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Chengdu Sochuang Electronics Co., Ltd
MR benter niu
3/F, Building12, Zone B, Qingyang Industrial Centralized Development Zone, Chengdu, China
86-028-87300776
MR benter niu
3/F, Building12, Zone B, Qingyang Industrial Centralized Development Zone, Chengdu, China
86-028-87300776
| Overview: QPSK modulator is one of the main equipment of cable digital TV headend, receiving data from the encoder, multiplexer, DVB gateway, scrambler, video server and other equipment of the DVB transport stream, make RS coding, convolution interleaving and QPSK modulation channel processing, and provide RF output. Features . Comply with DVB standard channel coding; . Support the full range of the variable symbol rate; . 8M cache, anti-burst stream; . Auto-filled streams filling and intelligent Null Packet removed; . PCR correction; . Local and remote control; . LCD display in English, easy and flexible to operate; Technical Specification: Modulation Mode QPSK Symbol rate 1~45Mbaud/s Error-correcting codes RS code188/204 Input bit rate 1.0~108Mbps Channel Data Rate 1~56Mbps PCR 111ns MER >32dB Input interface ASI (DVB standard) RF Frequency 450~950MHz (or 950-2150) Output LEV >=0dBmw Output LEV adjustable range 0-16 dB(0.5 dB stepping) Impedance 75Ω Output Return Loss >=12 dB General Features Size 44mm*482*410mm Environment 0 ~ 45(Operating);-20 ~ 80(Storage) Power 220VAC±10%,50Hz,25W Network Management: QPSK Modulator parameter |
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