40, No. 24, pp. 1539-1540, Nov. 2004. (pdf file)

  68. Joseph Fraresso and C.E. Saavedra, “Narrowband Bandpass Filter Exhibiting Harmonic Suppression,” Electronics Letters, Vol. 39, No. 16, pp. 1189-1190, August 2003. (pdf file)

  69. C. E. Saavedra, “A Microstrip Ring Resonator using Quarter Wave Couplers,” Electronics Letters, Vol. 37, No. 11, pp.694-695, May 2001. (pdf file)

  70. C. E. Saavedra, W. Wright, and R. C. Compton, “A Circuit, Waveguide, and Spatial Power Combiner for Millimeter-Wave Amplification,” IEEE Transactions on Microwave Theory and Techniques, Vol. 47, pp. 605-613, May 1999. (pdf file)

  71. C. E. Saavedra, W. Wright, K. Y. Hur, and R. C. Compton, “A Millimeter-Wave Quasi-Optical Amplifier Array using Inclined-Plane Horn Antennas,” IEEE Microwave and Guided Wave Letters, Vol. 8, pp. 81-83, February 1998. (pdf file)

Papers in Refereed Conference Proceedings
  1. M. Brown and C. E. Saavedra, "Reconfigurable Substrate Integrated Waveguide Circuits using Dielectric Fluids," European Microwave Conference, Utrecht, Netherlands, Jan. 2021.

  2. Hayden Banting and C. E. Saavedra, "Aperture-Coupled Liquid Metal Tunable Dipole,"
    IEEE Antennas and Propagation Symposium, Montreal, Canada, July 2020.

  3. Ian Goode and C. E. Saavedra, "20-23 GHz Antenna with Tri-State Output Beam-Steering using Fluidic Lens," IEEE Antennas and Propagation Symposium, Montreal, Canada, July 2020.

  4. A. Arbelaez, A. Singh and C. E. Saavedra, "Frequency Tuning of Annular Slot Antenna using Liquid Metal Overlay Line," IEEE Antennas and Propagation Symposium, Montreal, Canada, July 2020.

  5. Aditya Singh and C. E. Saavedra, "Four-Element Polarization-Reconfigurable MIMO Antenna using Fluidics," IEEE Antennas and Propagation Symposium, Montreal, Canada, July 2020.

  6. G. Dragos, B. R. Jackson and C. E. Saavedra, "Millimeter-Wave Metallic Bull's-Eye Antenna with Wideband Broadside Radiation Characteristics," IEEE Antennas and Propagation Symposium, Atlanta, USA, 2019. (pdf file)

  7. M. Abdallah and C. E. Saavedra, ``Fluidically-Tuned Reflection Oscillator at C-Band,'' Int.. Symp.  Antenna Technol. Applied Electromag. (ANTEM), Waterloo, Canada, Aug. 2018. (pdf file)

  8. A. Singh and C. E. Saavedra, ``A Frequency-Reconfigurable Water-Loaded Planar Monopole Antenna,'' Int.. Symp. Antenna Technol. Applied Electromag. (ANTEM), Waterloo, Canada, Aug. 2018. (pdf file)

  9. M. Brown, I. Goode and C. E. Saavedra, "Lumped-Element Circuit Modeling of Microfluidic Channels in Microstrip Transmission Lines," IEEE NEWCAS Conference, Montreal, Canada, June 2018. (pdf file)

  10. Lin Wang and C. E. Saavedra, "28-31 GHz Bi-Directional Amplifier for 5G Wireless Repeaters," IEEE Int. Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Montreal, Canada, Oct. 2017. (pdf file)

  11. Ian Goode and C. E. Saavedra, "A Four Element Phased Patch Antenna Array Using Fluidic Phase Shifter,'' URSI General Assembly and Scientific Symposium, Montreal, Canada, August 2017. (pdf file)

  12. E. Merkley, B. R. Jackson, C. E. Saavedra and Y. M. M. Antar, "Wideband Switched Beam Antenna Array using Cavity-Backed Monopole Elements'', URSI General Assembly and Scientific Symposium, Montreal, Canada, August 2017. (pdf file)

