真牛论坛怎么了

PCB设计中眼图居然还能这么用

time : 2019-04-29 10:24       作者:凡亿pcb

  YANTU,SHIYOUYUSHIBOQIDEYUHUIZUOYONG,JIANGSAOMIAOSUODEDEMEIYIGEMAYUANBOXINGZHONGDIEZAIYIQI,CONGERXINGCHENGYANTU。BENWENJIANGDAILINGDAJIALEJIEPCBSHANGDEYANTUSHISHENME,YANTUSHIZENYANGXINGCHENGDE,YANTUZHONGBAOHANYOUNAXIEXINXI,RUHEGENJUYANTUQINGKUANGFEN BIANXINHAOZHILIANG。

  tips1 YANTUDEDINGYI

  YANTUSHIZHILIYONGSHIYANDEFANGFAGUJIHEGAISHAN(TONGGUODIAOZHENG)CHUANSHUXITONGXINGNENGSHIZAISHIBOQISHANGGUANCHADAODEYIZHONGTUXING。GUANCHAYANTUDEFANGFASHI:YONGYIGESHIBOQIKUAJIEZAIJIESHOULVBOQIDESHUCHUDUAN,RANHOUDIAOZHENGSHIBOQISAOMIAOZHOUQI,SHISHIBOQISHUIPINGSAOMIAO ZHOUQIYUJIESHOUMAYUANDEZHOUQITONGBU,ZHEISHISHIBOQIPINGMUSHANGKANDAODETUXINGXIANGRENDEYANJING,GUCHENG WEI “YANTU”。CONG“YANTU”SHANGKE YIGUANCHACHUMAJIANCHUANRAOHEZAOSHENGDEYINGXIANG,CONGERGUJIXITONGYOULIECHENGDU。LINGWAIYEKEYIYONGCITUXINGDUIJIESHOULVBOQI DETEXINGJIAYIDIAOZHENG,YIJIANXIAOMAJIANCHUANRAOHEGAISHANXITONGDECHUANSHUXINGNENG。

  

  tips 2 YANTUDEXINGCHENG

  DUIYUSHUZIXINHAO,QIGAODIANPINGYUDIDIANPINGDEBIANHUAKEYIYOUDUOZHONGXULIEZUHE。YI3GEbitWEILI,KEYIYOU000-111GONG8ZHONGZUHE,ZAISHIYUSHANGJIANGZUGOUDUODESHANGSHUXULIEANMOUYIGEJIZHUNDIANDUIQI,RANHOUJIANGQIBOXINGDIEJIAQILAI,JIUXINGCHENGLEYANTU。RUXIATU。DUIYUCESHIYIQIERYAN,SHOUXIANCONGDAICEXINHAOZHONGHUIFUCHUXINHAODESHIZHONGXINHAO,RANHOUANZHAOSHIZHONGJIZHUNLAIDIEJIACHUYANTU,ZUIZHONGYUYIXIANSHI。

  

真牛论坛怎么了  tips 3 YANTUZHONGBAOHANDEXINXI

真牛论坛怎么了  DUIYUYIFUZHENSHIDEYANTU,RUXIATU,SHOUXIANWOMENKEYIKANCHUSHUZIBOXINGDEPINGJUNSHANGSHENGSHIJIAN(Rise Time)、XIAJIANGSHIJIAN(Fall Time)、SHANGCHONG(Overshoot)、XIACHONG(Undershoot)、MENXIANDIANPING(Threshold/Crossing Percent)DENGJIBENDEDIANPINGBIANHUANDECANSHU。

  

  SHANGSHENGSHIJIAN(Rise Time):MAICHONGXINHAODESHANGSHENGSHIJIANSHIZHIMAICHONGSHUNSHIZHIZUICHUDAODAGUIDINGXIAXIANHEGUIDINGSHANGXIANDELIANGSHUNSHIZHIJIANDEJIANGE。CHULINGYOUGUIDINGZHIWAI,XIAXIANHESHANGXIANFENBIEDINGWEIMAICHONGFENGZHIFUDUDE10%HE90%。

