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    MODEL: HQ-100

 


 QAM Modulator HQ-100

 

HQ-100 µðÁöÅÐ ºñµð¿À QAM Modulator´Â µðÁöÅÐ Áö»óÆÄ ÄÉÀ̺í¹æ¼Û Ç¥ÁØ ±Ô°ÝÀÎ ITU-T J.83¿¡ ºÎÇÕÇÏ´Â Àåºñ ÀÔ´Ï´Ù. 16, 32, 64, 128, 256QAMµî ITU-T J.83 Annex A/B/C¿¡¼­ ¿ä±¸ÇÏ´Â º¯Á¶ ¸ðµå¸¦ ¸ðµÎ Áö¿øÇϸç ÀÔ·Â ÀÎÅÍÆäÀ̽º´Â LVDS, ASI, QPSK tuner(¿É¼Ç)ÀÌ ÀÖ½À´Ï´Ù. 216 ~ 223 ±îÁöÀÇ PRBS ÆÐÅÏÀ» ÀÚü ¹ß»ý½ÃÅ°¸ç ÀÔ·ÂµÈ Æ®·£½ºÆ÷Æ® ½ºÆ®¸²À» QAMº¯Á¶ÇÏ¿© ³»ÀåµÈ ¾÷ÄÁ¹öÅ͸¦ ÅëÇÏ¿© ¿øÇÏ´Â ´ë¿ª(VHF/UHF)À¸·Î Àü¼ÛÀÌ °¡´ÉÇÕ´Ï´Ù.

 

 


¤ý Data input : ASI, LVDS(option), RF(QPSK, option)
¤ý Data output : RF
¤ý IF output (MHz) : 44 (default), 36.15 (option), 43.75 (option)
¤ý RF output level : -20 ~ 0dBm
¤ý RF output freq. : 54 ~ 860 MHz
¤ý Data clock polarity : High, low
¤ý Data rate : ASI (~55Mbps), LVDS (~100Mbps)
¤ý RF level control : Digital adjusted
¤ý Symbol rate : Up to 7.6 Msymbol/s
¤ý QAM mode : 4, 16, 32, 64, 128, 256QAM
¤ý FEC : Annex A/C (DVB, DAVIC), Annex B
¤ý Interleaving : 204 Reed-solomon, 188
¤ý Roll-off : 12, 15, 18 %
¤ý Spectrum inversion : Normal, Inverted
¤ý Mechanical : 1U rack type, 430(W) x 345(D) x 40(H) mm