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A novel SIW SPDT switch based on switchable HMSIW unit was proposed in this work. The concept of switchable HMSIW units with shorted and opened stubs were studied, investigated and compared, bandwidth enhancement method for switchable units was proposed and demonstrated. Based on these switchable units, HMSIW/SIW-based SPDT switch were designed, fabricated and measured. Measured results show that...
A new structure of unequal power divider with a power division ratio of 15 is proposed in this paper. The new guiding structures constructed by a composite line consisting of distributed and lumped elements can be applied to release the fabrication limitation of microstrip lines with high/extra low characteristic impedance, and then reduce the overall circuit area. For verifying the validity of the...
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