The Effect of High Power at Microwave Frequencies on the Linearity of Non-Polar Dielectrics in Space RF component

Abstract

In satellite communication systems, there are high power multichannel transmitters and wideband receivers that have shared RF antenna transmission lines because of: 1) large power level difference between the transmitted and received signal; 2) limited frequency channels. The harmonics and Passive Intermodulation (PIM) Interference will be generated due to passive non-linearities in the high power transmission path. This can be a serious problem. This paper describes how to determine the signal levels and dominant mechanisms that are associated with non-linear dielectric behavior in this context. A novel measurement system for testing dielectric samples is described and measurement results are provided for commonly used microwave dielectrics.

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Khattab, T. (2015) The Effect of High Power at Microwave Frequencies on the Linearity of Non-Polar Dielectrics in Space RF component. International Journal of Communications, Network and System Sciences, 8, 11-18. doi: 10.4236/ijcns.2015.82002.

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1] Khattab, T. and Rawlins, A.D. (1996) Principle of Low PIM Hardware Design. 13th National Radio Science Conference, NRSC’96, Cairo, 19-21 March 1996, 355-362.
http://dx.doi.org/10.1109/NRSC.1996.551127
[2] Foord, A.P. and Rawlins, A.D. (1992) A Study of Passive Intermodulation Interference in Spce RF Hardware. ESA Report, University of Kent, Canterbury.
[3] Burfoot, J.C. and Taylor (1979) Polar Dielectrics and Their Applications. Macmillan Press, London.
[4] Landau, L.D. and Lifshitz, E.M. (1984) Electrodynamics of Continuous Media. Pregamon Press, Oxford.
[5] Stauss, G.H. (1980) Studies on the Reduction of Intrmodulation Generation in Communication Systems. NRL Memorandum Report 4233, 75-79.
[6] Smyth, C.P. (1995) Dielectric Behavior and Structure. McGraw-Hill, New York.
[7] Zheludev, I.S. (1971) Physics of Crystalline Dielectrcs, Volume 2, Electrical Properties. Plenum Press, New York.
[8] Bogoroditskii, N.P. and Pasynkov, V.V. (1968) Radio and Electronic Materials. Iliffe Books, London.
[9] Bottcher, C.J.F. (1973) Theory of Electric Polarization, Volume 1. Elsevier, Amsterdam, 318-323.
[10] Kumar, A. (1987) Passive IM Products Threaten High Power Satcom Systems. Microwave & RF, 26, 98-103.
[11] Nishikawa, T., Ishikawa, Y. and Hattori, J. (1988) Measurement Method of Intermodulation Distortion of Dielectric Resonator. Japanese Journal of Applied Physics, 39-45

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