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Equivalent network modeling of slot coupled microstripline to waveguide transition

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3 Author(s)
Won Ho Kim ; Sch. of Electr. & Electron. Eng., Chung-Ang Univ., Seoul, South Korea ; Jong Woo Shin ; Jeong Phill Kim

An analysis method of slot-coupled microstripline to waveguide transition is presented to develop a simple but accurate equivalent circuit model. The equivalent circuit consists of an ideal transformer, microstrip open stub, and admittance element looking into a waveguide and a half space of feed side from a slot center. The related circuit element values are calculated by applying the reciprocity theorem, the Fourier transform and series representation, the complex power concept, and the spectral-domain immittance approach. The computed scattering parameters are compared with the measured, and good agreement validates the simplicity and accuracy of the proposed equivalent circuit model.

Published in:

Antennas and Propagation Society International Symposium, 2004. IEEE  (Volume:3 )

Date of Conference:

20-25 June 2004