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电位器的选用和代换的注意事项有哪些

来源:友兴达电子人气:68发布时间:2018-12-24 10:19

  电位器是我们在生活当中常常使用的电子元器件,那么大家对电位器的选用与代换的注意事项有多少了解呢。一般来说,电位器发生损坏,我们需要寻用型号完全相同的进行代换。若暂时找不到型号完全相同的,则所选用的电位器应与损坏的那个尺寸一致,阻值调节范围等于或略小于,以确保电路能够承受代换后其的阻值变化范围。

   (1)电位器的选用要注意对结构的要求

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  (2)电位器的选用要根据用途阻值变化特性

  DIANWEIQIDEZUZHIBIANHUATEXING,YINGGENJUYONGTULAIXUANZE。BIRU,YINLIANGKONGZHIDEDIANWEIQIJIANYIXUANYONGZHISHUSHIDIANWEIQI,ZAIWUZHISHUSHIDIANWEIQIDESHIHOUYEKEYIXUANZEZHIXIANSHIDIANWEIQIDAITI,DANSHIBUJIANYIXUANYONGDUISHUSHIDIANWEIQI,YINWEIZHEIYANGJIANGHUISHIYINLIANGCIJIEFANWEIBIANXIAO。ZUOFENYAYONGDEDIANWEIQIKEYIZHIXIANSHIDIANWEIQI,ZUOYINDIAOKONGZHIDEDIANWEIQIYINGKEYIXUANYONGDUISHUSHIDIANWEIQI。

  (3)电位器的选用要根据使用要求

疯狂赛车官网   HECHENGTANMODIANWEIQISHIHEZAIYIBANYAOQIUBUGAODEDIANLUZHONG,HUOSHIYONGHUANJINGJIAOHAODECHANGHEZHONGSHIYONG。HECHENGTANMODIANWEIQIGUANGFANYINGYONGZAISHINEIGONGZUODEJIAYONGDIANQISHEBEISHANG,YINWEIQIJUYOUFENBIANLVGAO、ZUZHIFANWEIKUAN、PINZHONGXINGHAOQIQUAN,JIAGEBIANYIDETEDIAN,DANYOUNAISHIXINGHEWENDINGJIANCHADEQUEDIAN。HECHENGTANMODIANWEIQIKEYIYINGYONGYUBANDAOTISHOUYINJIYONGDEDAIKAIGUANDEYINLIANGDIANWEIQI。ZHIHUASHITANMODIANWEIQIKEYIYINGYONGYUDIANSHIJIZHONGDEDIANLIANGDIAOJIE。QITAJIAYONGDIANQIZHONGDEGAOFUZAIJIWEIDIAODIANWEIQIYEKEXUANYONGHECHENGTANMODIANWEIQI。LINGWAIHECHENGTANMODIANWEIQIDEJIXIESHOUMINGZHANG,KEYISHIYONGZAIYAOQIUNAIMOSHOUMINGZHANGDEDIANLUZHONG。

  XIANRAODIANWEIQISHIYONGYUXUYAOJINGMIDIDIAOJIEDEDIANLU,ERQIEXIAOHAODEGONGLVJIAODA。。XIANRAODIANWEIQIYOUYUFENBUCANSHUJIAODA,ZHISHIYONGYUDIPINDIANLU,SUOYIZAIGAOPINDIANLUZHONGBUYIXUANYONGXIANRAODIANWEIQI。CIWAIXIANRAODIANWEIQIDEZAOSHENGXIAO,DUIYAOQIUZAOSHENGDIDEDIANLUKEXUANYONGZHEILEIDIANWEIQI。

  (4)要根据电路的要求选择电位器的参数

  DIANWEIQIDECANSHUZHUYAOYOUBIAOCHENGZUZHI、JIAOGAOGONGZUODIANYA、XIANXINGJINGDUEDINGGONGLV、YIJIJIXIESHOUMINGDENG,TAMENSHIXUANYONGDIANWEIQIDEYIJU。DANGGENJUSHIYONGYAOQIUXUANZEDIANWEIQIDELEIXINGHOU,JIUYAOGENJUDIANLUDEYAOQIUXUANZEDIANWEIQIDEJISHUJIXINGNENGCANSHU。BUTONGDIANWEIQIDEJIXIESHOUMINGYEBUXIANGTONG,YIBANHECHENGTANMODIANWEIQIDEJIXIEJIAOZHANG,KEGAODA20WANZHOU,ERBOLIYOUDIANWEIQIDEJIXIEKAOMINGJINWEI100-200ZHOU。WOMENKEYIGENJUDIANLUDUINAIMOXINGDEBUTONGYAOQIU,XUANYONGBUTONGJIXIESHOUMINGCANSHUDEDIANWEIQI。

疯狂赛车官网   JIANYIDAJIAZAISHIYONGDIANWEIQIZHIQIANYINGXIANDUIQIZHILIANGJINXINGJIANCHA。SHOUXIANWOMENKEYIJIANCHAZHOUBINGSHIFOUNENGGOULINGHUOZHUANDONG、SONGJINCHENGDUSHIFOUSHIDANG,YOUMEIYOUJIXIEZASHENG。QICI,WOMENKEYIYONGWANYONGBIAOJIANCHATADEBIAOCHENGDIANZUZHISHIFOUFUHEYAOQIU。DANGWOMENYONGWANYONGBIAOCELIANGDIANWEIQIGUDINGDUANYUHUADONGDUANJIEXIANPIANJIANDEDIANZUZHI,ZAIHUANMANXUANZHUANDIANWEIQIXUANBINGZHOUSHI,BIAOZHENNENGGOUPINGWENZHUANDONG、WUTIAOYUEXIANXIANGZESHUOMINGGAIDIANWEIQIDEZHILIANGZHENGCHANG。WOMENDEDIANWEIQIBUNENGCHAOFUZAISHIYONG,YAOZAIEDINGZHINEISHIYONG。DANGDIANWEIQIZUOBIANZUQIDIAOJIEDIANLIUSHIYONGSHI,YUNXUGONGHAOYINGYUDONGCHUDIANJIECHUDIANSHUADEXINGCHENGCHENGBILIDIJIANSHAO,YIBAOZHENGLIUGUODEDIANLIUBUCHAOGUODIANWEIQIYUNXUDEEDINGZHI,FANGZHIQIYINWEIJUBUGUOZAIERSHIXIAO。

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