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High efficiency low-voltage power amplifier design by second-harmonic manipulation

✍ Scribed by Paolo Colantonio; Franco Giannini; Giorgio Leuzzi; Ernesto Limiti

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
265 KB
Volume
10
Category
Article
ISSN
1096-4290

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✦ Synopsis

The effect of second-harmonic loading on power amplifiers operated with a low-voltage supply is investigated. Closed-form expressions and design formulas are derived, making use of a simplified device model. The correctness of the assumptions and the validity range of the derived expressions is then verified by means of a full nonlinear analysis method and model: sample low-voltage designs for a power stage are performed, demonstrating the potentials of the proposed methodology.

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