  13. E. Merkley, B. R. Jackson, C. E. Saavedra and Y. M. M. Antar, "A Compact Cavity-Backed Monopole Antenna For UWB Applications,'' IEEE Antennas and Propagation Symposium, San Diego, California, July 2017. (pdf file)

  14. H. Li, X. Yang and C. E. Saavedra, "A Feedforward Linearization Technique Implemented in IF Band for Active Down-Conversion Mixers,'' IEEE RFIC Symposium, Honolulu, Hawaii, June 2017. (pdf file)

  15. M. Mohsenpour and C. E. Saavedra, "Highly Linear Reconfigurable Mixer Designed for Environment-Aware Receiver,'' IEEE ISCAS, Baltimore, Maryland, May 2017. (pdf file)

  16. A. Arbelaez-Nieto, A. Corona-Chavez, J. L. Olvera-Cervantes, C. E. Saavedra, "Active CMOS Differential Filter with +3.5 dBm IP1dB and +12.3 dBm IIP3 ", IEEE Latin American Microwave Conference, Puerto Vallarta, Mexico, December 2016. (pdf file)

  17. A. M. El-Gabaly, H. Li and C. E. Saavedra, "A Decade-Bandwidth Low-Noise Mixer RFIC with a Distortion-Cancelling Output Amplifier", Invited Paper, IEEE Symposium on Radio Frequency Integration (RFIT), Taipei, Taiwan, 2016. (pdf file)

  18. M. Mohsenpour and C. E. Saavedra, "Method to Improve the Linearity of Active Commutating Mixers using Dynamic Current Injection", IEEE International Microwave Symposium, San Francisco, California, pp. 1-4, May 2016. (pdf file)

  19. A. P. Freundorfer, J. Chan and C. E. Saavedra, "A Compact 90 W Broadband Doherty Amplifier", accepted at the IEEE NEWCAS Conference, Vancouver, Canada, June 2016. (pdf file)

  20. H. Li and C. E. Saavedra, "Method to Improve Conversion-Gain Flatness of Transformer-Coupled Mixers," IEEE SiRF Conference, Austin, Texas, January 2016. (pdf file)

  21. D. Stewart and C. E. Saavedra, "A Linearity Enhancement Method for CMOS Mixers using Digital Assist," IEEE ICUWB, Montréal, Quebec, October 2015. (pdf file)
     
  22. F. Baumgratz, H. Li, S. Bampi and C. E. Saavedra, "Wideband Low Noise Variable Gain Amplifier," Symp. Integrated Circuits and Systems Design (SBCCI), Salvador, Brazil, 2015. (pdf file)

  23. C. E. Saavedra, D. del Rio and R. Berenguer, "68-73 GHz Common Base HBT Amplifier in 55 nm SiGe Technology," Global Symposium on Millimeter Waves, Montréal, Quebec, May 2015. (pdf file)

  24. A. M. El-Gabaly and C. E. Saavedra, "A +18 dBm Broadband Power Amplifier RFIC with Distortion Cancellation," IEEE SiRF Conference, San Diego, California, 2015. (pdf file)

  25. S. Mondal, J. Xu and C. E. Saavedra, "Multi-Scheme PSK and QAM Modulator through Vector Scaling and Summation," IEEE Int. Conf. on Electronics Circuits and Systems (ICECS), pp. 1-4, Marseille, France, 2014. (pdf file)

  26. F. Jiang and C. E. Saavedra, "CMOS Subharmonic Downconverter using an LNTA Front-End," IEEE ICECS, pp. 1-4, Marseille, France, 2014. (pdf file)

  27. A. M. El-Gabaly and C. E. Saavedra, "A 3-10 GHz pJ/pulse Dual BPSK/QPSK Pulse Modulator Based on Harmonic Injection Locking," IEEE International Microwave Symposium, p. 1-4, Tampa, FL, USA, 2014. (pdf file)

