Compact and wideband CPW wilkinson power dividers for GaN MMIC applications

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2018

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Abstract

This paper presents two types of modified CPW Wilkinson power dividers at X-band using GaN MMIC technology on a SiC substrate. Lumped element equivalents of the transmission line arms are used and they are capacitively loaded to achieve a reduced circuit size of lambda/14timeslambda/8. A symmetrical series RLC circuit in the isolation network is used to compensate for the bandwidth degradation after circuit miniaturization maintaining a fractional bandwidth of 29 % for input/output return losses and isolation better than 20 dB with an extra insertion loss less than 0.35 dB.

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2018 48th European Microwave Conference, EuMC 2018

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IEEE

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Published Version (Please cite this version)

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English