- Contact Person : Mr. Hou Yonggang
- Company Name : Chengdu Yadianna Technology Co., Ltd.
- Tel : 86-028-85243869
- Fax : 86-028-85215202
- Address : Sichuan,Chengdu,Shiyang industrial park,high-tech zone, in Chengdu
- Country/Region : China
- Zip : 610041
DVB-C Encoder Modulator
Product overview
YDN-EM2204C is a low bit rate encoding, DVB-C modulation integrated device to convert four channels A/V signals to DVB-C RF out in the frequency range of 30~960MHz. It has equipped with 4 channels CVBS input in two individual modules, and 1 RF input.
The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, DVD, TIVO, and antenna etc. its output signal is to be received by a DVB-C standard TV, DVB-C STB.
The device can be used in public place such as metro, market hall, theatre, hotels, resorts, etc for distributing advertising or local channels to each end displayer and TV. It also can be used for monitoring, training and educating in company, schools, campuses, hospital… besides that it’s a good choice for bars to offer HD sports channels, for VIP entertainment channels, and more.
Key Features
4 channel CVBS in, RF in
MPEG2 low bit rate encoding
720*576(PAL), 720*480(NTSC)
4* CVBS in, 1*ASI in, 1*RF in
DVB-C/QAM RF out
Support all DVB-C QAM modes(J.83A/B/A/C)
LCN support (Logical Channel Number)
Excellent modulation quality MER≥42dB
RF Frequency range 30Mhz~960Mhz
LCD display, Remote control and firmware
Updates via web/Ethernet
Updates via web/Ethernet
Updates via web/Ethernet
Lowest cost per channel --- breakthrough price
Specification
Encoding section | |
Video | |
Encoding | MPEG-2 MP@ML(4:2:0) |
Input | CVBS*4 (two individual module) ASI*1 |
Resolution | 720*756(PAL), 720*480(NTSC) |
Audio | |
encoding | MPEG1 Layer II |
Input | Unbalanced stereo analog audio *4 |
Sample rate | 48KHz |
Bit rate | 64kbps, 96kbps,128kbps, 192kbps, 256kbps, 320kbps |
DVB-C modulator section | |
Standard | J.83A , J.83B, J.83C |
MER | ≥42dB |
RF frequency | 30~960MHz, 1KHz step |
RF output level | -30~ -10dbm(81~97 dbµV), 0.1db step |
J.83A | |
Constellation | 16/32/64/128/256QAM |
Symbol rate | 5.000~9.000Msps adjustable |
bandwidth | 8M |
J.83B | |
Constellation | 64QAM/ 256QAM |
bandwidth | 6M |
J.83C | |
Constellation | 64QAM/ 256QAM |
bandwidth | 6M |
Interface | |
Local interface | LCD + control buttons |
Remote management | Web NMS |
Language | English |
General | |
Power supply | AC 100V~240V |
Dimensions | 250*268*44mm |
Weight | 3.6kgs |
Operation temperature | 0~45°C |
DVB-C Encoder Modulator