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Technische Daten
10
Träger/Rauschabstandsmessung (C/N)
Messungen
Analoge Kanäle Verhältnis zwischen Trägerpegel
und Rauschpegel des Kanals
Digitale Kanäle
Verhältnis zwischen Kanalleistung
und Rauschpegel.
Die Messfrequenz kann als abso-
luter oder relativer Wert eingestellt
werden. Bei relativem Wert ist die
Standardeinstellung des Gerätes
BW/2 +0,5 MHz.
Messbereiche
38-48 dB für Eingangspegel
zwischen 60-70 dBµV
Analoge Kanäle
>48 dB für Eingangspegel >70 dBµV
Digitale Kanäle
>40 dB für Eingangspegel >60 dBµV
Genauigkeit
±
2 dB (45-862 MHz),
±
3 dB (5-45 MHz)
Intermodulation CSO und CTB (Analoge Kanäle)
CSO
Verhältnis des Spitzen-
Bildträgerpegels zum
Spitzenwert der Gruppenstörpro-
dukte 2. Ordnung.
Die Messung wird an vier einstell-
baren Frequenzen durchgeführt.
Messfrequenzen
Einstellbar von
–2,50 bis –0,50 MHz
und von
0,50 bis 2,50 MHz.
Standardeinstellung –1,50, -0,50,
0,50 und 1,50 MHz
CTB
Verhältnis des Spitzen-Bild-
trägerpegels zum Spitzenwert der
Gruppenstörprodukte 3. Ordnung.
Die Messung wird an der Träger-
frequenz oder in einem vorher de-
finierten Kanal durchgeführt.
Data Logger-Funktion
Max. Anzahl der Speicherplätze 55
Anzahl der Kanäle pro Speicherplatz
140
Messungen Pegel, C/N und V/A
11


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