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Acar, M. and Annema, A.-J. and Nauta, B.
(2007)
Variable-Voltage Class-E Power Amplifiers.
In: The IEEE MTT-S International Microwave Symposium 2007 (IMS 2007), 03-08-June 2007, Hawaii, Honolulu.
.
2007 IEEE MTT-S International Microwave Symposium Digest, (IMS 2007.
IEEE Press.
ISSN 0149-645X
ISBN 1-4244-0688-9
Full text available as: Official URL: http://dx.doi.org/10.1109/MWSYM.2007.380284  AbstractAbstract—The Class-E power amplifier is widely used due
to its high efficiency, resulting from switching at zero voltage
and zero slope of the switch voltage. In this paper, we extend
general analytical solutions for the Class-E power amplifier to the
ideal single-ended Variable-Voltage Class-E (Class-EV V ) power
amplifier that switches at zero slope but not necessarily at zero
voltage.
The theory is verified by simulations and measurements, and
show that the peak switch voltage of Class-EV V power amplifier
is lower (up to ≈ 30% ) than in the conventional Class-E power
amplifier; which can be utilized to obtain e.g. higher output
power (up to ≈ 200% more) with lower power-added efficiency
(maximum ≈ 20% less) from technologies with low-breakdown
voltages.
Index Terms— Power amplifiers, switching amplifiers. | Item Type: | Conference or Workshop Paper (Full Paper, Talk) |
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| Research Group: | EWI-ICD: Integrated Circuit Design |
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| Research Program: | CTIT-WiSe: Wireless and Sensor Systems |
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| Research Project: | Reliable RF: Robust RF Power-Drivers in low-voltage CMOS technology |
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| ID Code: | 10002 |
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| Status: | Published |
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| Deposited On: | 22 October 2007 |
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| Refereed: | Yes |
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| International: | Yes |
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| More Information: | statisticsmetis |
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