Shunt-Connected Microstrip Radial Stubs (Short Paper)

Abstract
Radial-line stabs provide an interesting alternative to low-impedance conventional straight stubs.They are useful as filter elements in both series and shunt configurations. In this short paper, the planar circuit analysis previously performed for a series-connected radial stub is extended to the shunt configuration. Theoretical and experimental results are presented to verify the equivalent model for the shunt-connected radial stub.

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