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电位器阻值变化各种特性曲线的类型及特点

来源:百斯特电子发布时间:2013年10月17日

电位器阻值变化曲线类型

AXING:DIANZUZHIBIANHUAHEZHUANDONGJIAODUCHENGXIANXINGGUANXI,JIZHIXIANSHIDIANWEIQI,YONGZIMUXBIAOSHI。QITEDIANSHIXUANDONGDIANWEIQIZHOU,ZUZHIBIANHUAJUNYUN,R=k*θ。DIANZISHEBEIZHONGDEFENYADIANLUDUOXUANYONGAXINGDIANWEIQI。XIANRAOSHIDIANWEIQIDADUOWEIAXINGDIANWEIQI。

BXINGDUISHUSHIDIANWEIQI:YONGZIMUDBIAOSHI。QIDIANZUTISHANGDEDAODIANWUZHIFENBUBUJUNYUN,GANGKAISHIZHUANDONGSHI,ZUZHIDEBIANHUAJIAOXIAO;ZHUANDONGJIAODUZENGDASHI,ZUZHIDEBIANHUAJIAODA。DIANWEIQIDEXUANZHUANJIAODUYUZUZHIDEBIANHUACHENGDUISHUGUANXI,θ=klgR,JIR=k’*10θ,DUOYONGYUYINLIANGKONGZHI;

CXING:ZHUANDONGJIAODUHECHENGDIANZUZHIBIANHUAZHISHUGUANXI,θ=k10R ,R=k’*lgθ,JIGANGKAISHIXUANZHUANSHIDIANZUZHIBIANHUAJIAODA,DANGZHUANDONGJIAODUDAOMOUYILINJIEZHISHI,DIANZUZHIBIANHUAQUHUAN,YONGZIMUZ(ZHISHU)BIAOSHI。

A、B、C特性曲线的特点

A XINGWEIZHISHUSHI,ZHISHUSHI(FANZHUANDUISHUSHI)DIANWEIQI,ZAIKAISHIZHUANDONGSHI,ZUZHIBIANHUAHENDA。ERZAIZHUANJIAOYUEJIEJINZUIDAZUZHIYIDUANSHI,ZUZHIBIANHUAYUEXIAO。ZHISHUSHI(FANZHUANDUISHUSHI)DIANWEIQI,ZUZHIANXUANZHUANJIAOYIZHISHUGUANXIBIANHUA,ZHEIZHONGXINGSHIDIANWEIQIDUOYONGZAIYIBIAODANGZHONG,YESHIYONGYUYINDIAOKONGZHIDIANLU,ZHEIZHONGDIANWEIQIDIANZUTISHANGDEDAODIANWUZHIFENBUBUJUNYUN,GANGKAISHIZHUANDONGSHI,ZUZHIDEBIANHUAHENDA;ZHUANDONGJIAODUZENGDASHI,ZUZHIDEBIANHUAJIAOXIAO。ZUZHIDEBIANHUAYUDIANWEIQIDEXUANZHUANJIAODUCHENGDUISHUGUANXI。SUOYIZHEIZHONGDIANWEIQISHIYONGYUYINXIANGDIANLUDEYINDIAOKONGZHIDIANLU。

BXING,ZHIXIANSHIDIANWEIQI:QIDIANZUTISHANGDEDAODIANWUZHIFENBUJUNYUN,DANWEIZHANGDUDEZUZHIDAZHIXIANGDENG,DIANZUZHIDEBIANHUAYUDIANWEIQIDEXUANZHUANJIAODUCHENGZHIXIANGUANXI,DUOYONGYUFENYA;ZUZHIANXUANZHUANJIAODUJUNYUNBIANHUA,SHIHEYUFENYA、DANDIAODENGFANGMIANDIAOJIEZUOYONG。YIBANDIANWEIQIDEXIANXINGYONGDEBIJIAODUODEJIUSHIZHEIGE。

CXINGWEIDUISHUSHI,DUISHUSHIDIANWEIQIZAIKAISHIZHUANDONGSHI,DIANZUZHIBIANHUAZHUANXIAO,ERZAIZHUANJIAOYUEJIEJINZUIDAZUZHIYIDUANSHI, ZUZHIBIANHUAYUEDA。ZUZHIANXUANZHUANJIAODUYIZHISHUGUANXIBIANHUA,ZHEIZHONGDIANWEIQIDIANZUTISHANGDEDAODIANWUZHIFENBUBUJUNYUN,GANGKAISHIZHUANDONGSHI,ZUZHIDEBIANHUAHENXIAO;ZHUANDONGJIAODUZENGDASHI,ZUZHIDEBIANHUAJIAODA。ZUZHIDEBIANHUAYUDIANWEIQIDEXUANZHUANJIAODUCHENGDUISHUGUANXI,DUOYONGYUYINLIANGKONGZHI。YINWEIRENERDUIYINLIANGDEGANJUEDAZHIHESHENGYINGONGLVDEDUISHUCHENGZHIXIANGUANXI,JISHENGYINXIAOSHI,RENERGANJUEHENLINGMIN,DANDADAOMOUYIZHIHOU,JISHISHENGYINGONGLVYOULEJIAODADEZENGJIA,RENERQUEGANJUEBIANHUABUDA。KEJIANDUISHUSHIDIANWEIQIDEZUZHIBIANHUAGUILVBIJIAOFUHERENERTINGJUEDETEDIAN,YINCIZAISHOUYINJI、DIANSHIJIDENGYINLIANGKONGZHIDIANLUZHONG,YINGXUANYONGDUISHUSHIDIANWEIQI。PUBIANYONGZAIYINLIANGKONGZHIDIANLUZHONG,RUSHOUYINJI、LUYINJI、DIANSHIJIZHONGDEYINLIANGKONGZHIQI。YINWEIRENDETINGJUEDUISHENGYINDEQIANGRUO,SHIYIZHISHUGUANXIBIANHUADE,RUODIAOZHIYINLIANGSUIDIANZUZUZHIZHISHUBIANHUA,ZHEIYANGRENERTINGDAODESHENGYINJIUGANJUEPINGWENSHUSHI。

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