力士樂(lè)放大器/德國(guó)REXROTH中國(guó)上海供應(yīng)摘要：通過(guò)對(duì)力士樂(lè)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(shí)介紹,，以供擁有這種閥的液壓系統(tǒng)調(diào)試,、使用和維護(hù)之操作者參考。主題詞：液壓系統(tǒng)液壓元件力士樂(lè)比例方向閥ＶＴ３００６－Ｓ－３０型電子放大器濰坊柴油機(jī)有限責(zé)任公司進(jìn)口ＨＷＳ靜壓造型生產(chǎn)線,，其液壓系統(tǒng)中多處使用力士樂(lè)比例閥,，致使整力士樂(lè)放大器/德國(guó)REXROTH中國(guó)上海供應(yīng)個(gè)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(hào)來(lái)連續(xù),、按比例地對(duì)油液的方向進(jìn)行遠(yuǎn)距離控制的閥。電信號(hào)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(shí),，將有利于對(duì)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(yùn)行和維修時(shí)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(gè)可調(diào)斜坡時(shí)間的斜坡形成器（總時(shí)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(lè)放大器不但可對(duì)光信號(hào)進(jìn)行直接放大,，同時(shí)還具有實(shí)時(shí),、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(xiàng)技術(shù)不僅解決了衰減對(duì)光網(wǎng)絡(luò)傳輸速率與距離的限制,，更重要的是它開(kāi)創(chuàng)了1550nm頻段的波分復(fù)用，從而將使超高速,、超大容量,、超長(zhǎng)距離的波分復(fù)用（WDM）、密集波分復(fù)用（DWDM）,、全光傳輸,、光孤子傳輸?shù)瘸蔀楝F(xiàn)實(shí)，是光纖通信發(fā)展*的一個(gè)劃時(shí)代的里程碑,。在目前實(shí)用化的光纖放大器中主要有摻鉺光纖放大器（EDFA）,、半導(dǎo)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(yīng)用于長(zhǎng)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(dá)多路數(shù)據(jù)復(fù)接,、數(shù)據(jù)傳輸,、制導(dǎo)等）等領(lǐng)域，作為功率放大器,、中繼放大器和前置放大器
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力士樂(lè)放大器/德國(guó)REXROTH中國(guó)上海供應(yīng)VT5041-2X/3-OV VT10468-3X/BO-R0 VT5011/12-3X/R5E VT10468-3X/B3-RX VT5010-2X/R5E VR2B.1 VT5006-1X/ （SMD） C VEI8A-VU-VS-ST-12 VT3014-3X VDO SPEED SENSOR VT2010S-4X/E VT-VRPA2-1-1X/VO/T5 VT11011-1X/ VT-SVT-1-1X VR2F.0 VTS0609-2X/E VM5C.0/-V VT-PVAR2-1X/1 VEM MOTOR 2.2KW 1400RPM 220/380V 50Hz VT-HNC100-2-2X/W-16-P-0 VT-VSPA2-1-1X/T5 VT3002-2X/32D VT-TSPD-1-1X/V0/0 VT2010S-4X/2 VT-SR7-1X/1/A4VS.250HS VT15300-1X/05,0/HNC100-PC/V24 VT5040S-3X/45 VT12270-1X/21-0500 VT5035S-1X/R5 VT11246-2-1X/ VT5006-1X/ （SMD） VT11078-2X VT5005-1X/ VT11030-1X/ VT12302-2X/ VT10468-3X/F3-RX VT11015-1X/ VSS18S/21 VT10406-3X/FXY-2K-RXY VT-VSPD-1-1X/V0/0 VR2B.0 VT-VSPA1K-1-1X C VM2C.0/SO345 VT-VSPA1-1-1X/ VEI-VU-VS-ST-NC-100-07 VT-HNC100-1-2X/W-08-0-0 VEI-A2-NC-12-08-S3H VT-HACDI-1-1X/V0/1-0-0 VT-ZP2-3X/ VT-DFPE-A-2X/G24K0/0A0V/V VT-VSPA2-1-1X/T1 VT5041-2X/3 VT-TRPD-2-1X/V0/0 VT5035-1X/ （SMD） VT-SVTK-3-1X VT5015-3X/R5E VT-SR2-1X/0-60 FOR 4WS2EM10 VT16000-2X/130 VT-NE30-1X VT12304-2X/ VT5014-3X/R1E VT11073-1X/ VT5010-2X/R1E VT10468-3X/F4-RX VT5004-2X/R1E VANE FOR V4-2X/50 （POS.8） VT2000-5X/ VT-VRPA1-52-1X/ VT13477-2X/3 VT-VETNT-2-1X/G15 VT5010-2X/R1E VT-PVPQ1-1X/1 VT3014-3X VT-NE40-1X VT3000-3X/ C VT-NE30-1X VT11131-1X/ VT-HNC100-1-2X/W-08-0-0 VT11006-1X VT-DFPE-A-2X/G24K0/0A1V/V VT10406-3X/FXY-1S-RXY VT5041-2X/1-0V VR2C.0 VT5014-3X/R1E VITON SEAL KIT FOR SL10PA2-3X VT-VSPA2-50-1X/T1 VDO RUDDER ANGLE INDICATOR N03 200 602 VT-VRPA2-1-1X/VO/T1 VT-VSPA2-50-1X/T5 VT5014-3X/R5E VT-VSPA2-50-1X/T1