  28. S. E. Whitehall and C. E. Saavedra, "A Very High-Sensitivity CMOS Power Detector for High Data Rate Biotelemetry Applications", IEEE NEWCAS Conference, pp. 145-148, Trois-RiviÚres, QC, Canada, 2014. (pdf file)

  29. E. Torres-Rios and C. E. Saavedra, "A New Compact Nonlinear Improvement Model Methodology for GaN HEMT," IEEE LASCAS, pp. 1-4, Santiago, Chile, 2014. (pdf file)

  30. M. Wang, Shan He, C. E. Saavedra, "+14 dB Improvement in the IIP3 of a CMOS Active Mixer Through Distortion Cancellation", IEEE MTT-S International Wireless Symposium, Beijing, China, April 2013. (pdf file)

  31. A. M. El-Gabaly and C. E. Saavedra, "2-Watt Broadband GaN Power Amplifier RFIC using the fT Doubling Technique", IEEE International Microwave Symposium, pp.1-3, 2012. (pdf file)

  32. Shan He and C. E. Saavedra, "A Volterra-Series Approach for the Design of Low-Voltage CG-CS Active Baluns", IEEE International Conference on Ultra Wideband, Syracuse, NY, USA, pp. 168-172, 2012. (pdf file)

  33. Y. Zheng and C. E. Saavedra,  "4.0-5.5 GHz Tunable Power Splitter RFIC Using Active Inductors", IEEE ICECS, Seville, Spain, 2012. (pdf file)

  34. B. R. Jackson and C. E. Saavedra, "A Divide-by-Three Regenerative Frequency Divider using a Subharmonic Mixer", NORCHIP Conference,  Lund, Sweden, November 2011. (pdf file)

  35. J. Xu, C. E. Saavedra and G. Chen, "5.4 GHz Reconfigurable Quadrature Amplitude Modulator using Very High-Speed OTA's",  IEEE International Microwave Symposium, Baltimore, USA, June 2011.  (pdf file)

  36. M. Wang and C. E. Saavedra, "Reconfigurable Broadband Mixer with Variable Conversion Gain", IEEE International Microwave Symposium, Baltimore, USA, June 2011. (pdf file)

  37. M. Wang and C. E. Saavedra, "Fully Monolithic Single-Sideband Mixer with Sideband Selection" IEEE International Microwave Symposium, Baltimore, USA, June 2011. (pdf file)

  38. J. Xu, C. E. Saavedra and G. Chen, "Noise Analysis of the CG-CS low-noise transconductance amplifier", IEEE International Conference on Electron Devices and Solid-State Circuits, pp. 1-2, Hong Kong, Sept. 2011. (pdf file)
     
  39. A. M. El-Gabaly and C. E. Saavedra, "A 24 GHz Quadrature Pulsed Oscillator for Short-Range UWB Vehicular Radar Applications", IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1283-1286, Rio de Janeiro, Brazil, May 2011. (pdf file)

  40. Shan He and C. E. Saavedra, "A 19 - 26 GHz Balanced Amplifier in 130 nm CMOS Technology" IEEE Sarnoff Symposium, Princeton, New Jersey, May 2011. (pdf file)

  41. Stanley S. K. Ho and C. E. Saavedra, "A 5.4 GHz Fully Integrated Low-Noise Mixer", Symposium on Integrated Circuits and Systems Design (SBCCI), pp. 14-17, São Paulo, Brazil, September 2010.

  42. Jiangtao Xu, C. E. Saavedra, and G. Chen, "Wideband Microwave OTA with Tunable Transconductance using Feedforward Regulation and an Active Inductor Load", IEEE NEWCAS Conference, pp. 93-96, Montréal, Canada, June 2010. (pdf file)

  43. B. R. Jackson and C. E. Saavedra, "A CMOS Amplifier with Third-Order Intermodulation Distortion Cancellation", IEEE Topical Meeting on Silicon Monolithic Circuits in RF Systems (SiRF), pp. 217-220, San Diego, CA, 2009. (pdf file) Best Student Paper Award.

