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A Calculation Method of Large-Signal Characteristics of Multi-Stage Power Amplifier Modules Using Source-Pull and Load-Pull Data

Kazutomi MORI, Yasushi ITOH, Katsuya KOMURO, Tadashi TAKAGI

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Summary :

This paper describes a calculation method of large-signal characteristics of multi-stage power amplifier modules using source-pull and load-pull data. An output power, a power-added efficiency, and a phase deviation of multi-stage power amplifier modules are calculated based on the source-pull and load-pull data, which are comprised of input and output reflection coefficients, an input power, an output power, a phase deviation and a drain voltage and current, taking into account the source and load impedance of each stage FET. Applying this method to a 900 MHz two-stage Si-MOSFET power amplifier module, the calculated and measured results are in good agreement.

Publication
IEICE TRANSACTIONS on Electronics Vol.E81-C No.6 pp.904-910
Publication Date
1998/06/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Module Technology)
Category
Semiconductor Devices and Amplifiers

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