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Numerically efficient design of highly linear microwave power amplifiers

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4 Author(s)

A recently proposed approach for the prediction of power amplifier (PA) intermodulation distortion (IMD) on the hasis of single-tone Harmonic Balance simulations is used in this paper for the definition of a numerically efficient design procedure of highly linear microwave power amplifiers. In particular, it is shown how standard design goals on third or fifth order intermodulation products, usually involving timeconsuming two-tone HB analyses, are more simply hut with sufficient accuracy taken into account by means of faster single-tone HB analyses in the iterative design process. The proposed procedure is compared with standard approaches in the design case of single-transistor and multiple paralleled-transistors MMlC amplifiers, showing dramatic reductions in computation time.

Published in:

Microwave Conference, 2004. 34th European  (Volume:1 )

Date of Conference:

12-14 Oct. 2004