【厂家研发】数字电视前端QAM调制器(带解调复用加扰调制多功能)

型号	S506A	重量	7（kg）
输出符号率	1~7MS/s(PAL)	电压	220（V）
外形尺寸	48.3*40.0*4.4（cm）	包装	纸
输出频率范围	45~860MHz捷变频，步进100MHz

QAM(DVB-C)μ÷???÷￡¨′??aμ÷?′ó??óè??à1|?ü￡? QAM(DVB￡-C)μ÷???÷3y?ù±?QAMμ÷??1|?üía,?1?é???ˉ3é?aμ÷?￠?′ó??￠?óè?μè1|?ü?￡?§3?1??μ÷D3?÷ê?è?oí2??ASIμ?í?ê±ê?è?,?ù?′ó??°?óè?oó??DDQAMμ÷??ê?3??￡??D??üμ??Y±??μêy×?μ÷??,??μ÷???ó???ê?￠????±è?￠?à????éù?￠·ù?è?ó2?μèD??ü??±êó?á??￡ò?ì¨éè±??à??1|?ü￡??àμ±óú4ì¨μ￥ò?1|?üéè±?￡?ó?ò?ì¨×éo?1|?üQAMμ÷???÷￡??éê?è￥ò?ì¨??á÷?óê??ú+1ì¨?′ó??÷+1ì¨?óè??ú12??3ì¨éè±?￡?·?3￡·?±?èy??êD?ú·?éè±????¤?￡éè±??y??í?éè±?oó??°??ó?úí?ì?μ???1?·μ÷D3?÷ê?è?,?§3?DVB-C?￠DVB-T?￠DVB-S?￠DVB-S2??2?·?àá￠TSá÷ê?è???3?·ê?è?￡¨1?·μ÷D3?÷ê?è?, 2?·?àá￠TSá÷ê?è?￡?μ??′ó?1|?ü???§3?í¨ó??óè?,?§3?í??ü???§3?PSI/SI′|àí, PCRD￡?y???§3?è?òaPID1y??oíó3é???·?o?DVB-C±ê×?ETSI/EN 300 429???§3?í???1üàí1|?ü?-àí?°?òí? ?′ó??÷ê?3?μ?TS′?ê?á÷?ú?íè?D?μà′?ê??°±?D???êy×???á÷μ÷??μ?êêo?D?μà′?ê?μ???2¨é??ò±????aêêo?D?μà′?ê?μ?D?ê??￡?aá?ìá???μ?×à?ó??ê￡?±?D?2éó??à????μ?μ÷??·?·¨￡??a?ù?úò??????aé??éò?′?ê??à??±èì?￡??éò??μμí???êoíD?μà′??í￡?QAMμ÷???íê?3￡ó?μ??à????μ÷??·?·¨￡??ü2éó?·ù?è?￠?à??áao?μ÷??μ???ê?￡?à?ó???2¨μ?·ù?èoí?à??à′′?μYD??￠±èì?QAMμ÷???÷?ü?§3?16QAM￡?32QAM￡?64QAM￡?128QAMoí256QAM?à??μ÷??·?ê??￡??ê?2?êyDVB-C (QAM)?aμ÷ê?è?·?o??ê 1~7MS/s(PAL), 1~6MS/s(NTSC)?aμ÷·?ê? 16/32/64/128/256QAM′??í 6M?ò7M?ò8Mê?è??μ?ê 50~860MHzê?è?μ??? -25~20dBmVê?è?×è?1 75Ω,IECDí(7/8MHz)?òFDí(6MHz)DVB-T (COFDM)?aμ÷?aμ÷·?ê? COFDM(±à???y???μ·??′ó?)μ÷??·?ê? QPSK, 16-QAM, 64-QAM′??í 8 MHz??2¨?￡ê? 2K/8K±￡?¤???? 1/4, 1/8, 1/16, 1/32, offFEC?a???ê 1/2, 2/3, 3/4, 5/6, 7/8ê?è??μ?ê 470~862MHz?￠174~230MHzê?è?μ??? -20~-70dBmVê?è?×è?1 75Ω,IECDí(7/8MHz)?òFDí(6MHz)DVB-S (QPSK)?aμ÷ê?è??μ?ê 950~2150MHzê?è?μ??? -65dBm~-25dBmê?è?×è?1 75Ω ,ó￠??Fí··?o??ê 2~45MBauds (SCPC?òMCPC)1??μ?μêy 0.35Viterb?à′í?? 1/2 , 2/3 , 3/4 , 5/6 , 7/8DVB-S2?aμ÷￡¨??èYDVB-S￡?ê?è??μ?ê 950~2150MHzê?è?μ??? -65dBm~-25dBmê?è?×è?1 75Ω ,ó￠??Fí··?o??ê 1~45MBauds (8PSK)?aμ÷·?ê? 8PSK/QPSKFEC?a??DVB-S2: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10DVB-S: 1/2, 2/3, 3/4, 5/6, 7/8?′ó??￡?é3???PSI/SI±í??±à?-1üàí1|?ü,êμ???′?óμ?PSI/SI′|àí?§3?PIDoíService IDμ?ó3é??￠PCRD￡?y?§3?è?òaPIDí?′??§3?êy?Y1?2￥?￠EPGoí??óDêy?Y2?è??§3?′óò?ì?í??óê?êy?Y2￠?????′ó???TSá÷?D???·ê?è??￠ê?3????ê×????é′?200Mbpsê?è?TSá÷°ü3¤(188/204)×?êêó|,ê?3?°ü3¤?ééè???óè??￡?é?????¨?ú??oí′?ê?á÷??DDêμê±?óè?·?o?DVBí¨ó??óè???·¨DVB-CSA?§3?DVBí??ü?ó?ú,??èY?à??CASì??t?óê??μí3ê?è?óDD§???ê1~60Mbps?é·￠?í1ì?¨?ò?é±?????×??óè?,?óè??ü?ú×?D??a5???§3????ê×?êêó|, PCRD￡?y×??à?é??100??2?í?μ??ú???óè?,?§3?PID?óè?·?ê?′|àíoí?′ó?ó?CA?à1?μ?PSI/SID??￠QAMμ÷???￡?éμ÷??·?ê?16, 32, 64, 128, 256, 64B, 256BQAMê?3?·?o??ê1~7MS/sI/Q·ù?è??ò?<0.1%I/Q?à???ó2?<0.1°?à?????ˉ<0.5°RMSμ÷???ó2??êMER >35dB(256QAM)ê?3??μ?ê(?Y±?) 45~860MHzê?3????ú75Ω F-Femaleê?3?μ???77~106dBμV (?éμ÷, 0.5dB2???)é??μ′?íaò???>55dBcê?3?·′é??eo?≥14dB??àí?ó?úTSá÷ê?è? BNC?ó?ú, 75Ωé??μê?è? FDí, 75ΩTSá÷ê?3? BNC?ó?ú, 75Ω?D?μ?àêóê?3? BNC?ó?ú, 75Ωé??μê?3? FDí, 75Ωí????ó?úò?ì?í??ó?ú(RJ45?ó?ú, 10/100M×?êêó|)??àí2?êy??DD???è 5~45°C′?′￠???è -25~80°Cêa?è10~75%1?μ?AC90~260V , 50/60Hz1|o? 40WíaDí3?′?483×400×44mm??á? 7kg1|?üê?òaí?ó|ó?ê?òaí?