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The feasibility of multi-channel visible-light communication using an arrayed 470-nm micro-sized light-emitting-diode emitter, together with a matched fiber array bundle, is demonstrated by transmitting a 250-kHz square wave and a 500-kHz pulse signal in parallel.
An asymmetrically-loaded interdigital coupled line is proposed for design of wideband microstrip bandpass filters with good out-of- band performance. This interdigital coupled line with three fingers is formed by stretching one of two outer arms with one two-stage open-ended stub. Its characteristics are analysed in terms of admittance matrix to exhibit simultaneous emergence of extra transmission...
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