Custom Digital DVB-T2 TV Set Top Box

Custom Digital DVB-T2 TV Set Top Box

1.Main Chip Sets

???? CPU frequency:450MHz

???? Flash Memory:1PC NOR FLASH 16M BYTE

???? SDRAM Memory:2PC 64X16Mbit/128Mbyte DDR2s

2.Tuner and Demod

?? Tuner Type:Separate Silicon Tuner

?? Frequency Range:177.5～227.5MHz;474～858MHz

?? Input Impedance:75Ω

?? Demodulator:Fully support EN 300744(DVB-T) and EN 302755(DVB-T2) standard

? Active Ant Power:5VDC @ 50mA MAX, Overload Protection

?? Input Level Range:64QAM:-78.5dBm～-8.75dBm;16QAM:-84.1dBm～-8.75dBm

? QPSK:-90.3dBm～-8.75dBm 1024QAM : -76.5dBm~-8.75dBm

?? ANT Loop-Through:51MHz～858MHz full Band loop through

3.TS Demux

? Demultiplexer:MPEG2 ISO/IEC 13818-1

? Input Bit Rate:Max 100Mbit/s

4.Video Decode

? Video Decode:MPEG2 ISO/IEC 13818-2 MP@ML, H.264(MPEG4 part 10)

? main and high profile level 4.1/MPEG-2 MP@HL MPEG4 P2 VP6 FLV WMV-9

? Aspect Ratio:4:3;16:9

?Video Resolution:1920×1080, 1280×720, 720×480

5.Audio Decode

Audio Decode:WMA-9, WMA-9 Pro, MPEG-1 layerI/II, MPEG-2 layer II, MPEG-2 AAC, MPEG-4 AAC LC 2ch/5.1ch AC3 AC3PLUS DTS

Sound Mode: LEFT/RIGHT/STEREO/MONO

Sampling Frequency:32KHz, 44.1KHz, 48KHz

6.AV Output

Video Bandwidth:SD:5.0MHz(-3dB), HD:30MHz(-3dB)

Video Impedance:75Ω

Video Voltage Level:1.0 Vp-p

Audio Freq. Range:20～20KHz

Audio Impedance:600Ω

Audio Voltage Level:2V rms(5.6Vp-p)

7.Environment

Input Voltage:AC 110～250V, 50Hz/60Hz

Consumption:Max 10W

Temperature:0～40℃

Humidity:? <95％???