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NXP Schatzbogen 7 81829 München, Germany http://www.freescale.com
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LDMOS HF-Leistungstransistoren von Freescale verhelfen Mobilfunkbasisstationen mit Doherty-Verstärkern zu optimalen Leistungsdaten

Sieben neue, speziell für Signale mit hohem PAR (Peak-to-Average Ratio) konzipierte Bausteine sind jetzt verfügbar

(PresseBox) (München, )
Freescale Semiconductor hat heute sieben LDMOS HF-Leistungstransistoren vorgestellt, die sich durch außergewöhnliche Leistungsdaten auszeichnen. Sendestufen für WCDMA- und CDMA2000-Basisstationen können damit das Potenzial der Doherty-Verstärkerarchitektur voll ausreizen.

Die Doherty-Architektur - diese etabliert sich zunehmend als Industriestandard - ermöglicht einen hervorragenden Wirkungsgrad, stellt aber aufgrund nahezu unvereinbarer Forderungen hinsichtlich gutem Wirkungsgrad und hoher Linearität die Entwickler vor enorme Herausforderungen. Die neuen, speziell für diese Architektur konzipierten Freescale-Transistoren adressieren diese Probleme und ermöglichen die Realisierung von Basisstationen, die deutlich weniger Leistung aufnehmen als solche, die auf herkömmlichen Transistorkonzepten basieren.

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