CATV 256 QAM Modulator 4 Channel rf Modulator
US$ 1 - 1,500
/ Set
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Product Details
| Place of Origin | Sichuan, China | Brand Name | DEXIN | |
| Model Number | NDS3340B |
Product Description
Specifications
1. 16/32/64/128/256 QAM2. 4 ASI input , DVB-C RF out
3. ASI input can change to tuner input
digital TV 4 QAM modulator
Features
- Fully complying with EN300429/ITU-T J.83A
- 4 adjacent channel QAM carrier
- 4×ASI inputs and 188/204byte TS packet support
- DVB-S/-S2/-C/-T RF input (optional)
- Accurate PCR adjusting support
- 16/32/64/128/256 QAM constellation support
- Symbol rate adjustment range: 5.0Msps~7.0Msps
- PSI/SI editing support
- RF output frequency range: 48MHz~860MHz in 1kHz step
- RF output level range: -16dBm~0dBm(each carrier) in 0.5dB step
- Excellent RF output performance index, MER≥40dB
- LCD & Keyboard operation
- NMS support
Specifications
Input | 4ASI Input, BNC Interface(75Ω) DVB-S/DVB-S2/DVB-C/DVB-T tuner is optional | |
Modulation | QAM channel | 4 |
Standard | EN300429/ITU-T J.83A | |
Symbol rate | 5.0~7.0Msps,1ksps step | |
Constellation | 16/32/64/128/256 QAM | |
FEC | RS(204,188) | |
RF Output | Port | F Type,75Ω impedance |
Frequency range | 48~860Mhz,1khz step | |
Output level | -16dbm~0dbm(each carrier),0.5db step | |
MER | ≥40db | |
ACLR(adjacent channel leakage ratio) | −60dBc | |
System Function | LCD/Key board, network management, Chinese and English language | |
Ethernet software upgrade | ||
General | Dimensions (WxDxH) | 482mm×455mm×44.5mm |
Weight | 6.7kg | |
Temperature range | 0~45°C(operation),-20~80°C(storage) | |
Power Requirements | AC110V±10%,50/60Hz orAC220V±10%,50/60Hz | |
Power consumption | ≈25W | |
Contact Us
- Dexin Digital Technology Corp. Ltd. (Chengdu)
- Contact namedaisy Lee Chat Now
- Phone86-28-85558928 85550524
- AddressNo.10 & No.12, Wuxing Fourth Road, Wuhou District, Chengdu, China, Chengdu, Sichuan
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