产品描述

- 250 MHz PowerPC Processor (350 Mips)

- Linux Operating System

- 1 x Smartcard-Reader

- MPEG2 Hardware decoding

- Common available NIMs (DVB-S, DVB-C, DVB-T)

- V.24/RS232 Interface

- 10/100Mbit compatible Ethernet Interface

- 2 LED status

- unlimited channel lists for TV/Radio

- channel-change time < 1 second

- full automatic service scan

- supports directly bouquet-lists

- supports EPG (electronic program guide)
- supports own videotext

- supports multiple LNB-Switching control (DiSEqC)

- fully adaptable OSD in many languages and skin-support

- S/PDIF Interface for digital bit stream out (AC-3)

- 1 x Scart-interfaces

DreamBox DM500 technical data
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
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-VHS
Serielle Interface RS 232:

Typ RS232 bidirectional

Bitrate 115,2 kBit/s max.

Plug Connector SUB-D-9

Function: Update of Firmware
Ethernet:

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