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Prof JAG Malherbe (Jan)

Position 

  • Professor, Department of Electrical, Electronic and Computer Engineering
  • Vice Principal Emeritus
  • Email: jagm at up.ac.za

Qualifications

B.Sc., B.Eng., Ph.D. (Stell), D.Eng.(Pret)

Memberships

  • Life Fellow IEEE
  • Fellow SAIEE
  • Fellow SAAE
  • Fellow EMA
  • Member ASSAf

Professional Registration

Registered Professional Engineer, ECSA

Research

Electromagnetics: dielectric waveguides, Micowave circuits, antennas

Books

  • J.A.G. Malherbe, Microwave Transmission Line Filters, Artech House, Dedham, Mass., 1979. 
  • J.A.G. Malherbe, Microwave Transmission Line Couplers, Artech House, Norwood, Mass., 1988.
  • D.A. McNamara, C.W.I. Pistorius and J.A.G. Malherbe, An Introduction to the Uniform Geometrical Theory of Diffraction, Artech House, Norwood, Mass., 1990.
  • JAG Malherbe, “Lens antennas” in Encyclopedia of RF and Microwave Engineering, Kai Chang, Ed., John Wiley & Sons, Inc., New Jersey, 2005.

Graduate Courses

Introduction to Research EIN 732

Recent Journal Publications

  1. J.A.G. Malherbe, “Integrated Dielectric Wedge-Lens Antenna in a Nonradiative Mode”, Microwave and Optical Technology Letters, Vol. 45, No. 4, pp. 361-363, June 5, 2005.
  2. J. A. G. Malherbe and J. Joubert, “Simplified analytical solution of current and radiation pattern for thin dipoles”, Microwave and Optical Technology Letters, Vol. 48, No. 8, pp. 1483-1485, Aug 2006. 
  3. J.A.G. Malherbe and N.S. Barnes, “TEM horn antenna with an elliptic profile”, Microwave and Optical Technology Letters, Vol. 49, No. 7, pp. 1548-1551, July 2007.
  4. J.A.G. Malherbe and P.M. Malekela, “Dielectric wedge antenna with stepped phase correction in a nonradiative mode”, Microwave and Optical Technology Letters, Vol. 49, No. 8, pp. 2030-2032, Aug. 2007.
  5. J.A.G. Malherbe, “Extreme Performance TEM Horn”, Microwave and Optical Technology Letters, Vol. 50, No. 8, pp. 2121-2125, Aug. 2008.
  6. J.A.G. Malherbe, “Frequency-Independent Performance of Elliptic Profile TEM Horns”, Microwave and Optical Technology Letters, Vol. 51, No. 3, pp. 607-612, March 2009.
  7. E.S. Sithole and J.A.G. Malherbe, “Log Periodic Bandstop Filter”, Microwave and Optical Technology Letters, Vol. 51, No. 10, pp. 2418-2420, Oct. 2009.
  8. J.A.G. Malherbe and C. Reid, “Double Resonant Stub Bandstop Filter with Pseudo-Elliptic Response”, Electronics Letters, Vol. 46, No. 7, pp. 508-509, 1 April 2010.
  9. J.A.G. Malherbe and Y. Katcodia, “An Elliptically Flared Waveguide Horn”, Microwave and Optical Tehcnology Letters, Vol. 52, no. 9, pp. 2118-2120, Sept. 2010.
  10. J.A.G. Malherbe and A. Swiatko, “Modified Chebyshev Bandstop Filter with Transmission Zeros at Real Frequencies”, Microwave and Optical Tehcnology Letters, Vol. 53, No. 1, pp. 177-180, Jan. 2011 (Published online 22 November 2010).
  11. J.A.G. Malherbe, “Pseudo-Elliptic Bandpass Filter with Sub-Harmonic Stubs”, Electronics Letters, Vol. 47, No. 3, pp. 196 – 198, 3 Feb. 2011.
  12. J.A.G. Malherbe, “Wideband Bandstop filter with Sub-Harmonic Stubs”, Electronics Letters, Vol. 47, No. 10, pp. 604 – 605, 12 May 2011.
  13. J.A.G. Malherbe, “Hybrid Superelliptic Horn”, Microwave and Optical Tehcnology Letters, vol. 53, no. 11, pp. 2713 – 2716, Nov. 2011.
  14. J.A.G. Malherbe, “Pseudo-elliptic bandstop filter with 1:2:3 harmonic ratio stubs”, Electronics Letters, Vol. 49, No. 2, pp. 130-132, 12 Jan 2013.
  15. J.A.G. Malherbe, P.D. Luus, and J.C. Uys, “Transmission Line Filters With Harmonic Parallel Foster Sections”, Microwave and Optical Technology Letters, Vol. 55, No. 8, pp. 1724 – 1728, Aug. 2013.
  16. J.A.G. Malherbe and J.J. Louw, “Pseudo-Elliptic Function Bandstop Filter with Shunt Foster Sections”, Microwave And Optical Technology Letters, Vol. 55, No. 8, pp. 1758 – 1762, Aug. 2013.
  17. J.A.G. Malherbe and C. Mphiwe, “Bandpass Filter with Stepped Impedance Sub-Harmonic Stubs,” Microwave And Optical Technology Letters, vol. 56, no. 12, pp. 3012 – 3015, Dec. 2014.
  18. J.A.G. Malherbe, “An Asymmetrical Dual Band Bandpass Filter”, Microwave and Optical Technology Letters, vol. 59, no. 1, pp. 163 - 168, Jan. 2017.

Awards

  • The Bill Venter-prize Pro Libri Excellenti awarded for the book, An Introduction to the Uniform Geometrical Theory of Diffraction, D.A. McNamara, C.W.I. Pistorius and J.A.G. Malherbe, Artech House, Norwood, Mass., 1990.
  • Havenga Prize for Engineering, 1995
  • IEEE Third Millennium Medal, 2000
  • Awarded the University of Pretoria Commemorative Research Medal as one of the “Leading Minds 1908-2008”.

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