4in1/8in1/8in2 ASI multiplexer

Quick Detail

Package & Delivery Lead Time

Detailed Description

QAM modulator multiplexer scrambler: Feature ü Output symbol rate 4.2~7Mbaud/s ü Bit rate range of input data:1.5~51.6Mbps ü Bit rate range of output data:15.5~56Mbps ü support ITU-T J.83 A,B and C ü 188 /204 packet automatic identification ü Error-correction codes completely fulfill DVB-C Standard ü Modulating modes :16QAM,32QAM,64QAM,128QAM,256QAM ü Multi-way input interface: ASI(DS3/E3 optional) ü Multi-way RF mixed output: ASI(DS3/E3 optional) ü (BW) range of output signal 4.83~8.05MHz (Roll-off factor:0.15) ü RF range:30~900MHz, 4 frequency points select output ü Output level range: 86dBuV~106dBuV(0.5dBuV step), gain tuning(-2.5~10.5dB) ü Large buffer memory, the ASI interface support both outburst and well-distributed code stream and uniform the code to improve the code rate. ü TS stream modulator have direct connection, multiplexing and scrambling function ü NIT mapping and sending, support 45 NIT mapping ü 8 group PID filtering and re-mapping ü PSI/SI information table pick-up, parse and modification ü SI information replacement and insert ü Input data null packet filtering and output data filling. ü PCR correction ü Show and inspect system input bit rate and valid bit rate real time ü adaptive filter circuit design to ensure excellent band rejection ü Providing RF output monitoring port(-20dB) ü Power off memory ü Error alarming ü LCD display ü Network control interface realizes remote maintenance, supervision and software upgrade Specification ASI interface(Asynchronous Serial interface) input(4 in1, 8 in 1) Connector Impedance Packet format Access data rate Max valid bit rate BNC 75Ω 188/204 bits 270Mbps 51.6Mbps DVB standard Loop output(optional) Connector Impedance Packet format Access data rate Max valid bit rate BNC 75Ω 188/204 bits 270Mbps 51.6Mbps DVB standard, support both outburst and well-distributed code stream Note: the length between cable and signal 20m, cable diameter> 3, 75Ω coaxial cable E3and DS3 interface(optional) input (G.703 standard , 2 routes) Connector Impedance Packet format BNC 75Ω 188 or 204 bits Data rate E3/DS3(34.368Mbps/44.736Mbps) output (Loop out,2 routes) Connector Impedance Packet format BNC 75Ω 188 or 204 bits Data rate E3/DS3(34.368Mbps/44.736Mbps) Note: the length between cable and signal 20m, cable diameter> 3, 75Ω coaxial cable RF output interface 2 RF output, one main out, one for monitoring Connector Impedance BNC 75Ω Range of frequency out put 30MHz-900MHz Reflection loose ≥12dB carrier suppression >58dB (MER) SNR(out of band) GB ≥38dB ≥50dB -2.5~10.5dB(step: 0.25dB) Main road output level 86-106dBuV(4 channel ,0.5dB stepping) To know more details welcome to contact our salesman. Castar technology Co,.LTD

Basic Company Information

Castar Technology Co,.LTD

Company Advantage

Detail Company Introduction