力士樂放大器/德國REXROTH中國上海供應摘要：通過對力士樂比例方向閥ＶＴ３００６－Ｓ－３０型電子放大器組成及工作原理的基本知識介紹，以供擁有這種閥的液壓系統(tǒng)調(diào)試、使用和維護之操作者參考。主題詞：液壓系統(tǒng)液壓元件力士樂比例方向閥ＶＴ３００６－Ｓ－３０型電子放大器濰坊柴油機有限責任公司進口ＨＷＳ靜壓造型生產(chǎn)線，其液壓系統(tǒng)中多處使用力士樂比例閥，致使整力士樂放大器/德國REXROTH中國上海供應個液壓系統(tǒng)的控制具有良好的性能。比例方向閥是比例閥的一種，它是按輸入電信號來連續(xù)、按比例地對油液的方向進行遠距離控制的閥。電信號是由其所屬的ＶＴ３００６－Ｓ－３０型電子放大器產(chǎn)生的，了解該種放大器的功能和使用知識，將有利于對擁有這種閥之液壓系統(tǒng)的廠家，在系統(tǒng)的調(diào)試、保證設(shè)備正常運行和維修時參考之用。１ＶＴ３００６┐Ｓ┐３０型放大器的功能該放大器的組成線路圖如圖１所示。主要包括帶有五個可調(diào)斜坡時間的斜坡形成器（總時間為０．０３～５ｓ）、函數(shù)形成器、模擬累加器、電流調(diào)節(jié)器、節(jié)拍發(fā)生器、功率放大器和電源五部分。圖１ＶＴ３００６－Ｓ－３０型放大器力士樂放大器不但可對光信號進行直接放大，同時還具有實時、高增益、寬帶、在線、低噪聲、低損耗的全光放大功能，是新一代光纖通信系統(tǒng)中*的關(guān)鍵器件；由于這項技術(shù)不僅解決了衰減對光網(wǎng)絡(luò)傳輸速率與距離的限制，更重要的是它開創(chuàng)了1550nm頻段的波分復用，從而將使超高速、超大容量、超長距離的波分復用（WDM）、密集波分復用（DWDM）、全光傳輸、光孤子傳輸?shù)瘸蔀楝F(xiàn)實，是光纖通信發(fā)展*的一個劃時代的里程碑。在目前實用化的光纖放大器中主要有摻鉺光纖放大器（EDFA）、半導體光放大器（SOA）和光纖拉曼放大器（FRA）等，其中摻鉺光纖放大器以其*的性能現(xiàn)已廣泛應用于長距離、大容量、高速率的光纖通信系統(tǒng)、接入網(wǎng)、光纖CATV網(wǎng)、軍用系統(tǒng)（雷達多路數(shù)據(jù)復接、數(shù)據(jù)傳輸、制導等）等領(lǐng)域，作為功率放大器、中繼放大器和前置放大器
VT-VRPA2-1-1X/V0/T5 VT-VSPA2-1-1X/T1 VT-VRPA2-1-1X/V0/T5 VT-VSPA2-1-1X/T5 VT-11011-1X VT-VSPA2-50-1X/T1 VT-VSPA1-1-1X/V0/0 VT-VSPA2-50-1X/T5 VT10468-3X/BD VT-VRPA2-1-1X/V0/T1 VT-VSPA1K-1-1X VT-VSPA1-1-1X/ C VT11131-1X/ VT-UK2-3X/ VT11006-1X VT-VSPA2-50-1X/T5 VT10406-3X/FXY-1S-RXY VT-VRPA2-1-1X/VO/T5 VR2C.0 VT-TRPD-2-1X/V0/0 VITON SEAL KIT FOR SL10PA2-3X VT-SR2-1X/1-60 VDO RUDDER ANGLE INDICATOR N03 200 602 VT-PVAR2-1X/2 VT-VSPA2-50-1X/T5 VT-NE32-1X/ VT-VSPA2-50-1X/T1 VT-HNC100-2-2X/W-16-0-0 VT-VRPA2-1-1X/VO/T1 VT-HACDB-1-1X/V0/1-0-0 VT5014-3X/R5E VT5041-2X/1 VT5014-3X/R5E VT5007-1X/ VT5008-1X/ VT5004-2X/R5E VT5004-2X/R1E VT3024-3X VT12350-3X/0 VT3013-3X/ VT11118-1X/ VT3002-2X/48F VT11013-1X VT11132-1X/ VD5D.0/-L220 VT11118-1X/ VT-VSPD-1-1X/V0/0 VT11031-2X/ VT-VSPA2-1-1X/T1 VT11030-1X/ VT-VRPA1-50-1X/ VT10406-3X/FXY-0S-RXY VT-TRPD-1-1X/V0/0 VT-VRPA1-52-1X/ VT-RK1-3X/ VT-UK2-3X/ VT-DFPE-A-2X/G24K0/0A0V/V VT-SR1-1X/1/4WS2EE10 VT5005-1X/ C VTS0908-1X/1/NETZGERAET NT3 VT5003-4X/R1E VTS0223-2X/XPL1 VT5001S2X/R5E VT5003-4X/R5E VT3024-3X VT1610-3X/E1/4WRD16-3X VT3006-3X/ VT12321-2X VT1516-1X/ VT11132-1X/ VT12321-2X BB-3 VT10468-3X/B1-RX VT12270-1X/21-0500 VENT FOR 4WS2EM10-4X/..315M. VT10468-3X/B3-RX VT-VRPA2-2-1X/VO/T1 VR2D/L24 VT-VRPA2-2-1X/VO/T1 VD5D.0/-L110 VT-SR2-1X/1-60 VT-VSPA2-1-1X/T5 VT5036-1X/R5E VT-VSPA1K-1-1X VT5015S-3X/R1E VT-VRPA2-2-1X/V0/T5 VT5013-3X/R1E VT-VRPA1-51-1X/ VT5001S2X/R5E VT-SVTSY-1-1X/1-1-1-1-1 VT19104-10-1 VTS0102-1X/FUW14-7,4-8,1-1 VT12350-3X/0 VT-HNC100-1-2X/W-08-P-0 VT12304-2X/ VT5035-1X/ （SMD） VT11015-1X/ VT5007S-1X/R5 VT11005-1X/ VT3002-2X/32D CORE VT10468-3X/FO-RX VT12427-1X/ VT-VSPA2-50-1X/T1 VT11023-1X VT-VRPD-2-1X/V0/0 VT11012-1X/ VT5036-1X/R5E VT11006-1X VT5003-4X/R1E VT10468-3X/BO-RX VT2000-5X/ C VT10406-3X/FXY-OK-RXY VT1610-3X/E1/4WRD10-3X VD5D.0/-L24 VT11080-2X/ VT-VRPD-2-1X/V0/0 VT11034-1X VT-RK2-3X/ VT11011-1X/
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