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4-channel QAM Modulator
4-channel QAM Modulator

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maximal 4-channel TS input;
Output 4 neighbour frequencies;
RF and IF output after receiving the SPTS or MPTS;

TheV-SHINE®NVQM-4 4-channel QAM Modulator is a high-performance QAM modulator with frequency agility, using the complete digital modulation and the high/middle frequency technology and supporting ASI and DS3 signal input. It could also implement the independent input of multi-TS, execute the static PSI/SI and finish the PID remapping and filtering. There are RF and IF output after receiving the SPTS or MPTS, RS encoding and modulation, finally to  the DVB application system such as HFC or MMDS.



Complies with DVB-C ETSI/EN 300 429, Support ITU-T J.83 Annex A/C

Constellation: 16/32/64/128/256QAM

Symbol rate: 2.4MS/s~7MS/s

Pre-distortion filtering, non-linear compensated RF

Output frequency: 24MHz~860MHz, with frequency agility, minimal step 100KHz

RF output amplitude 95dBμV~114dBμV 4-channel TS independent inputs

DS3 input (optional)

Multiplexing of ASI input signals & multiplexing of the ASI and DS3 signals(optional)

RF output cut off available

PSI/SI editing and parsing

Filtering of PIDs in separate sections & PID remapping

V-SHINE® NMDVS management software

SNMP support

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