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A simple line coupler with adaptive impedance matching for Power line Communication

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2 Author(s)
Won-ho Choi ; Department of the electrical and electronic engineering, Kangwon National University, South Korea. E-mail: ; Chong-yen Park

This paper presents a simple line coupler with adaptive impedance matching between the output impedance of the amplifier for signaling and the access impedance of the power line. The proposed line coupler that is suitable for amplitude shift keying (ASK) or phase shift keying (PSK) modems at the CENELEC B,C and D bands provides the simple structure and simple control. In this paper, the method that control variable components of the line coupler is used. In order to verify the effect of the proposed circuit, the experiment in the test-bed and the laboratory is performed in time and frequency domain. Values of capacitors in the capacitor bank arc determined by experimental results.

Published in:

2007 IEEE International Symposium on Power Line Communications and Its Applications

Date of Conference:

26-28 March 2007