HOME > Products > DVB > Set Top Box

China Set Top Box Manufacturers


Dream Digital Technology is your most reliable set top box manufacturer in China. The set top box is a device that connects to a television or an external source of signal, turning the signal into content which is then displayed on the television screens. In the multimedia era, the set top box becomes the heart of home entertainment. If you would like to know more about the detailed specifications, please see the following features of DBS tuners, common interface, video recorder, audio recorder, output analog, video parameter, TV scart, VCR scart, Ethernet, and more.

Quantity:
Set Top Box

DBS-Tuner:
Frequency Range 950 . 2150 MHz
Signal Level - 65 dBm . - 25 dBm
Signal-to-Noise Level 12 dB max.
DBS-Tuner Input Connector F-Type female
Input Impedance 75 Ohm
AFC +/- 3 MHz
Demodulation Shaped QPSK
FEC Viterbi and Reed-Solomon
Viterbirate 1/2, 2/3, 3/4, 5/6, 7/8, automatic assimilation
Roll-off Factor 35 %
Demultiplexing according ISO 13818-1

Common-Interface:
Common-Interface Power Consumption max. 0,3A/5V

Video decoder:
Video Compression MPEG-2 and MPEG-1 compatible
Video Standard PAL G/ 25 Hz
Video Formats 4:3 / 16:9
Footage 16:9, automatic assimilation for 16:9 TV-Device (over Scart)
Letterbox precolating for 4:3 TV-Device

Audio decoder:
Audiokompression MPEG-1 ∓ MPEG-2 Layer I and II
Audio Mode Dual (main/sub), Stereo
Frequency: 32 kHz, 44.1 kHz, 48 kHz, 16 kHz, 22.05 kHz, 24 kHz

Output analog:
Output Level L/R 0,5 Vss on 600 Ohm
THD > 60 dB (1 kHz)
Crosstalk < -65 dB

Output digital:
Output Level 0,5 Vss on 75 Ohm
Sampled Data Filtering 32 kHz, 44.1 kHz, 48 kHz
S/PDIF-Output optical (AC3)

Video parameter:
Input Level FBAS 1 Vss +/- 0.3 dB on 75 Ohm
Teletext filter in conformity with ETS 300 472 Standard>

TV-Scart:
Output: FBAS,RGB,S-Video over OSD selectable

VCR-Scart:
FBAS

Serielle Interface RS 232:
Typ RS232 bidirectional
Bitrate 115,2 kBit/s max.
Plug Connector SUB-D-9
Function: Update of Firmware

Ethernet:
10/100 MBit compatible interface
Function Update of Firmware, Connect to PC

USB:
USB 1.2 connector

Mini DIN:
I2C for stearing of external devices
IR funktion

Pins:
1    5V
2    SDA (I2C-Kanal 2)
3    SCL
4    3,3V
7    GND
8    IR-Output
9    GND

UDMA66 IDE Interface:
Intern for connect HDD
Compact Flash - Reader

LNB power and polarisation:
LNB Current 500mA max. ; short-circuit-proof
LNB Voltage vertical < 14V without load, > 11,5V at 400mA
LNB Voltage horizontal < 20V without load, > 17,3V at 400mA
LNB shut-off at Standby-Mode

Count of active satellite position:
DiSEqC 1.0/1.2 SAT POSITION / SAT OPTION
DiSEqC - Rotor Control

Power consumption:
< 20W (in operation, horizontal polarization / 400mA LNB current)
< 11W (in operation, without LNB)
< 4W (Deep-Standby-Mode)

Input voltage:
230V / 50 Hz alternating acurrent +/- 15%

Physical specification:
Ambient Temperature +15°C...+35°C
Humidity < 80%
Size (W x D x H): 374 mm x 230 mm x 75 mm
Weight: 1,8 kg  without HDD