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Driver Topologies f...
Driver Topologies for RF Doherty Power Amplifiers
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- Saad, Paul, 1983 (författare)
- Telefonaktiebolaget L M Ericsson,Ericsson
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- Asghari, Zahra, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fager, Christian, 1974 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Mashad Nemati, Hossein, 1980 (författare)
- Telefonaktiebolaget L M Ericsson,Ericsson
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(creator_code:org_t)
- 2017
- 2017
- Engelska.
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Ingår i: IEEE Microwave and Wireless Components Letters. - 1558-1764 .- 1531-1309. ; 27:1, s. 67-69
- Relaterad länk:
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http://dx.doi.org/10...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this letter, class-B, embedded class-B, and Doherty driver topologies are investigated for RF Doherty Power Amplifiers (PAs). The investigation is firstly conducted theoretically and by simulations and then verified by design and implementation of the different topologies at 2.1 GHz using GaN-HEMT transistors. The results show that the highest lineup efficiency can be achieved when using a Doherty driver. Modulated measurements using the same LTE signal and the same digital per-distorter (DPD), show about 2% and 4% higher average lineup efficiency when the Doherty driver is used compared to the class-B and embedded class-B drivers, respectively.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- two-stage power amplifier
- Doherty power amplifier
- driver amplifier
- GaN-HEMT
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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