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The accuracy of well-known commercially available 3D electromagnetic simulation tools has been examined through designing, building, and testing several original microwave integrated circuits. It turns out that the accuracy of the tools considered is acceptable for most practical purposes, for frequencies up to 3 GHz (upper limit of our investigation).
This paper proposes two new multi-section dumbbell-shaped defected ground plane structures (DGS). The defects are created in the ground plane of the conventional single-layer microstrip transmission line. The proposed DGSpsilas application in microwave filtering is investigated. It turns out that these new DGSpsilas can be used to realize notch filters (i.e. narrow-band band-stop filters) with steep...
This paper provides a short review of radio frequency/microwave power amplifiers (PAs) and their critical role in a modern satellite communication system. Authorspsila original design contributions are also highlighted.
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