黄金岛棋牌游戏下载

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        1. 北京中鼎畅讯科技有限公司 于博士信号完整性 欢迎您!
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          接收端容性负载的反射

          时间:2016-11-28      浏览次数:

          XINHAODEJIESHOUDUANKENENGSHIJICHENGXINPIANDEYIGEYINJIAO,YEKENENGSHIQITAYUANQIJIAN。BULUNJIESHOUDUANSHISHENME,SHIJIDEQIJIANDESHURUDUANBIRANCUNZAIJISHENGDIANRONG,JIESHOUXINHAODEXINPIANYINJIAOHEXIANGLINYINJIAOZHIJIANYOUYIDINGDEJISHENGDIANRONG,HEYINJIAOXIANGLIANDEXINPIANNEIBUDEBUXIANYEHUICUNZAIJISHENGDIANRONG,LINGWAIYINJIAOHEXINHAOFANHUILUJINGZHIJIANYEHUICUNZAIJISHENGDIANRONG。

          黄金岛棋牌游戏下载HAOFUZA,ZHEIMEDUOJISHENGDIANRONG!QISHIHENJIANDAN,XIANGXIANGDIANRONGSHISHENME?LIANGGEJINSHUBAN,ZHONGJIANSHIMOUZHONGJUEYUANJIEZHI。ZHEIGEDINGYIZHONGBINGMEIYOUSHUOLIANGGEJINSHUBANSHISHENMEXINGZHUANGDE,XINPIANLIANGGEXIANGLINYINJIAOYEKEYIKANZUOSHIDIANRONGDELIANGGEJINSHUBAN,ZHONGJIANJIEZHISHIKONGQI,BUJIUSHIYIGEDIANRONGME。XINPIANYINJIAOHEPCBBANNEICENGDEDIANYUANHUODIPINGMIANYESHIYIDUIJINSHUBAN,ZHONGJIANJIEZHISHIPCBBANDEBANCAI,CHANGJIANDESHIFR4CAILIAO,YESHIYIGEDIANRONG。HEHE,GAOLAIGAOQU,HAISHIHUIDAOLEZUIJICHUDEBUFEN。GAOSHOUBUYAOXIAO,TAIJIANDANLE。BUGUOQUESHIHENDUORENKANDAOJISHENGDIANRONGJIUGANDAOYOUDIANYUN,LIJIEBUTOU,SUOYIZAIZHEILILUOSUOYIXIA。

          HUIDAOZHENGTI,XIAMIANYANJIUYIXIAXINHAOZHONGDUANDEDIANRONGYOUSHENMEYINGXIANG。JIANGMOXINGJIANHUA,YONGYIGEFENLIDIANRONGYUANJIANDAITISUOYOUJISHENGDIANRONG,RUTU1SUOSHI。

          2.jpg

          黄金岛棋牌游戏下载WOMENKAOCHABDIANDIANRONGDEZUKANGQINGKUANG。DIANRONGDEDIANLIUWEI:

          2.2.jpg

          SUIZHEDIANRONGDECHONGDIAN,DIANYABIANHUALVZHUJIANJIANXIAO(DIANLUYUANLIZHONGDESHUNTAIGUOCHENG),DIANRONGDECHONGDIANDIANLIUYEBUDUANJIANXIAO。JIDIANRONGDECHONGDIANDIANLIUSHISUISHIJIANBIANHUADE。

          DIANRONGDEZUKANGWEI:

          2.3.jpg

          YINCIDIANRONGSUOBIAOXIANCHULAIDEZUKANGSUISHIJIANBIANHUA,BUSHIHENGDINGDE。ZHENGSHIZHEIZHONGZUKANGDEBIANHUATEXINGJUEDINGLEDIANRONGDUIXINHAOYINGXIANGDETESHUXING。RUGUOXINHAOSHANGSHENGSHIJIANXIAOYUDIANRONGDECHONGDIANSHIJIAN,ZUICHUDIANRONGLIANGDUANDEDIANYAXUNSUSHANGSHENG,ZHEISHIZUKANGHENXIAO。SUIZHEDIANRONGCHONGDIAN,DIANYABIANHUALVXIAJIANG,CHONGDIANDIANLIUJIANXIAO,BIAOXIANWEIZUKANGMINGXIANZENGDA。CHONGDIANSHIJIANWUQIONGDASHI,DIANRONGXIANGDANGYUKAILU,ZUKANGWUQIONGDA。

