Description

JXDH****2 QAM Modulator Outline: 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 xxxxx DVB standard signal channel coding. JXDH****2(A) QPSK Modulator Outline QPSK digital TV modulator adopts advanced digital signal processing technology, of which receiving port can directly use digital satellite receiver for receiving, thus fully complying DVB-S standard. Not only can it gain relatively high frequency spectrum usage ratio, having very strong anti-interference and relatively high price performance ratio, but also it can well comply analogue FM microwave equipment. QPSK digital TV modulator adopts various processing method, such as random energy spread processing, RS coding, convolution interweave, contracting convolution coding, and pre-modulating baseband shaping processing, etc. all these contribute a high guarantee to the data transmitting performance. In a word, its a high performance QPSK modulator fortransmitting digital TV and other digital signal. Features: * Complying DVB-SETS******1 QPSK modulating standard * IF output frequency range **0MHZ~**0MHZor**0MHz~***0MHz * Build-in frequency synthesizer, support uplink frequency conversion in U bandor L band * Ports complying ASI, SPI standard * Achieving MMDS effect with FM microwave