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上海辰丁自動化設(shè)備有限公司
主營產(chǎn)品： 阿托斯ATOS柱塞泵,IFM易福門傾角傳感器,巴魯夫磁敏氣缸傳感器 |
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上海辰丁自動化設(shè)備有限公司
主營產(chǎn)品： 阿托斯ATOS柱塞泵,IFM易福門傾角傳感器,巴魯夫磁敏氣缸傳感器 |
聯(lián)系電話
2018-1-17 閱讀(747)
德國力士樂REXROTH放大器全部型號威斯特
運算放大器是模數(shù)轉(zhuǎn)換電路中的一個zui通用、zui重要的的單元。全差分運放是指輸入和輸出都是差分信號的運放, 與普通的單端輸出運放相比有以下幾個優(yōu)點: 輸出的電壓擺幅較大;較好的抑制共模噪聲;更低的噪聲;抑制諧波失真的偶數(shù)階項比較好等。因此通常高性能的運放多采用全差分形式。近年來,全差分運放更高的單位增益帶寬頻率及更大的輸出擺幅使得它在高速和低壓電路中的應(yīng)用更加廣泛。隨著日益增加的數(shù)據(jù)轉(zhuǎn)換率, 高速的模數(shù)轉(zhuǎn)換器需求越來越廣泛, 而高速模數(shù)轉(zhuǎn)換器需要高增益和高單位增益帶寬運放來滿足系統(tǒng)精度和快速建立的需要。速度和精度是模擬電路兩個zui重要的性能指標(biāo),然而,這兩者的要求是互相制約、互為矛盾的。所以同時滿足這兩方面的要求是困難的。折疊共源共柵技術(shù)可以較成功地解決這一難題, 這種結(jié)構(gòu)的運放具有較高的開環(huán)增益及很高的單位增益帶寬。全差分運放的缺點是它外部反饋環(huán)的共模環(huán)路增益很小, 輸出共模電平不能確定,因此,一般情況下需加共模反饋電路。
運算放大器的結(jié)構(gòu)重要有三種:(a) 簡單兩級運放,(b)折疊共源共柵,(c)共源共柵,如圖1 的前級所示。本次設(shè)計的運算放大器的設(shè)計指標(biāo)要求差分輸出幅度為±4V, 即輸出端的所有NMOS 管的VDSAT,N 之和小于0.5V,輸出端的所有PMOS 管的VDSAT,P 之和也必須小于0.5V。該運算放大器存在兩級:(1)Cascode 級增大直流增益(M1-M8);(2)、共源放大器(M9-M12)。
對于全差分運放, 為了穩(wěn)定輸出共模電壓,應(yīng)加入共模負(fù)反饋電路。在設(shè)計輸出平衡的全差分運算放大器的時候,必須考慮到以下幾點:共模負(fù)反饋的開環(huán)直流增益要求足夠大,能夠于差分開環(huán)直流增益相當(dāng);共模負(fù)反饋的單位增益帶寬也要求足夠大,接近差分單位增益帶寬;為了確保共模負(fù)反饋的穩(wěn)定, 一般情況下要求進(jìn)行共?；芈费a(bǔ)償;共模信號監(jiān)測器要求具有很好的線性特性;共模負(fù)反饋與差模信號無關(guān), 即使差模信號通路是關(guān)斷的。
德國力士樂REXROTH放大器全部型號威斯特
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R961002342 DICHTUNGSSATZCY350D160/110VTZ11683
R901135219 VT-DFPE-A-2X/G24K0/2A1E/V-014
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R901125174 VT-SWA-LIN-1X/G24-3-K44
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R901125172 VT-SWA-LIN-1X/G24-1-K44
R901119884 PROTOTYPVT-HACD-DPQ-1-2X/V0/1-C-0
R901119881 PROTOTYPVT-HACD-1-1X/V0/1-C-0
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R901108921 VT-MAC8-1X/S5-PM1-3AX4
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R901107017 VT17337-1X/(MOD.VT5036-1X/)
R901106849 VT-MAC8-1X/S5-PM2-3AX4
R901103981 VT-DFPE-A-2X/G24K0/0B1F/V
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R901094751 VT-MRPA1-2-1X/V0/0
R901094750 VT-MRPA1-1-1X/V0/0
R901091311 VT-ZP2-3X/VT-SR7-1X/1/A4VSO500HS
R901090359 VT10399-5X/FXY-B90T-R00
R901090315 VT-MAC8-1X/S5-PM1-1AX4
R901090276 VT-MAC8-1X/S5-PM4-3AX4
R901082898 VT-MAC8-1X/S1-AM4
R901082896 VT-MAC8-1X/S1-PM4
R901082348 VT-NE30-2X/
R901082191 BETRIEBSANLEITUNGVT-MUXA2-1-1X/EU
R901080966 VT-MRPA1-151-1X/V0/0
R901080965 VT-MRPA1-150-1X/V0/0
R901078493 VT-VPCD-1-1X/V100/1-0-1
R901077297 VT-VSPD-1-2X/V0/0-0-1
R901077284 VT17399-1X/(MOD.VT11164-1X/)
R901076929 VT17398-1X/1(MOD.VT-SR2-1X/1-60)