真牛论坛怎么了  XIAJIANGSHIJIAN(Fall Time):MAICHONGXINHAODEXIAJIANGSHIJIANSHIZHICONGMAICHONGFENGZHIFUDUDE90%XIAJIANGDAO10%SUOJINGLIDESHIJIANJIANGE。

真牛论坛怎么了  SHANGCHONG(Overshoot)YEJIAOGUOCHONGJIUSHIDIYIGEFENGZHIHUOGUZHICHAOGUOSHEDINGDIANYA,ZHUYAOBIAOXIANWEIYIGEJIANDUANMAICHONG,BINGQIENENGDAOZHIDIANLUYUANQIJIANDESHIXIAO。

  XIACHONG(Undershoot)SHIZHIXIAYIGEGUZHIHUOFENGZHI。GUOFENDEGUOCHONGNENGGOUYINQIBAOHUERJIGUANGONGZUO,DAOZHIGUOZAODISHIXIAO。GUOFENDEXIACHONGNENGGOUYINQIJIADESHIZHONGHUOSHUJUCUOWU。

真牛论坛怎么了  MENXIANDIANPING(Threshold/Crossing Percent)SHIZHIZAIXITONGCHUANSHUTEXINGLIEYUMOUYITEDINGWUMALVDEQINGKUANGXIA,SHOUXINJISUONENGDADAODEZUIDIJIESHOUDIANPING;

真牛论坛怎么了  tips 4 RUHEGENJUYANTUQINGKUANGFENBIANXINHAOZHILIANG

  XINHAOBUKENENGMEICIGAODIDIANPINGDEDIANYAZHIDOUBAOCHIWANQUANYIZHI,YEBUNENGBAOZHENGMEICIGAODIDIANPINGDESHANGSHENGYAN、XIAJIANGYANDOUZAITONGYISHIKE。YOUYUDUOCIXINHAODEDIEJIA,YANTUDEXINHAOXIANBIANCU,CHUXIANMOHU(Blur)DEXIANXIANG。SUOYIYANTUYEFANYINGLEXINHAODEZAOSHENGHEDOUDONG:ZAIZONGZHOUDIANYAZHOUSHANG,TIXIANWEIDIANYADEZAOSHENG(Voltage Noise);ZAIHENGZHOUSHIJIANZHOUSHANG,TIXIANWEISHIYUDEDOUDONG(Jitter)。RUXIATUSHI。

  

  DANGCUNZAIZAOSHENGSHI,ZAOSHENGJIANGDIEJIAZAIXINHAOSHANG,GUANCHADAODEYANTUDEXIANJIHUIBIANDEMOHUBUQING。RUOTONGSHICUNZAIMAJIANCHUANRAO , “YANJING”JIANG ZHANGKAIDEGENGXIAO。YIBANYANTUDEYANJINGZHENGDEYUEDA,YANTUYANGAOYUEGAO,DAIBIAOXINHAOZHILIANGYUEHAO。ZUOXINHAOFANGZHENKEYIHUOQUYANTUQINGKUANG,RANHOUGENJUYANTUQINGKUANGPANDUANXINHAODEZHILIANG,RUGUOYANTUQINGKUANGBUHAO,KEYIDIAOZHENGYINGJIANSHEJIHUOZHEPCBSHEJI,SHIYANTUYANGAOBIANGAO,BAOZHENGSHENGCHANCHUDECHANPINXINHAOZHILIANG。

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  MEITIANXUEXIYIGEJIQIAO,RIJIYUELEINIYESHIZHUANJIA!

真牛论坛怎么了  SHIYONGQIANQINGNINXIANYUEDUYIXIATIAOKUAN:

真牛论坛怎么了  1、ZHUANZAIBENZHANTIGONGDEZIYUANQINGWUSHANCHUBENSHUOMINGWENJIAN。

真牛论坛怎么了  2、FENXIANGJISHUWENDANGYUANZIFANYIJIAOYUJISHUJINGYANZONGJIEFENXIANG!

  3、BIAOSHUGUANDIANJINDAIBIAOWOFANGJIANYI,BUDUIZHIJIEYINYONGZAOCHENGSUNSHIFUZE!