  44. G. Yong and C. E. Saavedra, "A Fully Integrated S-Band Vector Phase Shifter in CMOS Technology", IEEE Topical Meeting on Silicon Monolithic Circuits in RF Systems (SiRF), pp. 45-48, San Diego, California, 2009.  (pdf file)

  45. Z. Ru, E. Klumperink, C. E. Saavedra and B. Nauta, “A Tunable 300-800 MHz RF-Sampling Receiver Achieving 60 dB Harmonic Rejection and 0.8 dB Minimum NF in 65 nm CMOS,” IEEE RFIC Symposium, pp. 21-24, Boston, USA, June 2009.  (pdf file)

  46. S. S. K. Ho and C. E. Saavedra, “Frequency Doubler Employing Active Fundamental Cancellation,” IEEE Sarnoff Symposium, Princeton, New Jersey, USA, April 2009. (pdf file)

  47. G. S. K. Yong and C. E. Saavedra, “A Wideband Feedback Compensated Quadrature Generator,”  IEEE Sarnoff Symposium, Princeton, New Jersey, USA, April 2009. (pdf file)

  48. B. R. Jackson and C. E. Saavedra, “Variable MEMS Capacitors for Millimeter-Wave Integrated Circuit Filtering Applications,” XV IBERCHIP Workshop, pp. 467-470, Buenos Aires, Argentina, March 2009. 

  49. C. E. Saavedra and Wei Yang, “2 GHz Active Bandstop Filter using Operational Transconductance Amplifiers,” XV IBERCHIP Workshop, pp. 477-480, Buenos Aires, Argentina, March 2009. 

  50. A. M. El-Gabaly and C. E. Saavedra, "A Compact Tunable 5 GHz-Band Quadrature Downconverter with an integrated 90° Phase Shifter and Balun", URSI General Assembly, Paper Number: DP2.3 Chicago, USA, August 2008.

  51. A. M. El-Gabaly and C. E. Saavedra, "A Low-Voltage Fully Integrated 5 GHz Low Noise Amplifier in 0.18 μm CMOS", URSI General Assembly, Paper Number: DP1.8, Chicago, USA, August 2008.

  52. G. Yong and C. E. Saavedra, "A Compact Capacitor-Compensated Wideband Balun in CMOS Technology", Biennial Symposium on Communications, pp. 306-309, 2008. (pdf file)

  53. C. E. Saavedra, "Diplexer using a Circulator and Interchangeable Filters", IEEE Int. Caribbean Conf. Devices, Circuits, and Systems, Cancun, Mexico, April 2008. 

  54. You Zheng and C. E. Saavedra, "A Bipolar MMIC Frequency Tripler", IEEE Int. Caribbean Conf. Devices, Circuits, and Systems, Cancun, Mexico, April 2008. 

  55. B. R. Jackson and C. E. Saavedra, "A 3 GHz CMOS Quadrature Oscillator Using Active Superharmonic Coupling", European Microwave Conference, pp. 1109-1112, Munich, Germany, October 2007.  (pdf file)

  56. G. F. Perez-Sanchez, A. Morales-Acevedo, B. R. Jackson, and C. E. Saavedra, "Thin Film Bulk Acoustic Wave Resonators for their Application in Microwave Filters", IEEE Int. Conf. on Electrical and Electronics Eng., pp. 353-356, Mexico City, Mexico, 2007.

  57. A. M. El-Gabaly, B. R. Jackson, and C. E. Saavedra, "An L-Band Direct-Digital QPSK Modulator in CMOS", IEEE International Symposium on Signals, Systems, and Electronics (ISSSE), pp. 563-566, Montréal, Canada, July 2007. (pdf file)

  58. You Zheng and C. E. Saavedra, "Coherent BPSK Demodulator MMIC using an Anti-Parallel Synchronization Loop", IEEE RFIC Symposium, pp. 657-660, Honolulu, Hawaii, 2007.  (pdf file)

