Measurement of two-tone transfer characteristics of high-power amplifiers

Measurement of two-tone transfer characteristics of high-power amplifiers

In this paper, we present an accurate measurement method for acquiring the two-tone transfer characteristics of high-power amplifiers. The measurement setup and sequence are described. The measured amplitude and phase data of the two-tone fundamental, third-order intermodulation, and fifth-order int...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 2001-03, Vol.49 (3), p.568-571
Hauptverfasser: Yang, Youngoo, Yi, Jeahyok, Nam, Joongjin, Kim, Bumman, Park, Myungkyu
Format: Artikel
Sprache:eng
Schlagworte:
Amplifiers
Amplitudes
Extraction
High power amplifiers
Intermodulation
Mathematical models
Measurement methods
MESFETs
Microwaves
Nonlinearity
Phase measurement
Power amplifiers
Power generation
Power measurement
Predistortion
Radio frequency
Radiofrequency amplifiers
Taylor series
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Beschreibung
Zusammenfassung:In this paper, we present an accurate measurement method for acquiring the two-tone transfer characteristics of high-power amplifiers. The measurement setup and sequence are described. The measured amplitude and phase data of the two-tone fundamental, third-order intermodulation, and fifth-order intermodulation components versus input power level are also presented. The measured two-tone transfer characteristics are very useful for the design of a predistortion linearizer or for nonlinear model extraction for high-power amplifiers.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.910567