Outline
JXDH-6302 QAM Modulator, is the main equipment CATV digital head-end, receiving DVB transport streams which come from coder, multiplexer, DVB gateway, scrambler, video server etc. It does signal processing like RS coding, convolution interleaving and QAM modulating, providing IF/RF output.
Features
◆Complying DVB standard signal channel coding.
◆Support full range variable data rate, bandwidth and QAM mode Data
stuffing
◆super buffer (optional)，anti-burst code stream
◆PID filter, re-reflection, PSI、SI information synchronal updating
possible.
◆Automatically code stream stuffing and empty pocket deleting.
◆Code stream real-time monitoring, empty pocket filtering
◆Support NIT table modifying
◆real-time code stream monitoring
◆PCR adjusting, output symbol rate variable:1-7Ms/s；
◆Fixed or agile channel output;
◆Providing ASI and Ds3 input port and output port (optional)
◆Providing RF output monitoring port（-20dB）；
◆Local or Remote administration possible.
◆LCD display, flexible in operating
◆High reliability design, stable in running
Specifications
|
Modulating mode
|
16、32、64、128、256 QAM
|
|
Symbol rate
|
3~7Mbaud/s
|
|
Correction coding
|
RS Coding204
|
|
Input data rate
|
1.5~51Mbps
|
|
Channel data rate
|
20~56Mbps
|
|
MER
|
≥33dB
|
|
BER
|
1´10-8
|
|
Input interface
|
|
ASI
|
DVB standard
|
|
SPI
|
|
IF output
|
|
IF Frequency
|
OptionalIF
|
|
RF Frequency
|
110~862MHz
|
|
Output Level
|
≥115dBmV
|
|
Output Level adjustale
|
100dBmV
|
|
Impedance
|
75Ω
|
|
Output return loss
|
≥12
|
|
Miscellaneous
|
|
Dimension
|
44mm´482mm´410mm
|
|
Temperature
|
0 ~ 45℃(Operating) -20 ~ 80℃(Storage)
|
|
Power
|
220VAC±10%，50Hz，25W
|
Warm tips:
Specification and picture are for reference only, the actual item is the standard, welcome to contact our seller.
Digital Headend System
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