Abstract

The present paper describes the design and development of wide band matched waveguide terminations for high power (< 100 Watt) and low power (< 10 watts) applications at Ku-band. The WR-62 rectangular waveguide, lossy Eccosorb dielectric material and metallic short has been used to realize the termination. Two configurations of waveguide terminations i.e. conical tapered and wedge tapered have been developed using lossy dielectric. The waveguide termination has been simulated on full wave ANSYS's High-Frequency Structure Simulator. The developed waveguide terminations have voltage standing wave ratio less than 1.25 over the 12.5 to 15.5 GHz frequency band of the antenna.

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