Modulator,RF modulator,catv modulator,DVB-S uplink Modulator COL5501
Negotiable /Unit
Min.Order:1 Unit
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COL5501 DTV Equipment DVB-S/DVB-S2 RF Modulator,Satellite TV Equipment QPSK Modulator
Outline
The COL5501 DVB-S 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.
Features
Fully complying with DVB-S2(EN302307) standard
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-S |
Inner coding | Convolutional | |
Code Rate | 1/2,2/3,3/4,5/6,7/8 | |
Constellation | QPSK | |
Roll-off Factor | 0.2, 0.25, 0.35 | |
Symbol Rate | 1~45MBauds |