R901075752 VT-MAC8-1X/K-AX4
R901075738 VT-MAC8-1X/K-PM4
R901075734 VT-MAC8-1X/K-PM2
R901075730 VT-MAC8-1X/K-AM4
R901075728 VT-MAC8-1X/K-AM2
R901075725 VT-MAC8-1X/K-RACK8
R901075722 VT-MAC8-1X/K-RACK5
R901075714 VT-MAC8-1X/K-RACK1
R901073290 VT-DFPE-A-2X/G24K0/1D0V/V-019
R901071963 VT-ZKO-USB/CA-1-1X/V0/0
R901071962 VT-ZKO-USB/P-1-1X/V0/0
R901071887 VT17397-1X/(ERSATZFUERB830303708)
德國力士樂REXROTH放大器全部型號威斯特
R901066987 VT-VRPD-2-2X/V0/0-0-1
R901066773 VT-VPCD-1-1X/V1/1-C-1
R901066684 VT-ZKO-USB/S-1-1X/V0/0
R901062452 PROTOTYPVT-HACD-DPC-1-2X/V0/1-0-0
R901057060 VT-VRPA1-151-1X/V0/0
R901057058 VT-VRPA1-150-1X/V0/0
R901056830 VT-MX-4-1X/S6-P2U-2A2C-V50
R901054664 VT-HACD-DPQ-1-2X/V0/1-0-0
R901054371 VT17100-1X/IW9/2,5KHZ/PRUEFGERAET
R901054016 VT-MSPA1-50-1X/V001
R901050968 VT-MX-4-1X/S6-P2U-1A2C-V50
R901049737 VT-VETSY-1-1X/1-2-1-1-0/(PRUEFG.+KOFFER)
R901047778 VT-HACD-1-1X/V0/1-P-0
R901046149 VT-SSPA1-5-1X/V0/0-12
R901046147 VT-SSPA1-5-1X/V0/I-24
R901044346 VT-VPCD-1-1X/V0/1-0-1
R901042058 VT-MUXA2-1-1X/V0/1A
R901041006 VT-SVTSY-1-1X/1-1-0-0-1/(PRUEFG.+KOFFER)
R901040690 VT-DFPC-A-2X/G24K0/2A0V/V-001
R901040277 VT-HACD-1-1X/V0/1-D-0
R901036937 VT-DFPE-A-2X/G24K0/0A0C/V-018
R901031176 VT-DFPE-A-2X/G24K0/2D0V/V-019
R901031171 VT-VETSY-1-1X/1-2-0-1-1/(PRUEFG.+KOFFER)
R901030740 VT10159-3X/(MOD.VT3000-3X/*)
R901030117 VT-SSPA1-100-1X/V0/0-12
R901030116 VT-SSPA1-100-1X/V0/0-24
R901030114 VT-SSPA1-100-1X/V0/I-24
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R901029782 VT-SSPA1-1-1X/V0/I-24
R901029624 VT-DFPE-A-2X/G24K0/0A1E/V-014
R901025484 KABELSATZVT17220-1X/W034/07,0M
R901026509 VT17100-2X/089/KASS(KASSETTE)
R901026504 VT17100-2X/094/KASS(KASSETTE)
R901026497 VT17100-2X/085/KASS(KASSETTE)
R901026494 VT17100-2X/088/KASS(KASSETTE)
R901024331 VT-SSPA1-5-1X/V0/0-24
R901023938 VT17383-1X/(MOD.VT-PVPQ-1X/0)
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R901010980 VT-MSPA2-1-1X/V0/0
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R901002558 VT17100-1X/120/0/KASS(SERVO/V.SPULEN)
R901002095 VT-VSPA2-1-2X/V0/T5
R901002090 VT-VSPA2-1-2X/V0/T1
R901000555 VT11484-1X/(MOD.VT5035-1X/)
R901000272 VT-SWA-LIN-1X/G10-3-K44
R901000219 H-4WMM22E7X//VT12
R900991843 VT3002-2X/64G(KARTENHALTER)
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R900979889 VT-VRPA2-2-1X/V0/T1
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R900977850 VT11126-1X/
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R900975226 VT11125-1X/
R900973477 VT-PVAR2-1X/0-005
R900972164 VT17326-1X/(MOD.VT5035-1X/)
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R900967021 VT-SVTSY-1-1X/1-0-0-1-0/(PRUEFG.+KOFFER)
