DVB QAM Modulator
1.receiving DVB/MPEG-2 transport stream
2.High reliability design, steady operation
3.Door to door service
DVB QAM Modulator
1.receiving DVB/MPEG-2 transport stream
2.High reliability design, steady operation
3.Door to door service
QAM Modulator receiving DVB/MPEG-2 transport stream, making the standard or additional channel by modulating and up-converting. It Supports network management and remote supervision
Features
1:Comply DVB standard channel encoding
2:Support full range of variable symbol rate and QAM grade
3:Data filling function
4:PID filter, re-mapping, PSI, SI synchronization update
5:Transport Stream filling automatically and empty packet deleting intellectually
6:Support NIT table revision
7:PCR correction
8:Fixed or variable frequency output
9:Provide ASI and SPI input interface
10:Provide RF output monitoring port (-30dB)
11:Local and remote control
12:Chinese and English LCD display, easy and flexible to operate
13:High reliability design, steady operation
Specification
QAM Modulating Mode | 16, 32, 64, 128, 256QAM |
Symbol Rate | 2~7Mbaud/s |
Error-correcting RS code | 204 |
Input data rate | 1.5~51Mbps |
Channel date rate | 20~56Mbps |
IF Frequency | 35.25/36.15/36.65/44/70MHz |
IF output impedance | 75Ω |
Output level | ≥80dBV |
Output reflection loss | ≥12dB |
Frequency | Range 45~870MHz, Fixed or variable output is optional |
Max output level of RF | ≥110dBV |
RF output detection | -20dBc |
The range of output level | 0~16dB |
Frequency conversion accuracy | ≤5kHz |
Autoecious Output Depressing | ≥60dB |
In-band Flatness | ≤±1dB |
RF output impedance | 75Ω |
Others | 44.5mm*483.6mm*325 |
0~50(operation), -20~80(storage) | |
AC 220V 50Hz 30W |
We are a high technology enterprise which integrates the research, manufacture, sales and service of digital CATV products. And we have experience in providing total solutions of DVB-S,DVB-T and DVB-C systems.We can design,manufacture and debug.If you need the sort of the products,pls feel free to contact us.
