GaN microwave varactors with insulated electrodes

Autor:	Remis Gaska, J. Deng, Michael Shur, Grigory Simin, Mikhail Gaevski
Rok vydání:	2014
Předmět:	Materials science business.industry RF power amplifier Electrode Limiter Optoelectronics Schottky diode Low leakage Condensed Matter Physics business Varicap Microwave Leakage (electronics)
Zdroj:	physica status solidi c. 11:853-856
ISSN:	1610-1642 1862-6351
DOI:	10.1002/pssc.201300667
Popis:	We report on GaN microwave varactors with capacitively coupled isolated electrodes. Metal-insulator-semiconductor (MIS) varactors have 4–5 orders of magni-tude lower leakage currents than similar devices with Schottky contacts. Low leakage capacitively coupled contacts enable microwave switches and power limiters with low loss, high RF power and excellent temperature stability up to at least 200 °C. (© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Databáze:	OpenAIRE
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