DVB-S2 Demodulation
Transcript of DVB-S2 Demodulation
DVB-S2 Demodulation
Input Frequency Range 950~2150MHz
Input Level -25~-65dBm
Input Impedance 75Ω
Connector F-type female
Symbol rate2~45MBauds for QPSK
2~45MBauds for 8PSK
Rolling off factor0.35 for QPSK
0.35,0.25,0.2 for DVB-S2
Punctured rates DVB-S QPSK:1/2,3/5,2/3,3/4,4/5,5/6,8/9,8/10
DVB-S2 8PSK:3/5,2/3,3/4,5/6,8/9,9/10
LNB Level 0,13V,18V adjustable
0/22K 0/22KHz selectable
DiSEqC DiSEqC 1.0
DVB-C QAM Demodulation
Tuner input symbol rate 1~7MS/s(PAL),1~6MS/s(NTSC)
Demodulation 16/32/64/128/256QAM
Bandwidth 6MHz or 7MH or 8MHz
Input frequency 48~860MHz
Input level -15~15dBmV
Input impedance 75Ω,IEC female
DVB-T COFDM Demodulation
Demodulation QPSK,16-QAM,64-QAM
Bandwidth 6MHz/7MHz/8MHz
FFT mode 2K/8K
Guard interval 1/4,1/8,1/16,1/32,off
FEC code rate 1/2,2/3,3/4,5/6,7/8
Input frequency174-230MHz(VHF),
470-862MHz(UHF)、
Input level -20~-70dBm
Input impedance 75Ω,IEC female
TS over IP I/O
Ethernet Connector RJ45, 10/100M
Max. bit rate 70Mbits/s
ProtocolUDP/RTP,
Support Multicast or Unicast
Multicast control protocol IGMPv2
Other I/O Interface
Common Interface
Type double-deck PCMCIA
Input interface
Tuner IN 1×input, 1×loop through output
ASI IN 2× BNC Female,75Ω
Output interface
ASI OUT 2×2 BNC Female,75Ω
SDI OUT 2×BNC Female,75Ω; supports HD-SDI/SD-SDI,(one for back-up)optional
HDMI 1x HDMI 1.3 interface
YPbPr 1
CVBS 1×RCA,1xBNC
AES/EBU 2×9-pins D-sub connector,AES/EBU and XRL audio output ports
Serial Port 1×RS-232 9-pin D-sub
Ethernet Connector 1×RJ45, 10/100M, for network management
1×RJ45, 10/100M, for TS over IP (optional)
Output Video format
SDI 1080ix60, 1080ix50, 576ix50, 480ix60
HDMI1080ix60, 1080ix50, 1280x720px60, 1280x720px50,
720x480px60,720x576px50,576ix50,480ix60
YPbPr 1080ix60, 1080ix50, 1280x720px60, 1280x720px50
720x480px60, 720x576px50, 576ix50, 480ix60
CVBS port 576ix50, 480ix60
Management
Ethernet Connector RJ45,10/100M, for NMS and software upgrade
Protocol SNMP, TCP/IP, HTTP
Front panel control LCD display and keypad
General
Dimensions 44mm×483mm×255mm
Weight 5Kg
Power supply AC90V~260V,50/60Hz,30W
Operating temperature 0~45℃
Humidity <95%
Model DCH-5000P-10x DCH-5000P-20x DCH-5000P-30x DCH-5000P-42x DCH-5000P-44x
Input and process
Tuner -T2 -C -T S2 -T2 -C -T S2 -T2 -C -T S2 -T2 -C -T S2 -T2 -C -T S2
ASI Input ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2
10/100M* ● ● ● ● ● ● ● ● ● ● ● ●
GbE IP Input ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
CI ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2
Bulit-in Re-mux ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
output
ASI-Output(Redundancy) ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
10/100M IP Output(6 ch) ● ● ● ● ● ● ● ●
10/100M IP Output(32 ch) ● ● ● ●
GbE IPOutput ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
HD MI ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1
SDI ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1
Ypbpr ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1 ×1
Audio L/R ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2
AES-EBU ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2
CVBS ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2 ×2
Standard configuration optional
Model List