  59. You Zheng and C. E. Saavedra, "A Microwave OTA using a Feedforward-Regulated Cascade Topology", IEEE ISCAS, pp. 1887-1890, New Orleans, USA, May 2007.  (pdf file)

  60. B. R. Jackson, You Zheng and Carlos E. Saavedra, "A CMOS Direct-Digital BPSK Modulator using an Active Balun and Common-Gate Switches", IEEE ISCAS, pp. 2534-2537, New Orleans, USA, 2007.  (pdf file)

  61. C. E. Saavedra and You Zheng, "A BPSK Modulator using a Ring Hybrid and HFET Switches", Asia-Pacific Microwave Conference, pp. 1665-1668, Yokohama, Japan, December 2006. (pdf file)

  62. You Zheng and C. E. Saavedra, "Compact CMOS VCO using a Transistor for Frequency Control", ANTEM/URSI International Symposium on Antenna Technology and Applied Electromagnetics, pp. 115-118, Montréal, Canada, July 2006. (pdf file)

  63. B. R. Jackson and C. E. Saavedra, “Frequency Shift Keying (FSK) Modulator using a MEMS Switch,” XII IBERCHIP Workshop, pp. 234-237, San José, Costa Rica, March 2006.

  64. B. R. Jackson and C. E. Saavedra, “An L-Band Frequency Doubler using a Time-Delay Technique,” IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF), pp. 131-134, San Diego, California, USA, January 2006.  ()

  65. C. E. Saavedra, “Reconfigurable Bandpass Filter Structure using an SPDT MEMS Switch,” European Microwave Conference, pp. 557-560, Paris, France, October 2005.  (pdf file)

  66. C. E. Saavedra, A. Morales-Acevedo, B. R. Jackson, “Microwave Bandpass Filters using Zinc Oxide Resonator Membranes,” XIV International Materials Research Congress, Cancún, México, August 2005. (Abstract & Poster)

  67. You Zheng and C. E. Saavedra, “A Pulse-Width Modulator using a Phase-Locked Loop Variable Phase Shifter,” IEEE ISCAS, pp. 3639-3642, Kobe, Japan, May 2005. (pdf file)

  68. You Zheng and C. E Saavedra, “A BPSK Demodulator Circuit using an Anti-Parallel Synchronization Loop,” IEEE ISCAS, pp. 5433-5436, Kobe, Japan, May 2005.  (pdf file)

  69. Yang Zhang and C. E. Saavedra, “A Voltage-Variable Time Delay Element for Random Bit Waveforms,” IEEE ICCDCS, Punta Cana, Dom. Republic, pp. 183-187, November 2004.

  70. Yang Zhang and C. E. Saavedra, ”A Nonoverlapping Clock Generator Circuit using Bipolar Differential Pairs,” IEEE ICCDCS, Punta Cana, Dom. Republic, pp. 330-333, November 2004.

  71. A. Tan and C. E. Saavedra, “A Binary Phase Shift Keying Demodulator using Pulse Detection,” IEEE Int. Conf. Electrical and Electronics Eng., pp. 49-52, September 2004. (pdf file)

  72. You Zheng and C. E. Saavedra, “A 0 ° to 180 ° Variable Phase Shifter using Frequency Multiplication,” IEEE Int. Conf. Electrical and Electronics Eng., pp. 601-604, September 2004.

  73. C. E. Saavedra, “A Frequency Divider with Variable Division Ratio,” IEEE Int. Conf. Electrical and Electronics Eng., pp. 605-609, September 2004.

  74. C. E. Saavedra, “A Microwave Divide-by-Four Frequency Divider using an Inverter Ring,” 22nd Biennial Symposium on Communications, pp. 418-420, Kingston, Ontario, 2004.

  75. C. E. Saavedra and Yang Zhang, "A Clock Frequency Doubler using a Passive Integrator and Emitter-Coupled Comparator Circuit", IEEE Canadian Conf. on Electrical and Computer Eng. (CCECE), pp. 137-140, Niagara Falls, Canada, May 2004.

