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src="https://tyunfile.71360.com/UploadFile/ZRX888/637284364690283203/2748713.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fjqifht" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284364690283203/2748713.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3ro3388" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇高頻lcr數(shù)字電橋,lcr</p><p><span>***更新：</span>2021-01-12 00:22:20</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="xrolskr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市展榮新精密電子有限公司</a></p><p><span>聯(lián)系人：</span>喻孟峨</p><p><span>郵箱: </span>113527410@qq.com</p><p><span>電話: </span>15012892536</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-27923475</p><p><span>地址: </span>航城街道黃田社區(qū)崗貝工業(yè)區(qū)綜合樓10棟401</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qa8zczq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3vx2n3q" class="box"><p><p style="text-indent:25px">半導(dǎo)體材料和元件的測量進(jìn)行MOS型半導(dǎo)體制造工藝評價時，需要氧化層電容和襯底雜質(zhì)密度這些參數(shù)，這些可從C－Vdc特性的測量結(jié)果推導(dǎo)出來。通過提供的直流源，結(jié)合各種掃描功能，可以方便地完成C-VDC特性的測量。為了測試晶圓上的半導(dǎo)體器件，需要延伸電纜和探頭，江蘇高頻lcr數(shù)字電橋，儀器的1m/2m/4m延伸電纜選件可將電纜延伸的誤差降至極小。各種二極管、三極管、MOS管的分布電容也是本儀器的測試內(nèi)容。深圳市展榮新精密電子有限公司，江蘇高頻lcr數(shù)字電橋，專業(yè)從事電子變壓器、電感線圈，江蘇高頻lcr數(shù)字電橋、電容電阻等各類元器件測試儀之自主研發(fā)、制造和銷售。LCR數(shù)字電橋的測量速度比較的快,測量出來的精確度比較的高。江蘇高頻lcr數(shù)字電橋</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇高頻lcr數(shù)字電橋,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284364690283203/2748713.png"></div><p style="text-indent:25px">為什么同一個電感在不同廠家的LCR儀器上用相同測試條件,電感測試數(shù)據(jù)會有很大差別？因?yàn)榻^大多數(shù)電感都帶有鐵芯磁芯，而帶有鐵芯磁芯的電感對其施加的磁場非常敏感，磁場與測試信號電流成正比，因此相同電平若內(nèi)阻不同，電流就會不一樣，則結(jié)果有很大差別。這是客戶電感測試時遇到的普遍問題。再有就是判定儀器測試電感的一致性原則應(yīng)該是施加與被測件上的電流要一致，這其中有一個特例，就是空心電感與磁場不敏感的。如果還有什么好的補(bǔ)充回答歡迎大家來補(bǔ)充。江蘇高頻lcr數(shù)字電橋一般地，lcr儀器定價是根據(jù)頻率準(zhǔn)確度、性能等要素綜合確定的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇高頻lcr數(shù)字電橋,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365175302734/4158537.png"></div><p style="text-indent:25px">LCR測試儀測試原理：Vx與Vr均是矢量電壓表，Rr是理想電阻。LCR測試儀自平衡電橋的意思是：當(dāng)DUT(Device Under Test)接入電路時，放大器的負(fù)反饋配置自動使得OP輸入端虛地。Vx準(zhǔn)確測定DUT兩端電壓（DUT的Low電位是0），Vr與Rr測得DUT電流Ix，由此可計(jì)算Zx。LCR測試儀提高精度的方法是: 1,Hp,Lp,Hc,Lc盡量接近DUT; 2,減小測試電流Ix的回路面積&磁通量（關(guān)鍵是分析Ix，要配合使用Guard與Cable*小化回路面積);3,使用Gurard與Cable構(gòu)建地平面中斷信號線間的電場連接，雖然會增加信號線的對地電容（對地電容不影響測試結(jié)果），但是會減少信號線的互容。