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Abstract
An approximate design analysis of a waveguide matched load with magnetic resistive sheets (rubber ferrites) for high power work has been attempted. Performance parameters of matched loads have been calculated numerically. Graphs of theoretical and experimental results relating VSWR and phase to frequency for two thicknesses reveal good agreement between theory and experiment showing validity of analysis. Graphs relating bandwidth Δf/fo to the angle of inclination, φ, of the inserted material at different VSWR's and at varying thicknesses have been plotted to facilitate easy design of matched loads in 3.0 to 5.6 GHz range.
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S. R. Ramasamy
RAMASAMY, S R: (b. 1940; Salem) Received BSc and DMIT degrees from Madras University and Madras Institute of Technology in 1959 and 1962 respectively. He is working in Defence Electronics Research Laboratory since 1962. He was a research student at Tokyo Institute of Technology, Japan, on Government of Japan Scholarship during 1968–1971. He has done work on UHF circuits, antennas, loss characteristics of ferrites, ferro-electric materials and wave-guide components. design and construction of microwave anechoic chambers. Presently interested in microwave antennas and GTD.