帶偏流補(bǔ)償?shù)膶拵Х糯箅娐?

2017-10-10 11:29
關(guān)鍵詞： 放大電路 電路 帶偏流補(bǔ)償
帶偏流補(bǔ)償?shù)膶拵Х糯箅娐? src="http://files.chinaaet.com/dianlutu/90/490-1.jpg" style="cursor:hand" border=0> 圖(a)所示電路與一般反相放大電路的不同點(diǎn)僅在于反饋電阻輸入端點(diǎn)與反相輸入端之間串接了一個(gè)100kΩ的電位器，用于對(duì)直流偏流進(jìn)行補(bǔ)償。調(diào)整電位器Rp，使當(dāng)Vi=0V時(shí)，Vo=0。在補(bǔ)償端引腳1與10之間接相位補(bǔ)償電容C1(90pF)，引腳5到地的濾波電容C2也為90pF。該電路在圖示參數(shù)下的電壓放大倍數(shù)為：Av=-10，其電壓轉(zhuǎn)換速度大于70v／μs，半功率帶寬可達(dá)400kHz以上，其增益帶寬之積約為30MHz。采用10引腳的金屬圓形封裝的LH0003工作溫度為0～85℃，存儲(chǔ)溫度為-65～150℃。當(dāng)采用LH0003芯片時(shí)，其工作溫度為-55～125℃，存儲(chǔ)溫度為-65～150℃。圖(b)為L(zhǎng)H0003/LH0003C集成芯片管腳排列圖。 </div> </div><!--//end of 內(nèi)容詳細(xì)--> </div> <!--//end of mid-banner 2--> <div id="qjqhpbt" class="box borderless"> <div id="exfmefd" class="bullhorn-text"> <a href="http://ihrv.cn/tt/6bmIby" target="_blank" rel="nofollow">歡迎查看AET-ChatGPT專(zhuān)題</a> <a href="http://ihrv.cn/tt/FBvMJ3" target="_blank" rel="nofollow">2024基礎(chǔ)電子測(cè)試測(cè)量培訓(xùn)</a> <a href="http://ihrv.cn/tt/fe2YRr" target="_blank" rel="nofollow">進(jìn)入了解AET零信任專(zhuān)題</a> <a 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