Guard與Cable的對地寄生阻抗（Zhg,Zlg) 不影響測試結(jié)果，電橋平衡時Zlg的兩端電壓是0，流向Rr的電流不會被Zlg分流，Zhg的分流作用不影響Hp的電壓測量。</p><p style="text-indent:25px">LCR數(shù)字電橋測試速度100Hz(約4次/秒)與120Hz(約5次/秒)快中慢速度都一樣,*當(dāng)測試頻率為1kHz以上時:快速約16次/秒;中速約9次/秒;慢速約5次/秒.為得到實(shí)際的測量速度,應(yīng)該規(guī)定具體的測量條件,因?yàn)闇y試頻率、速度、元件值的大小、分選方式、顯示方式、測試方式、量程方式等均會影響測量速度.長期不用,請用原始包裝或先包密封塑料袋再用紙箱包裝,儲存在溫度為-10℃~40℃、濕度:≤85%RH的通風(fēng)室內(nèi).若被測件為電容器時,盡管儀器具有專門的抗沖擊電路,通過將被測電容與信號源測試部分相隔離和吸收回路,使得由于電容器的破壞性大幅降低.但從LCR數(shù)字電橋的可靠性和安全性角度來講,應(yīng)先將被測電容器的余電放干凈,再進(jìn)行測試.LCR數(shù)字電橋主要由正弦信號發(fā)生器、精密量程電阻、鑒相器和高精度A/D轉(zhuǎn)換器組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇高頻lcr數(shù)字電橋,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365290585938/281847.png"></div><p style="text-indent:25px">LCR數(shù)字電橋可用“鎖定”鍵按以下方法將量程鎖定，以加快測量時間，提高儀器的使用壽命。有標(biāo)準(zhǔn)接口，可根據(jù)被測值的準(zhǔn)確度對被測元件進(jìn)行自動分檔，已經(jīng)實(shí)現(xiàn)了多功能、高速、集成化的發(fā)展目標(biāo)。LCR數(shù)字電橋很大程度滿足現(xiàn)有條件測試：10Hz～300kHz，共計(jì)12萬點(diǎn)，至高到300kHz的測試頻率，0.01V至2.00V的任意電平，內(nèi)置和外部可輸入的直流偏置，至大200次平均，14檔分選結(jié)果輸出。支持至高115200波特率，可通過計(jì)算機(jī)更快捷的控制儀器所有功能，更能通過客戶端軟件的設(shè)計(jì)完成數(shù)據(jù)統(tǒng)計(jì)分析和打印測試結(jié)果等功能。LCR數(shù)字電橋的測試電平以測試正弦波信號的有效值進(jìn)行設(shè)定。江蘇高頻lcr數(shù)字電橋</p><p style="text-indent:25px">精度高、量程寬、速度快、穩(wěn)定性好是LCR電橋的特點(diǎn)。江蘇高頻lcr數(shù)字電橋</p><p style="text-indent:25px">LCR與試樣的四端子法:設(shè)置**的電壓檢測電纜，以消除由于測試電纜的串聯(lián)阻抗所引起的電壓降和接觸電阻的影響等，是一種減少低阻抗零部件的測量誤差的方法。需要考慮由于電纜之間的互電感（M）所產(chǎn)生的影響。如果使用在一個夾子上有2個相互絕緣的電極的開耳芬夾子，那么用2個夾子可以容易地進(jìn)行4個端子的連接。LCR與試樣的四端子對法:對于交流阻抗的測量，與直流測量不同，其特點(diǎn)是不會受到溫差電動勢的影響。但是，由于電流電纜與電壓電纜之間的電磁感應(yīng)，測量的頻率越高，要想測量低阻抗就越困難。對于這個問題，可以利用電纜的屏蔽層，使電流的去路和歸路相互重疊，以抑制磁通量的產(chǎn)生，由此來減少由于電磁感應(yīng)所引起的殘留阻抗。江蘇高頻lcr數(shù)字電橋</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司主要經(jīng)營范圍是儀器儀表，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司業(yè)務(wù)涵蓋變壓器電感平衡測試儀，變壓器綜合測試儀，高壓測試儀19053，展榮新（臺儀達(dá)）系列產(chǎn)品等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在儀器儀表深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造儀器儀表良好品牌。展榮新精密電子憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2802922.html</p></div></div></div></div></div><div id="lqnuryf" class="page-right twoColRt"><div id="dspmy8q" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ujbip8m" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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