  76. Yang Zhang and C. E. Saavedra, "A Voltage-Variable Time Delay Element for Clock Waveforms", IEEE CCECE, pp. 551-554, Niagara Falls, Canada, May 2004.

  77. You Zheng and C. E. Saavedra, "A Bipolar Voltage Variable Attenuator for Radio Frequency Applications", IEEE CCECE, pp. 95-98, Niagara Falls, Canada, May 2004. 

  78. C. E. Saavedra, “Compact Low-Pass Filter using a Slow-Wave Structure,” IEEE Midwest Symposium on Circuits and Systems, Tulsa, Oklahoma, USA, August 2002. (pdf file)

  79. J. Sewter and C. E. Saavedra, “Microstrip Ring Resonator using Slow Wave Structure Exhibiting Harmonic Suppression,” International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, Canada, pp. 153-155, July 2002.  (pdf file)

  80. C. E. Saavedra, W. Wright, and R. C. Compton, “A passive horn structure with transitions to microstrip for quasi-optical amplifier arrays,” SPIE Proceedings, vol. 3465, pp. 373-382, San Diego, California, July 1998. (pdf file)

  81. C. E. Saavedra, M. J. Vaughan, and R. C. Compton, “An M-PSK Modulator for Quasi-Optical Wireless Array Applications,” IEEE International Microwave Symposium, pp. 1243-1246, 1996. (pdf file)

  82. M. Shur, B. Gelmont, C. Saavedra, and G. Kelner, “Potential of wide bandgap semiconductor devices for high-temperature applications,” Institute of Physics Conference, Ser. No. 137, pp. 465-470, 1993. (pdf file) 

Patents, Technical Reports, Book Chapters
  1. A. Corona-Chavez, J. L. Olvera-Cervantes, C. E. Saavedra, "Filtros Diferenciales de Microondas con Resonadores de Cuarto de Onda," Instituto Mexicano de la Propiedad Industrial, Patente #353981, 2018.

  2. M. Wahib, Y. M. M. Antar and C. E. Saavedra, "Design of a Miniaturized SoP Integrated GNSS RF Front-End Module,'' Technical Report, DRDC-RDDC-2017-C320, July 2018.

  3. C. E. Saavedra, "Frequency Multiplier Design Techniques and Applications" in CMOS Nanoelectronics, Edited by K. Iniewski, McGraw-Hill, pp. 163-184, 2011. (pdf file)

  4. C. E. Saavedra and You Zheng, "BPSK Demodulation Circuit using an Anti-Parallel Synchronization Loop," US Patent and Trademark Office, publication US20070058753A, 2007. (pdf file)

Selected Presentations

  • C. E. Saavedra, "Intermodulation Distortion Mitigation in Microwave Amplifiers and Frequency Converters," IEEE Solid-State Circuits Society Toronto Chapter, 30 January 2017. (pdf file)

  • C. E. Saavedra, "Ultra Wideband Operational Transconductance Amplifiers: Design Principles and Applications," joint IEEE IMaRC/APMC Workshop Presentation, New Delhi, 2016. (pdf file)

  •  C. E. Saavedra, "Noise Considerations in Microwave Operational Transconductance Amplifiers," IEEE International Microwave Symposium WMD Workshop, Tampla, FL, June 2014. (pdf file)

  • C. E. Saavedra, "Low-Noise Downconverters through Mixer-LNA Integration," IEEE International Microwave Symposium WMK Workshop, Montreal, Canada, June 2012. (pdf file)

  • C. E. Saavedra, "CMOS Subharmonic Mixers and Applications," IEEE International Microwave Symposium WME Workshop, Boston, MA, June 2009. (pdf file)

  • C. E. Saavedra, "Frequency Multipliers: Design Techniques and Applications," CMOS-ET Workshop, Vancouver, BC, 2009. (pdf file)

  • C. E. Saavedra, "Avances en Mezcladores: Circuitos Subharmonicos y sus Aplicaciones," IEEE Col. Workshop on Electron Devices and Circuits, Keynote talk, Bogota, Col., 2009. (pdf file)
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