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ANMERKUNG: Wenn es notwendig ist, den UNEMPFINDLICHKEITSPRÜFGRAD zu erreichen,
kann der Abstand zwischen der Sendeantenne und dem ME-Gerät oder
ME-System auf 1 m reduziert werden.
Ein Prüfabstand von 1 m ist durch IEC 61000-4-3 erlaubt.
a)
b)
c)
Für einige Dienste sind nur die Uplink-Frequenzen enthalten.
Die Trägerfrequenz wird unter Nutzung einer Betriebszyklus-Rechteckspannung von 50 %
moduliert.
Als Alternative zur FM-Modulation, kann eine Pulsmodulation von 5 0% 18 Hz genutzt werden,
weil sie die schlechteste Lösung darstellt, da sie keine wirkliche Modulation ist.
Der HERSTELLER sollte eine Reduzierung des Mindesttrennabstands, der auf dem RISIKO-
MANAGEMENT beruht, ins Auge fassen und höhere UNEMPFINDLICHKEITSPRÜFGRADE
verwenden, die für den reduzierten Mindesttrennabstand angemessen sind. Mindesttrennabstände
für höhere UNEMPFINDLICHKEITSPRÜFGRADE werden anhand folgender Gleichung berechnet:
Wobei P die Maximalleistung in W, d der Mindesttrennabstand in m und E der UNEMPFINDLICH-
KEITSPRÜFGRAD in V/m ist.
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