WDQ-3200B is a new compact (1RU only) chassis and cost-effective QAM modulator, which is designed by Hangzhou Prevail according to the DVB related standards. WDQ-3200B has one ASI input, the RF output supports 16QAM~256QAM modes. The WDQ-3200B has very convenient management interface, the user can complete all operation via local keyboard and LCD display on device, or access through the Ethernet port on device.
One ASI input, up to 108Mbps bit rate for DVB-ASI input (cover both data packets and data burst)
Support TS re-multiplexing function
Support 1.15MHz~8.05MHz bandwidth
Support 16QAM,32QAM,64QAM,128QAM, 256QAM modulation modes
Provide RF output monitoring port (-20dB)
Adjustable Symbol Rate up to 7Mbaud
Max. effective bit rate up to 51.6Mbps (SR=7Mbaud, 256QAM)
Nominal RF Output power ≥100dBuV (with 0~15dB adjustable attenuation range) and 48~863MHz frequency range
PSI/SI tables regeneration
PID filtering and re-mapping
Local keyboard control and LCD display, or access via Ethernet link
|
Parameter |
Symbol |
Description |
Unit |
Remark |
|
Mechanical dimension |
||||
|
Height |
H |
42 |
mm |
About 1U |
|
Width |
W |
434 |
mm |
About 17” |
|
Depth |
D |
340 |
mm |
|
|
ASI Input |
||||
|
Number of ASI input |
- |
1 |
|
|
|
Impedance |
- |
75 |
W |
|
|
Connector |
- |
BNC |
NA |
|
|
Maximum bit rate |
- |
108 |
Mbps |
|
|
TS packet format |
- |
188 or 204 |
Byte |
Automatic detection |
|
Transmission format |
- |
Data packet or data burst |
NA |
|
|
RF Output |
||||
|
Impedance |
- |
75 |
W |
|
|
Connector |
- |
BNC |
NA |
|
|
Frequency |
- |
48~863 |
MHz |
Step 1MHz |
|
Output level |
- |
>100 |
dBuV |
Adjustable attenuation 0~15dB |
|
Modulation Specification |
||||
|
Modulation scheme |
|
16~256QAM |
|
Support Annex- A/C |
|
Symbol Rate |
SR |
5~7 |
Mbaud |
|
|
Bandwidth |
BW |
1.15~8.05 |
MHz |
|
|
Effective output bit rate |
|
≤51.6 |
Mbps |
SR=7Mbaud, 256QAM |
|
Modulation Error Rate |
MER |
≥40 |
dB |
After equalizer, 64QAM |
|
Bit Error Rate |
BER |
≤1x10E-8 |
|
After FEC, 64QAM |
|
Carrier to Noise |
C/N |
≥45 |
dB |
|