          黄金岛棋牌游戏下载ZUKANGDEBIANHUABIRANYINGXIANGXINHAODEFANSHE。ZAICHONGDIANDEKAISHIYIDUANSHIJIAN,ZUKANGHENXIAO,XIAOYUCHUANSHUXIANDETEXINGZUKANG,JIANGFASHENGFUFANSHE,FANSHEHUIYUANDUANADIANDEXINHAOJIANGCHANSHENGXIACHONG。SUIZHEDIANRONGZUKANGDEZENGJIA,FANSHEZHUJIANGUODUDAOZHENGFANSHE,ADIANDEXINHAOJINGGUOYIGEXIACHONGHUIZHUJIANSHENGGAO,ZUIZHONGDADAOKAILUDIANYA。

          因此电容负载使源端信号产生局部电压凹陷。精确波形和传输线的特性阻抗、电容量、信号上升时间有关。

          DUIYUJIESHOUDUAN,HENMINGXIAN,JIUSHIYIGERCCHONGDIANDIANLU,BUSHIHENYANJIN,DANSHIHESHIJIQINGKUANGFEICHANGXIANGSI。DIANRONGLIANGDUANDIANYA,JIBDIANDIANYASUIRCCHONGDIANDIANLUDESHIJIANCHANGSHUCHENGZHISHUZENGJIA(JIBENDIANLUYUANLI)。YINCIDIANRONGDUIJIESHOUDUANXINHAOSHANGSHENGSHIJIANCHANSHENGYINGXIANG。

          RC充电电路的时间常数为 2.4.jpg这是B点电压上升到电压终值的 1/e即37%所需的时间。B点电压10%~90%上升时间为

          2.5.jpg

          RUGUOCHUANSHUXIANTEXINGZUKANGWEI50OUMU,DIANRONGLIANG10pF,ZE10~90CHONGDIANSHIJIANWEI1.1ns。RUGUOXINHAOSHANGSHENGSHIJIANXIAOYU1.1ns,NEIMEBDIANDIANYASHANGSHENGSHIJIANZHUYAOYOUDIANRONGCHONGDIANSHIJIANJUEDING。RUGUOXINHAOSHANGSHENGSHIJIANDAYU1.1ns,MODUANDIANRONGQIZUOYONGSHISHISHANGSHENGSHIJIANJINYIBUYANZHANG,ZENGJIAYUE1.1ns(SHIJIYINGBIZHEIGEZHIXIAO)。TU2XIANSHILEZHONGDUANDIANRONGFUZAIDUIQUDONGDUANHEJIESHOUDUANCHANSHENGYINGXIANGDESHIYITU,FANGZAIZHEILI,RANGDAJIANENGYOUGEGANXINGDERENSHI。

          2.6.jpg

          ZHIYUXINHAOSHANGSHENGSHIJIANZENGJIADEJINGQUEZHISHIDUOSHAO,DUIYUDIANLUSHEJILAISHUOMEIBIYAO,ZHIYAODINGXINGDEFENXI,YOUGEDAZHIDEGUSUANJIUKEYILE。YINWEIJISUANZAIJINGQUEYEMEISHIJIYIYI,DIANLUBANDECANSHUYEBUJINGQUE!DUIYUSHEJIZHELAISHUO,DINGXINGFENXIBINGLEJIEYINGXIANG,DAZHIGUSUANCHUYINGXIANGZAINEIGELIANGJI,NENGJIDIANLUSHEJITIGONGZHIDAOJIUKEYILE,QITADESHIRUANJIANLAIZUOBA。JUGELIZI,RUGUOXINHAOSHANGSHENGSHIJIAN1ns,DIANRONGSHIXINHAOSHANGSHENGSHIJIANZENGJIAYUANXIAOYU1ns,BIRU0.2 ns,NEIMEZHEIMEYIDIANDIANZENGJIAKENENGBUHUIYOUSHENMEYINGXIANG。RUGUODIANRONGZAOCHENGDESHANGSHENGSHIJIANZENGJIAHENDUO,NEIKENENGJIUHUIDUIDIANLUSHIXUCHANSHENGYINGXIANG。NEIMEDUOSHAOSUANHENDUO?KANKANDIANLUDESHIXUYULIANGBA,ZHEISHEJIDAODIANLUDESHIXUFENXIHESHIXUSHEJI。

          总之接收端电容负载的影响有两点:

          1、 SHIYUANDUAN(QUDONGDUAN)XINHAOCHANSHENGJUBUDIANYAAOXIAN。

          2、 JIESHOUDUANXINHAOSHANGSHENGSHIJIANYANZHANG。

          黄金岛棋牌游戏下载ZAIDIANLUSHEJIZHONGZHEILIANGDIANDOUYAOKAOLV。

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