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Cable Digital TV set-top box
Specifications
high-frequency
Input frequency£º48-860MHz
ring frequency£º48-860MHz
Input Electric potential£º-25+20dbmV
Input impedance£º75¦¸
channel code 
code standard£ºDVB-C EN300 429
Demodulation mode£º16QAM£¬32QAM£¬64QAM£¬128QAM£¬256QAM
Reed solomon:240,188,t=8
Symbol rate£º3.0-7.0MS/S
Demultiplexer
Standard specifications£ºISO/IEC 13818-1
Input bitstream: maximum 60 Mbps (serial) / 7.5 Mbps (parallel)
Video code 
code standard£ºISO/IEC 13818-2£¬MPEG-2 MP&ML
Frequency output ratio£º4£º3£¬16£º9
Video output format£ºPAL/NTSC/Auto
Video resolution£º720X576£¨PAL£©£¬720X480£¨NTSC£©
Audio Decoder
Decoding Standard£ºISO/IEC 13818-3
Audio formats£ºMPEG-1&MPEG-2 layer I and II
output mode£ºleft/left£¬right/right£¬lefe/left
Sampling frequency£º32,44.1,48KHz
Volume adjustment£ºlevel32
Main memory chip&memory
CPU£ºQAMi5516
Processor speeds£º180MHz
memory£º4M
System SDRAM£º16M
code SDRAM£º8M
Audio and video output
Broadband Video£º5.5MHz
Video output impedance£º75¦¸
Video output Electric potential£º1.0Vp-p
Audio output modes: single-channel, dual-channel
Audio output frequency£º20Hz~20KHz
Audio output impedance£º600¦¸
Audio output Electric potential£º0¡À6dBm
Middleware specifications
Transmission Standard£ºDVB DSM-CC-OC£¨ISO/IEC13818-6£©
support HTML4.0
support Java Script 1.3
support HTTP1.1
support Cookies
support FRAME
support GIF,JPEG,PNG,BMP
support GIF
support DVB NIT,SDT,EIT,TDT,TOT,BAT,AIT
Front panel
LED Display: 4 pieces of the digital LED display channels, state
Light: standby, lock
button:on/down/left/right/menu/submit£¬switch
Smart card£º1
IR receiver£º38KHz
Back panel 
RF input£º
British F-type interface
RF ring ouput£ºIEC
RCA output£º3RCA£¨1left 1right 1video£©
Y/C output£ºS-VIDEO Terminals
RS232
Interface£ºDB-9£¬maximum 115200bps
Remote control
type£ºIR£¨38KHz£©
Battery£º2x1.5V AAA
Power
output power£ºAC100~240v,50/60Hz
Maximum power£º15W
General Characteristics
Operating temperature£º-5~+45C
volume£º279mm£¨W£©x200mm£¨D£©x40mm£¨H£©
weight£º1.65Kg
Smart Card 
Standard specifications£ºISO 7816
Product Introduction
Product characteristic
Specifications
Contact:
ELECTRONICS
SCIENCE &
TECHNOLOGY
CO.,LTD.
Tell:
+86-022-
26237431
   
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