Features
● Up to 4 ASI inputs
● Up to 108Mbps bit rate for each DVB-ASI input (cover both data packets and data burst)
● Support multiplexing
● 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
● TS packet format input automatic detection and output configurable (188 or 204 bytes)
● PSI/SI tables regeneration
● PID filtering and re-mapping
● Local keyboard control and LCD display, or access via Ethernet link
Application
● Re-multiplex for all DVB program Transport
Stream related application
● DVB-C QAM modulation
Compatible
● EN 50083-9
● ETSI TR 101 154
● ETSI TR 101 891
● EN 300 429
● ITU-T J.83 Annex A
Recommended Operating Conditions
Stress in excess of the maximum absolute ratings can cause permanent damage to the device (See Table 1)
Table 1 – Recommended Operating Conditions
Parameter |
Symbol |
Min. |
Max. |
Unit |
Supply Voltage |
Note |
V |
90 |
250 |
V |
Supply Frequency |
F |
49 |
51 |
Hz |
power consumption |
C |
|
25 |
W |
Ambient Operating Temperature |
Tw |
0 |
50 |
OC |
Storage Temperature |
Ts |
-25 |
55 |
OC |
Operating Humidity |
H |
10 |
75 |
% |
Note: Support both 110V and 220V supply voltage standards, but please let us know which one do you
need when you release order.
Specifications
Table 2 – Technical Specifications
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 |
- |
4 |
|
|
Impedance |
- |
75 |
Ω |
|
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 |
Ω |
|
Connector |
- |
BNC |
NA |
|
Frequency |
- |
48~863 |
MHz |
Step 1MHz |
Output level |
|
>100 |
dBuV |
Adjustable attenuation of 0~15dB |
- |
Modulation Specification |
Modulation scheme |
- |
16QAM~256QAM |
NA |
Support Annex- A/C |
Symbol Rate |
SR |
≤7 |
Mbaud |
|
Bandwidth |
BW |
8 |
MHz |
|
Effective output bit rate |
- |
≤51.6 |
Mbps |
|
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 |
|
Panel DiagramFront panel:Rear panel:Ordering Information
Part Number |
Description |
|
TS re-multiplexing and QAM modulator, 4 ASI inputs (up to 108Mbps for each channel ), RF output and RF testing port, 16~256QAM scheme with 48~863MHz frequency, SR 5~7Mbaud |
WDQ-3204B |
Reversion History
Reversion |
Updating description |
Date |
REV. 1.0 |
New datasheet |
2012/7/2 |
REV. 1.1 |
Add step of RF output |
2013/2/20 |
REV. 2.0 |
Update the Logo |
2013/3/27 |