Product Description

JXDH****2 QAM Modulator JXDH****2 QAM Modulator, is the main equipment CATV digital head-end, receiving DVB transport streams which come from coder, multiplexer, DVB gateway, scrambler, video server etc. It does signal processing like RS coding, convolution interleaving and QAM modulating, providing IF/RF ***** DVB standard signal channel coding. Features: *Support full range variable data rate, bandwidth and QAM mode Data stuffing super buffer (optional), anti-burst code stream *PID filter, re-reflection, PSI, SI information synchronal updating possible. *Automatically code stream stuffing and empty pocket deleting. *Code stream real-time monitoring, empty pocket filtering *Support NIT table modifying real-time code stream monitoring *PCR adjusting, output symbol rate variable:**7Ms/s; *Fixed or agile channel output; *Providing ASI and Ds3 port and output port (optional) *Providing RF output monitoring port(**0dB); *Local or Remote administration possible. *LCD display, flexible in operating *High reliability design, stable in running Specifications: Modulating mode: *6, *2, *4, **8, **6QAM Symbol rate:3~7Mbauds Correction coding: RSCoding**8/**4 Input data rate:1.5~*1Mbps Channel data rate: *0~*6Mbps MER:>*3dB BER:0 Input interface: ASI/BER:DVB standard Output IF Frequency: *6/*6.*5/*6.*5/*0MHz(Optional) RF Frequency: *7~**0MHz Output Level: ≥**5dBμV Output Level adjustable: *5Ω***6dB(0.5dB stepping) Impedance: *5Ω Output return loss: ≥*2dB Dimension: *4mmx**2mmx**0mm Temperature: ***5(Operating) *****0(Storage) Power: **0VAC?*0%, *0Hz, *5W