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　一、直流穩(wěn)壓電源
　　R88D-UT80V直流穩(wěn)壓電源是能為負(fù)載提供穩(wěn)定直流電源的電子裝置。目前在汽車，工業(yè)，醫(yī)療和軍事等領(lǐng)域的研發(fā)過程中，都需要用到各類的穩(wěn)壓電源。而隨著測(cè)試項(xiàng)種類的增加，傳統(tǒng)的穩(wěn)壓電源已經(jīng)越來越無法滿足測(cè)試者的需求。
　　二、傳統(tǒng)直流穩(wěn)壓電源的缺陷
　　傳統(tǒng)的通用穩(wěn)壓電源，為了降低成本，電路設(shè)計(jì)過于簡(jiǎn)單，因此存在一系列的問題，導(dǎo)致輸出不穩(wěn)定。
　　R88D-UT80V問題一：電網(wǎng)污染問題。開關(guān)電源是通過控制開關(guān)管開通和關(guān)斷的時(shí)間比率，維持穩(wěn)定的輸出電壓的電源。其工作在功率管的導(dǎo)通和截止區(qū)間，高頻的通斷會(huì)產(chǎn)生較高次電流諧波，并且沿電網(wǎng)輸電線路產(chǎn)生傳導(dǎo)干擾和輻射干擾，從而對(duì)供電系統(tǒng)產(chǎn)生污染，影響其他設(shè)備的正常運(yùn)行。
　　問題二：R88D-UT80V輔助電源起到作用有限問題。開關(guān)電源一般由功率主回路，輔助電源和控制回路組成。通用的開關(guān)電源為了節(jié)約成本，大多采用非獨(dú)立型設(shè)計(jì)，即從功率回路的變壓器分離出單獨(dú)的繞組作為輔助電源給控制回路的芯片供電，但帶來的問題是輔助電源與主變壓器二者的工作狀態(tài)互相制約。如果輔助電源不給控制電路供電，主變壓器將不工作。而當(dāng)主電路不工作時(shí)，輔助電路也隨之關(guān)閉。因此會(huì)導(dǎo)致電源在輸出過小或者過大的情況下，輔助電源的輸出電壓隨之減小或者升高，不穩(wěn)定的供電電壓將導(dǎo)致設(shè)備無法穩(wěn)定輸出。

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聯(lián)系人：王文光
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 R88D-UT80V
R88D-WT01H
R88D-WT01HL
R88D-WT02H
R88D-WT02HL
R88D-WT04H
R88D-WT05H
R88D-WT08H
R88D-WT10H
R88D-WT150H
R88D-WT15H
R88D-WT20H
R88D-WT30H
R88D-WT50H
R88D-WT60H
R88D-WT75H
R88D-WTA3H
R88D-WTA3HL
R88D-WTA5H
R88D-WTA5HL
R88M-H05030 AC50W
R88M-H10030 AC100W
R88M-H10030-B AC100W
R88M-H1K130 AC1100W
R88M-H1K130-B AC1100W
R88M-H20030 AC200W
R88M-H20030-B AC200W
R88M-H20030-G25BJS1
R88M-H30030 AC300W
R88M-H30030-B AC300W
R88M-H50030-B AC500W
R88M-H75030 AC750W
R88M-H75030-B AC750W
R88M-U03030HA
R88M-U03030HA-B
R88M-U03030HA-BS1
R88M-U03030HA-S1
R88M-U03030LA
R88M-U05030HA
R88M-U05030HA-B
R88M-U05030HA-BS1
R88M-U05030HA-S1
R88M-U05030LA
R88M-U10030HA
R88M-U10030HA-B
R88M-U10030HA-BS1
R88M-U10030HA-S1
R88M-U10030LA
R88M-U10030LA-G11BJ
R88M-U10030TA-BG05B
R88M-U10030VA-S1
R88M-U1K030H
R88M-U1K030H-B
R88M-U1K030H-BS1
R88M-U1K030H-S1
R88M-U1K530H
R88M-U1K530H-B

 

AMAT Applied Materials 0010-31159 PVD Chamber 300mm Rev. 001 Used Working

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Customs services and international tracking provided

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