NEC DTU-70, Инструкция по эксплуатации

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GWP-G22996
3 - 2
3-1 Exciter Section
DM-5000D ISDB-T Exciter is designed for digital TV transmitter system and which has
most of essential functions of COFDM modulation, frequency up-conversion, linearity
correction and etc. COFDM modulation function is complied with ISDB-T (ARIB STD-
B31 and ABNT NBR 15601)
3-1-1 Characteristics
Table 3-1 lists the electrical characteristics of Exciter.
Table 3-1 Electrical Characteristics of Exciter
Function Characteristics
TS Input
TSoIP Input
Output Level
Output Frequency
Output Connector
RF Feedback Input Level
Input Connector
Reference Input Level
Reference Frequency
1PPS Input Signal Type
1PPS Input Level
Input Power Supply Voltage
Power Consumption
Dimensions
Weight
DVB-ASI x 2 (ASI1, ASI2) / BNC-J (75
Ω
)
1GbE Ethernet(IP1, IP2) / RJ-45
0 dBm to
+
8dBm adjustable
UHF : 470
∼
862MHz
BNC-J (50
Ω
)
+0
dBm to
+
6dBm
BNC-J (50
Ω
)
- 3dBm to +10dBm
10MHz (sine wave)
1Hz pulse
TTL
90
∼
250V AC
100W maximum
480mm (width)
×
44mm (height)
×
520mm
Approx. 7.0kg