CATV QAM Modulator(CABLE TV)

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JXDH-6302 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 output. Features ◆ Complying DVB standard signal channel coding. ◆ 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:1-7Ms/s； ◆ Fixed or agile channel output; ◆ Providing ASI and Ds3 input port and output port (optional) ◆ Providing RF output monitoring port（-20dB）； ◆ Local or Remote administration possible. ◆ LCD display, flexible in operating ◆ High reliability design, stable in running Specifications Modulating mode 16、32、64、128、256 QAM Symbol rate 3-7Mbaud/s Correction coding RS Coding188/204 Input data rate 1.5-51Mbps Channel data rate 20-56Mbps MBR >33dB BER 0 Input interface ASI DVB standard SPI Output IF Frequency 36/36.15/36.65/44/70MHz(Optional) RF Frequency 47-870Mhz Output Level ≥115dBμV Output Level adjustable 0-16dB(0.5dB stepping) Impedance 75Ω Output return loss ≥12dB Miscellaneous Dimension 44mmx482mmx410mm Temperature 0-45℃(Operating) -20-80℃(Storage) Power 220VAC±10%，50Hz，25W

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Chengdu JieXun Electronics Co.,Ltd

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