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Performance evaluation of low-voltage silicon and GaN power FETs is presented for chip-scale DC-DC power converter applications. The circuit calculations are based on an improved circuit model for the FET with accurate description of terminal capacitances and on-resistance. It is shown that GaN power FETs combined with silicon MOS power diodes can potentially lead to nearly 82% power conversion efficiency...
The extraction of accurate transistor models is essential for a reliable and efficient design of transmit/receive modules, which in turn is a keystone for the development of active electronically scanned array radars. The present paper is aimed at analysing the implementation of non-quasi-static effects for advanced millimeter-wave FET models. The non-quasi-static phenomena can be neglected at few...
GaN based devices offer many perspectives for power conversion applications. To demonstrate the capabilities of III-nitride components, we studied the switching behavior of a GaN DHFET device. We show that the combination of a low input capacitance, a low on-resistance and a high breakdown voltage is the key advantage for GaN components. Moreover the possibility to grow GaN on Si substrates allows...
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