Abstract
The reason of the ATC antenna failure is mostly the mismatch of the ATC transponder output impedance with the ATC Antenna impedance. The mismatch causes the increasement of the Voltage Standing Wave Ratio (VSWR) and the severe low efficiency of the emission (receive), then the ATC/TCAS system cannot working normally. The on-wing test instrument of the ATC VSWR can accurately measure the ATC antenna performance without the removal of the ATC antenna. The recession performance of the ATC antenna can be found by the regular check with this instrument. So the ATC antenna performance can be kept in good condition by this preventive maintenance.
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References
Boeing B737/800 AMM34-53ATC system. http://www.myboeingfleet.com. Accessed 20 Sept 2012
Texas instruments (TI) hi-speed RMS detector. http://www.ti.com. Accessed 18 Sept 2012
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© 2014 Springer-Verlag Berlin Heidelberg
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Yin, Z. (2014). Aircraft ATC Antenna VSWR On-wing Tester. In: Wang, J. (eds) Proceedings of the First Symposium on Aviation Maintenance and Management-Volume I. Lecture Notes in Electrical Engineering, vol 296. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-54236-7_43
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DOI: https://doi.org/10.1007/978-3-642-54236-7_43
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