| 原産地: | 中国(本土) | 銘柄: | colable | モデル番号: | col5502 | 標準: | に準拠したdvb- s2( en302307)、 と互換性がありdvb-s( en300421) | 変調: | Dvb-s2qpsk変調 | 入力: | asi規格コネクタ | 出力: | n型50Ω、 rf出力 | 高周波: | から950から2150mhzの、 調節可能な |
仕様
QPSK DVB-S2 uplink modulator
Outline
The COL5502 DVB-S2 uplink modulator is a high performance modulator developed according to DVB-S2 (EN302307) standard which is the standard of second generation of the European broadband satellite telecommunication. It adopts advanced framing structure, channel coding and modulation technology, increasing over 50% transmission ability more than DVB-S modulator under the same transmission condition .
Features
ü Fully complying with DVB-S2(EN302307) standard
ü Backwards-compatible with DVB-S (EN300421) modulating standard
Specifications
MPEG-TS Input | Supporting both packet and byte mode TS input | |
Supporting 188/204Byte transmission stream packet | ||
Two ASI inputs, supporting hot backup | ||
ASI input connector: BNC, impedance 75Ω | ||
RF Output | Frequency is continuously adjustable from 950 to 2150MHz | |
Output Level attenuation is continuously adjustable from 0 to 31.5 dB; in step of 0.5 dB. | ||
Maximum Output level: 0dBm | ||
MER≥32dB | ||
Connector: N type, impedance 50Ω | ||
Coupling power supply: 24V/2A DC output | ||
Coupling reference clock: 10MHz reference clock output | ||
Channel coding and modulation | Outer coding | DVB-S2 |
BCH coding | ||
Inner coding | LDPC coding | |
Code Rate | 1/2,3/5,2/3,3/4,4/5,5/6,8/9,9/10 | |
Constellation | QPSK,8PSK | |
Roll-off Factor | 0.2, 0.25, 0.35 | |
Symbol Rate | 1~30M@8PSK; 1~45 M@QPSK | |
Miscellaneous | Dimension | 44mm×482mm×410mm |
