新疆喜乐彩走势图

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降低电源纹波噪声只需三步
2018-8-10 20:49:45      点击:



新疆喜乐彩走势图    




新疆喜乐彩走势图   ZAIYINGYONGDIANYUANMOKUAICHANGJIANDEWENTIZHONG,JIANGDIFUZAIDUANDEWENBOZAOSHENGSHIDADUOSHUYONGHUDOUGUANXINDE。NEIMEMOKUAIDEWENBOZAOSHENGGAIRUHEJIANGDI?XIAWENWEIDAJIACONGWENBOZAOSHENGDEBOXING、CESHIFANGSHI、MOKUAISHEJIJIYINGYONGDEJIAODUCHUFA,CHANSHUJIZHONGYOUXIAOJIANGDISHUCHUWENBOZAOSHENGDEFANGFA。




新疆喜乐彩走势图    




  一、电源的纹波与噪声介绍




  WENBOHEZAOSHENGJI:ZHILIUDIANYUANSHUCHUSHANGDIEJIADEYUDIANYUANKAIGUANPINLVTONGPINDEBODONGWEIWENBO,GAOPINZAYINWEIZAOSHENG。JUTIRUTU1SUOSHI,PINLVJIAODIQIEYOUGUILVDEBODONGWEIWENBO,JIANFENGBUFENWEIZAOSHENG。




新疆喜乐彩走势图    




  




  TU1




   




  二、纹波噪声的测试方法




新疆喜乐彩走势图   DUIYUZHONGXIAOWEIGONGLVMOKUAIDIANYUANDEWENBOZAOSHENGCESHI,YENEIZHUYAOCAIYONGPINGXINGXIANCESHIFAHEKAOJIEFALIANGZHONG。QIZHONG,PINGXINGXIANCESHIFAYONGYUYINJIAOJIANJUXIANGDUIJIAODADECHANPIN,KAOCEFAYONGYUMOKUAIYINJIAOJIANJUXIAODECHANPIN。




   




  DANBUGUANYONGPINGXINGXIANCESHIFAHAISHIKAOCEFA,DOUXUYAOXIANZHISHIBOQIDEDAIKUANWEI20MHz。JUTIRUTU2HETU3SUOSHI。




   




  




  TU2 PINGXINGXIANCESHIFA




新疆喜乐彩走势图    




  ZHU1:C1WEIGAOPINDIANRONG,RONGLIANGWEI1μF;C2WEITANDIANRONG,RONGLIANGWEI10μF。




   




  ZHU2:LIANGPINGXINGTONGBODAIZHIJIANDEJULIWEI2.5mm,LIANGPINGXINGTONGBODAIDEDIANYAJIANGZHIHEYINGXIAOYUSHUCHUDIANYADE2%。




新疆喜乐彩走势图    




  




  TU3KAOCEFA




   




  三、去除地线夹测试的区别




  CESHIWENBOZAOSHENGXUYAOBADIXIANJIAQUDIAO,ZHUYAOSHIYOUYUSHIBOQIDEDIXIANJIAHUIXISHOUGEZHONGGAOPINZAOSHENG,BUNENGZHENSHIFANYINGDIANYUANDESHUCHUWENBOZAOSHENG,YINGXIANGCELIANGJIEGUO。XIAMIANDETU4HETU5FENBIEZHANSHILEDUITONGYIGECHANPIN,SHIYONGDIXIANJIAJIQUXIADIXIANJIACESHIDEJUDACHAYI。




新疆喜乐彩走势图    




  




新疆喜乐彩走势图   TU4 SHIYONGDIXIANJIACESHI-SHIBOQICHUIZHIFENBIANLV200mv/div




   




  




  TU5 QUCHUDIXIANJIACESHI-SHIBOQICHUIZHIFENBIANLV50mv/div