SKD18 series IP QAM modulator adopts compact 1U chassis, can install 3 independent digital modules. Each module supports 1 Gigabit IP input, 4 arbitrary frequency RF outputs, hot swapping. 12 RF output. DTMB, DVBC (J.83A/B/C), DVBT, and ATSC modulation mode. SKD18 series is high performance and low cost, and is very suitable for use in digital TV headend systems in various business places (such as hotels, hotels, clubs, restaurants, etc.).
HDMI Encoder Modulator,16in1 Digital Headend,HD RF Modulator at Soukacatv.com
Characteristics
1~3 pluggable IPQAM modules, each module has 1 Gigabyte IP input and 4 arbitrary frequency point RF outputs
IP input is available in unicast and multicast protocols, UDP, IGMP V2/V3
TS stream re-multiplexing function
RF output is available in multi-standard modulation mode, such as DVBC (J.83A/B/C), DVBT, DTMB, ATSC
RF output is agile, the frequency can be adjusted freely between 50-1000MHz
Technical Parameters
Modulation Parameters
J.83A
|
Modulation standard
|
Annex A
|
Constellation
|
64QAM,256QAM
| |
MER
|
≥36dB
| |
Symbol rate
|
5-6.900Msps
| |
J.83B
|
Modulation standard
|
Annex B
|
Constellation
|
64QAM,256QAM
| |
MER
|
≥36dB
| |
CABLE STANDARD
|
HRC,IRC or STD
| |
Symbol rate
|
5-6.900Msps
| |
ATSC
|
Modulation standard
|
8VSB
|
MER
|
≥36dB
|
DVB-T
|
Modulation standard
|
DVB-T COFDM
|
Bandwidth
|
6/7/8MHz
| |
Modulation constellation
|
QPSK, 16QAM, 64QAM
| |
Code rate
|
1/2, 2/3, 3/4, 5/6, 7/8
| |
Protection interval
|
1/32, 1/16, 1/8, 1/4
| |
Transmission mode
|
8K
| |
MER
|
≥36dB
| |
DTMB
|
Modulation standard
|
GB20600-2006
|
FFT
|
1,3780,1+pilot
| |
MER
|
≥36dB
| |
FEC
|
0.4,0.6,0.8
| |
Frame pattern
|
420,595,945,420var,945var
| |
Interleaving depth
|
240,720
| |
Constellation
|
4QAM-NR,4QAM,16QAM, 32QAM,64QAM
|
Dingshengwei Electronics Co., Ltd
(DSW) is dedicated to design, manufacture and sales of CATV analog & digital headend with our brand name SOUKA. DSW obtained ISO9001:2008 certificate authorized by CQC. We have 100 in-house skillful workers, which ensures the punctual delivery date. And a professional engineer team made up of 10 senior RF engineers and 6 IT engineers to fulfil precise management over all projects honored by our customers.
As one of the most reliable suppliers in this field, we continually spare no efforts in developing DSW into a world recognized brand with trustworthy and solid reputation. DSW sincerely invites you to enjoy the fascinating experience of modern technology and excellent customer service provided for you by our professional staff.
Our main products are modulators both in analog and digital ones, amplifier and combiner. We are the very first one in manufacturing the headend system in China. Our 16 in 1 and 24 in 1 now are the most popular products all over the world.
In 2016,we launched the digital 16 in 1 headend with 1080P output,which supports all digital TV standards in the world. And we never stop our steps,more products will be released in the coming days. We are young but we have faith to find our path to the peak.
For more, please access to https://www.soukacatv.com.
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