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A SiC Varactor With...
A SiC Varactor With Large Effective Tuning Range for Microwave Power Applications
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- Andersson, Christer M (författare)
- Microwave Electronics Laboratory, Chalmers University of Technology, Gothenburg
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- Ejebjörk, Niclas (författare)
- Microwave Electronics Laboratory, Chalmers University of Technology, Gothenburg
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- Henry, Anne (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Andersson, Sven (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Janzén, Erik (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Zirath, Herbert (författare)
- Microwave Electronics Laboratory, Chalmers University of Technology, Gothenburg
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- Rorsman, Niklas (författare)
- Microwave Electronics Laboratory, Chalmers University of Technology, Gothenburg
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(creator_code:org_t)
- IEEE Institute of Electrical and Electronics, 2011
- 2011
- Engelska.
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Ingår i: IEEE ELECTRON DEVICE LETTERS. - : IEEE Institute of Electrical and Electronics. - 0741-3106. ; 32:6, s. 788-790
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- SiC Schottky diode varactors have been fabricated for use in microwave power applications, specifically the dynamic load modulation of power amplifiers. A custom doping profile has been employed to spread the C(V) over a large bias voltage range, thereby increasing the effective tuning range under large voltage swing conditions. The small-signal tuning range is approximately six, and punch through is reached at a bias voltage of -60 V, while the breakdown voltage is on the order of -160 V. An interdigitated layout is utilized together with a self-aligned Schottky anode etch process to improve the Q-factor at 2 GHz, which is 20 at zero bias and approximately 160 at punch through.
Nyckelord
- Interdigitated
- load modulation
- power amplifiers (PAs)
- Schottky diodes
- self-aligned
- SiC
- tuning range
- varactors
- TECHNOLOGY
- TEKNIKVETENSKAP
Publikations- och innehållstyp
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- art (ämneskategori)
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