I. Main Function
Our DVB-C HD STB is designed accordingly to DVB-C International Standard and technical standard by China Broadcasting Association. 3C, ISO and Energy Efficiency certification is approved.
DVB-C standard, support digital video and audio broadcasting and subtitlementand other functions, such as digital video, audio broadcasting, EPG, boot screen, subtitle picture advertising, etc.
Montage M88cc6000-t010 main chip design.CAS is intergrated.
The main chip USES a high-performance dual MIPS CPU with 1Gb DDR and 8MB Flash capacity.
Support left, right, stereo, mixed output, with channel remote switch function, default output is left channel.
The loader of the set-top box can meet relevant standards and run stably. The software including CA can be replaced and upgraded via USB or online OTA.
Support automatic and manual full frequency search, support single frequency search. The program can be classified according todifferent arrangement. Users can edit the program according to their preferences
Support screen notifications, subtitles, email and other functions;Support for parental grading control and program locking.
The remote control supports learning function, the linear distance of remote control can reach 15 meters, and the TV power and volume can be controlled by the remote control of the set-top box.
The set-top box is equipped with 12V/DC external power adapter for easy maintenance and use
STB Size：165*120*30MM
III. Main Parameters
RF Input Port
|
Technical Demand |
Parameters |
|
RF input Frequency |
110-862MHz |
|
Input Resistance |
75Ω |
|
Min Input Level |
≤34dBuV（64QAM） |
|
Max Input Level |
≥85dBuV |
|
Channel Bandwidth |
8MHz |
|
C/N Value |
≤28dB（64QAM，6.952Mbaud） |
|
MER Value |
≤26dB |
|
Frequency Range |
±150kHz |
|
Reflection Loss |
≥8dB（tested onthe currently tuned channel of the RF tuner） |
|
Demodulation |
Auto 16，32，64，256 QAM（basic requirement） |
|
Symbol Rate |
3.6-6.952Mbaud（64QAM） |
Multi-Video Output Port
|
Technical Demand |
Parameters |
|
Video Output Range |
700±30mV（p-p） |
|
Video Synchronization Amplitude |
300±20mV（p-p） |
|
Amplitude-Frequency Characteristics |
±0.8 dB（≤4.8MHz）；±1 dB（4.8-5MHz）；+0.5/-4 dB（≥5.5MHz） |
|
Differential Gain |
≤8% p-p |
|
Differential Phase |
≤ 8。 p-p |
|
RF Signal-to-Clutter Ratio (weighted weight) |
≥56dB |
|
Luminance nonlinearity |
±8% |
|
Chroma/Brightness Gain Difference |
±5% |
|
Chroma/Brightness Gain Difference |
≤50ns |
|
K Coefficient |
≤4% |
|
Interface Module |
2×RCA，HDMI1.4 with HDCP 1.3 |
|
TV System |
PAL D/K |
Multi-Audio Output Port
|
Technical Demand |
Parameter |
|
Audio Output Range |
≥-8dBu（1kHz＋4dBu（-20dBFs）input） |
|
Audio Distortion Amp-FreqCharacteristics |
≤1 |
|
Audio Amp-FreqCharacteristics |
+1/-2（60Hz-18kHz）；+1/-3（60Hz-20kHz） |
|
Audio Signal-To-Noise Ratio (Right Weight) |
≥70dB |
|
Crosstalk (Audio Channels) |
≤-70dB |
|
Phase Difference (Audio Channels) |
≤5 |
|
Level Difference (Audio Channels) |
≤0.5dB |
|
Volume Control |
32degree |
|
Interface Module |
2×RCA（L，R）； |
Smart Card Interface
|
Adapter the ISO7816 compliant smart card interface (T=0 and T=14) for CA conditional access control systems. |
System Resources
|
Technical Demand |
Parameter |
|
CPU |
High performance double MIPS CPU |
|
FLASH MEMORY |
8MB |
|
DDRAM |
1Gb SOC Embedded |
|
Language |
Chinese , English |
Decoding Support
|
Channel Coding |
RS Coding |
RS ( 204，188 ) |
|
Convolutional Interleaving Depth |
I = 12 |
|
|
Convolution Interlacing Depth l cosine square root filter roll drop coefficient |
0.15 |
|
|
Video Coding |
Compatibility DVB Standard,Support MPEG-2 MP@ML/HL |
|
|
H.264 BP (with no ASO/FMO), MP& HP@ L3/L4.1 |
||
|
AVS Jizhun profile @ L6.0/ L4.0 |
||
|
AVS Broadcast profile @ L6.0/ L4.0 |
||
|
MPEG-4 SP Profile, Advanced Simple Profile |
||
|
@ Level 5 without GMC/Data Partitioning/Reversible VLC |
||
|
VC1 SP@ML, MP@HL, AP@L0~3 |
||
|
H.263 baseline profile |
||
|
JPEG decoder engine |
||
|
Audio Coding |
MPEG-1/2 Layer I/II/III |
|
|
Dolby AC3/AC3+ (optional1) |
||
|
DRA 2 CH/5.1 CH (optional1) |
||
|
Support mono, dual channel and stereo, mixing and so on |
||
|
DEMUX |
>= 16 PID Filter |
|
|
Decoder |
Support DVB General Unscrambling Algorithm. |
|
|
Resolution /Display Ratio |
1080P，1080I，4:3 ,16:9 |
|
Display Demand
|
Technical Demand |
Parameter |
|
Range Of Video |
1/4，1/2，1，2 |
|
Multilayer Graphic Plane |
4 Level |
Interface Port
|
Front Panel: LED Light |
POWER , LOCK , Digital Channel Display , CH+ , CH- |
|
Real Panel: CA Card-Slot |
1 |
|
Real Panel:RF Input |
1F Connector |
|
Real Panel: Video Ports |
1 CVBS （Support NTSC，PAL，Or AUTO）：RCA,75Ω |
|
Real Panel: Audio Port |
1 600Ω |
|
Real Panel: DC Input |
1 DC Port , 1 Power Switch |
|
HDMI Port |
1HDMI1.4 with HDCP 1.3 |
|
USB |
1 Upgrade function, Movie Player . |
IV. Stability AndReliability
Passing Rate: 99%
Service life >= 80000 hours ,Mean time between failures MTBF at least 15000 hours.
V. More
Accessories of Product
Set-Top Boxx 1；
HDMICable(1.5M) x 1；
