來源：昌昇自動化時間：2021-06-08
東芝變頻器維修的場效應晶體管放大器有哪些優點：changxiaoyingjingtiguanfangdaqishifouyouliangyeshixuanzedongzhibianpinqitiaojianzhiyi，kejianchangxiaoyingjingtiguanfangdaqizaidongzhibianpinqishebeizhongyouzhejuzuqingzhongdediwei，danrengyouhenduorenbuzhidaotadeyoudianyoushizainali，yinciwufajieyoutalaipanduanyigedongzhibianpinqishihaoshihuai，suoyibizhezaizheligeidajiashulilezhefangmiandezhishi，ruxia：
1、changxiaoyingguanfenchengjiexinghejueyuanzhaxingliangdalei，qikongzhiyuanlidoushiyiyangde。changxiaoyingjingtiguanjuyoujiaogaoshuruzukanghedizaoshengdengyoudian，yineryebeiguangfanyingyongyugezhongdianzishebeizhong。youqiyongchangxiaoguanzuozhenggedianzishebeideshuruji，keyihuodeputongjingtiguanhennandadaodexingneng。
2、場效應管與晶體管的優勢在於：
(1) 場效應管是電壓控製元件，而晶體管是電流控製元件。在隻允許從信號源取較少電流的情況下，應選用場效應管
(2) 場效應管是利用多數載流子導電，所以稱之為單極型器件，(3)有些場效應管的源極和漏極可以互換使用，柵壓也可正可負，靈活性比晶體管好。
(3) changxiaoyingguannengzaihenxiaodianliuhehendidianyadetiaojianxiagongzuo，erqietadezhizaogongyikeyihenfangbiandiba，henduochangxiaoyingguanjichengzaiyikuaiguipianshang，yincichangxiaoyingguanzaidaguimojichengdianluzhongdedaoleguangfandeyingyong。
上一篇：普傳變頻器維修的電感和電阻具體是什麼 下一篇：穆格MOOG伺服驅動器維修及控製
