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Professional DVB-S/S2 Modulator, Model:Guitar-2
 北京数维合众科技有限公司
北京数维合众科技有限公司Download 
 

 Main Feature

   
    23 Compliant with DVB-S and DVB-S2 standard
     23 2 ASI redundancy inputs for 188 or 204 byte
    23 1 Gigabit Ethernet interface is implemented to receive IP data stream
    23     Input bit rate up to 200 Mbps
    23     Modulation:
         DVB-S:QPSK: 1/2, 2/3, 3/4, 5/6, 7/8, Roll-off value: 0.35
         DVB-S2:QPSK: 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6,8/9, 9/10
         8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
         16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
         32APSK: 3/4, 4/5, 5/6, 8/9, 9/10
         Roll-off value: 0.20, 0.25, 0.35
      23  Output L-band frequency range: 950MHz ~ 2150MHz
         23  RF output level: -20 to 0dBm, step 0.1dB
         23  High SNR value, excellent shoulder levels and lowest phase noise.
         23  Remote control: RS232/RS485, IP Web browser, SNMP option
         23  Firmware upgrade via FTP

 

Technical Specification

 

Standards :
   1 
DVB-S2 : EN 302 307,
 1  DVB-S : EN 300 421,
 1  DVB-ASI : EN50083-9, ETSI TR 101 891,
 1  MPEG-TS : ISO/IEC 13818-1

TS Input:
   1 
Support 188/204 packet length, packet mode and burst mode
 1     2 ASI TS redundancy input, 1 ASI loop output
 1     Max bit rate: 200Mb/s
 1     Bit rate adaptation:
- PCR adaptation/NPD/Padding/Dummy frame
 1     Connector type: BNC female, Impedance 75Ohm

IP Input:
   1  
1x10/100/1000M port for IP data stream input
 1     Generic Stream Encapsulation (ACM)
 1     Connector type: RJ-45

Built-in Test Signal:
   1 
PRBS TS sequence, null symbol insertion,
 1     Sinus tone generation

Modulation and Channel Coding:
 1     DVB-S:
          -Outer/Inner FEC: Reed Solomon/Viterbi
          -QPSK: 1/2, 2/3, 3/4, 5/6, 7/8
          -Roll-off value: 0.35
 1      DVB-S2:
           - Outer/Inner FEC: BCH/LDPC
           - QPSK:1/4,1/3,2/5,1/2,3/5,2/3,3/4, 4/5, 5/6,8/9, 9/10
           - 8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
           - 16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
           - 32APSK: 3/4, 4/5, 5/6, 8/9, 9/10
           - Supported DVB modes:
 1  CCM: Constant Coding and Modulation,
 1  VCM: Variable Coding and Modulation,
 1  ACM: Adaptive Coding and Modulation
           - Short and long frames
           - Roll-off values: 0.20, 0.25, 0.35
           - Pilots ON or OFF
 1  Bandwidth: 1 - 55MHz
 1  Variable symbol rate up to 45 Mbaud

RF Output:
   1   
Central frequency: 950MHz to 2150MHz by 1Hz step
 1  Signal level(Main): 0dBm +/- 1dB
 1  Attenuation adjustable 0 to -20dBm by 0.1dB step
 1  Signal stability: +/- 0.1dB/10℃, +/-0.2Hz
 1  SNR: >34dB
 1  Shoulder: >45dB
 1  H2 rejection: < -45d
 1  BSpurious: 50dBc relative to the total power
 1  Phase Noise:
           - @10Hz < -65 dBc/Hz
           - @100Hz < -70 dBc/Hz
           - @1KHz < -80 dBc/Hz
           - @10KHz < -90 dBc/Hz
           - @100KHz < -100 dBc/Hz
           - @1MHz < -120 dBc/H
 1  zConnector type: N female, Impedance 50 Ohm

RF Monitor Signal
   1    
Output level : -20dB than main output
 1  Connector: BNC female,
 1  Impedance 75 Ohm

Alarm and Control:
   1    
Local control: 3 LEDs indicators
 1      Remote control via RS232/RS485 or IP Web browser, SNMP optio
 1  nProtocol: IEEE802.3, IPv4, IPv6,XML, TFTP, NTP
 1  Stream encapsulation: RTP/UDP/IP

Physical conditions:
   1   
Power supply: AC 90-260V/50Hz, <40
 1  WOperating temperature: 0-50 degrees
 1  Storage temperature: -20-60 degree
 1  sDimension: L=350mm, W=450mm, H=44mm (1RU)
 1  Weight: Net 8 kg, Gross 10 kg

 

 
 
 
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