Specifications
ASI QAM modulatoret the standard of DVB-C path-way encode
2.support all-range changable symbol rates and QAM
2014 CATV ASI/SPI QAM Modulator DVB-C
Product summarize
JD-QAM-1100 modulator is self-designed QAM digital modulator with high performance, shall receive MPTS and SPTS from encoders, multiplexer, DVB gateway, scrambler, video server, etc, to process modulating and channel error-correction encoding. It shall supply with variable frequency to digital TV channel or supply with RF (fixed or frequency agility) output.
It is with the characteristics of flexible configuration, high-performance indications and stability, and shall be applied to the head end system for large and medium size cable digital TV; is also high performance cost ratio product, which shall realize to increase the contents of digital TV channels on the basis of current analogue/digital cable TV head end system (e.g. medium, small size cable station, enterprises and public institutions station, hotel, community, etc.)
Main features
·In accordance with DVB-C standard channel coding
·Support whole range of variable signal rate and QAM star level
·Support PID filtering/re-mapping
·Support PSI/SI information synchronization update
·Support NIT editing
·Automatically code stream filling and intelligent empty pack deleted
·With the function of PCR high-precision correction
·Code rate input form including ASI/DS3 (optional)
·RF are fixable or frequency agility output
·Supply with DVB ASI/SPI input interface and ASI looping out interface
·Front panel LCD shows key control parameter and controls operation, with Chinese and English menu selection
·LED state display and warning indicator
·Support 10M/100M Ethernet control interface, and upgrade on line through network
·Local/long-distance control and central management are available through network management system
·19 inche1 U rack
Technical parameter
QAM modulation | 16/32/64/128/256 (optional) |
Symbol rate | 1~7 Mbaud/s |
Input data speed | 1.5~51Mbps |
Channel data speed | 20~56Mbps |
Output bandwidth | 8MHz |
Output resistance | 75Ω |
Output reflection loss | <14dB |
RF output frequency | 48~860MHz fixed/frequency agility |
Output frequency stepping | 0.1MHz |
Output frequency error | <15KHz |
RF output level | ≥108dBμV |
RF output monitor | -30 dBμV |
RF output level adjustment | 0~16dB(0.5dB stepping) |
Medium-frequency output frequency | 35.25/36.15/36.65/44/70MHz (optional) |
Medium-frequency output level | ≥80 dBμV |
Modulating BER | >35dB(RF output testing) |
SNR | >48dB |
PCR dithering | <100ns |
Parasitism output rejection | ≥55dB |
Phase noise | <-65dB@1KHz <-85dB@1KHz <-105dB@1KHz |
Power supply parameter | AC 220V. 50Hz. 30W |
30% deposit should be paid by T/T and balance 70% paid before delivery.
Delivered by air sea or rail.
1.Your inquiry related to our products or prices will be replied within 24hours.
2.Well-trained and experienced staffs to answer all your enquires in fluent English.
3.OEM & ODM, any your customized requirements we can try to help you realize.
4.Protection of your sales area ,ideas of design and all your private information.
5. 1 years warranty.
Our company is major for the cable television transmission equipment from 1999, certified by ISO, developing,
manufacturing and trading for the world wide, we have the professional technical team to support our customer,
our production capacity already be the first class of 100,000 set per year.
| Business Type: | Manufacturer, Trading Company | |
|---|---|---|
| Main Products: | Transmitter,Receiver,Amplifier,EDFA,DVB-C Set Top Box | |
| Location: | Shaanxi, China (Mainland) | |
| Year Established: | 1999 | |
| Number of Employees: | 51 - 100 People | |
| Total Revenue: | USD7,860,989 | |
| Main Markets: | Domestic Market, South Asia, South America | |
| Product Certifications: | Certificate of network access for broadcasting equipment,Certificate of network Access for Broadcasting Equipment,Certificate of network Access for Broadcasting Equipment,Certificate of network Access for Broadcasting Equipment,Certificate of network Access for Broadcasting Equipment,Certificate of network Access for Broadcasting Equipment,AOI,Golden customer,The best partner,3C,certificate of abyding by contract,Famous Brand,hi-tech new industrial enterprise |
Our main products as following:
1. 1550nmExternal Modulation Optical Transmitter,
2. 1500nm EDFA,
3. 1310nm&1550nm Optical Transmitter,
4. All kinds of optical receiver,optical nodes,
5. Optical related products