現貨EEA系列伊頓VICKERS放大器EEA系(xi)列(lie)伊(yi)頓(dun)VICKERS放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)是通信系(xi)統中發送(song)裝置(zhi)的重(zhong)要組(zu)件(jian)(jian)。按其工(gong)(gong)作(zuo)(zuo)(zuo)頻(pin)帶(dai)的寬窄劃分為(wei)(wei)窄帶(dai)高(gao)頻(pin)功(gong)(gong)(gong)率(lv)(lv)(lv)Vickers威(wei)格士放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)和(he)寬帶(dai)高(gao)頻(pin)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)兩種(zhong)，窄帶(dai)高(gao)頻(pin)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)通常以具(ju)有選(xuan)(xuan)頻(pin)濾波作(zuo)(zuo)(zuo)用(yong)的選(xuan)(xuan)頻(pin)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)作(zuo)(zuo)(zuo)為(wei)(wei)輸出回路(lu)(lu)(lu)，故(gu)又稱為(wei)(wei)調(diao)諧(xie)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)或諧(xie)振(zhen)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)；寬帶(dai)高(gao)頻(pin)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)的輸出電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)則是傳輸線(xian)變壓(ya)器(qi)(qi)(qi)或其他(ta)寬帶(dai)匹(pi)配電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)，因(yin)此又稱為(wei)(wei)非調(diao)諧(xie)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)。高(gao)頻(pin)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)是一種(zhong)能(neng)(neng)量轉換器(qi)(qi)(qi)件(jian)(jian)，它將電(dian)(dian)(dian)(dian)源供給(gei)的直流(liu)(liu)(liu)(liu)(liu)能(neng)(neng)量轉換成為(wei)(wei)高(gao)頻(pin)交流(liu)(liu)(liu)(liu)(liu)輸出在 “低(di)頻(pin)電(dian)(dian)(dian)(dian)子線(xian)路(lu)(lu)(lu)"課(ke)程(cheng)中已(yi)知，放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)可以按照電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)導(dao)通角的不(bu)同，將其分為(wei)(wei)甲(jia)、乙(yi)、丙三類工(gong)(gong)作(zuo)(zuo)(zuo)狀態(tai)。甲(jia)類放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)的流(liu)(liu)(liu)(liu)(liu)通角為(wei)(wei)360o，適(shi)用(yong)于(yu)(yu)小信號低(di)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)。乙(yi)類放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)的流(liu)(liu)(liu)(liu)(liu)通角約等于(yu)(yu) 180o；丙類放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)的流(liu)(liu)(liu)(liu)(liu)通角則小于(yu)(yu)180o。乙(yi)類和(he)丙類都適(shi)用(yong)于(yu)(yu)大(da)(da)(da)(da)(da)功(gong)(gong)(gong)率(lv)(lv)(lv)工(gong)(gong)作(zuo)(zuo)(zuo)丙類工(gong)(gong)作(zuo)(zuo)(zuo)狀態(tai)的輸出功(gong)(gong)(gong)率(lv)(lv)(lv)和(he)效(xiao)率(lv)(lv)(lv)是三種(zhong)工(gong)(gong)作(zuo)(zuo)(zuo)狀態(tai)中者。高(gao)頻(pin)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)大(da)(da)(da)(da)(da)多工(gong)(gong)作(zuo)(zuo)(zuo)于(yu)(yu)丙類。但丙類放(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)的電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)波形(xing)失真太大(da)(da)(da)(da)(da)，因(yin)而不(bu)能(neng)(neng)用(yong)于(yu)(yu)低(di)頻(pin)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)，只能(neng)(neng)用(yong)于(yu)(yu)采(cai)用(yong)調(diao)諧(xie)回路(lu)(lu)(lu)作(zuo)(zuo)(zuo)為(wei)(wei)負載(zai)的諧(xie)振(zhen)功(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)大(da)(da)(da)(da)(da)。由于(yu)(yu)調(diao)諧(xie)回路(lu)(lu)(lu)具(ju)有濾波能(neng)(neng)力，回路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)與電(dian)(dian)(dian)(dian)壓(ya)仍然極(ji)近于(yu)(yu)正弦波形(xing)，失真很(hen)小。

EEA系(xi)列伊頓VICKERS放大(da)(da)器(qi)(qi)產品(pin)參數(shu)型號(hao)(hao)(hao)(hao)：EEA-PAM-533-A-32用(yong)(yong)于比(bi)例控制閥(fa)：KTG4V-3 ... H *，6 *系(xi)列KDG4V-3 ... H *，6 *系(xi)列KDG5V-5/7 / 8,1 *系(xi)列電源(yuan)標稱電源(yuan)：24V DC x 50W電壓(ya)：20 - 40V放大(da)(da)器(qi)(qi)關閉：<18V DCzui大(da)(da)電磁(ci)電流(liu)：2.7A保護：反極性過載檢測(ce)：自(zi)動復位(wei)指令(ling)信(xin)(xin)號(hao)(hao)(hao)(hao)監控點(dian)前面板：死(si)區補償后(hou)監視(shi)信(xin)(xin)號(hao)(hao)(hao)(hao)（zui小設(she)定），增(zeng)益(yi)和斜(xie)坡：0 - 10V（10V Imax）輸出：10 kΩ短路保護死(si)區補償出廠(chang)設(she)置（zui大(da)(da)滑閥(fa)行程的(de)百分(fen)比(bi)）：15%每個(ge)(ge)方向的(de)調整(zheng)（從(cong)中心位(wei)置zui大(da)(da)滑閥(fa)行程的(de)百分(fen)比(bi)）：0…50%環境(jing)溫度范圍(wei)：0 - 50℃（32 - 122℉）全規格(ge)重量：330g威格(ge)士VICKERS放大(da)(da)器(qi)(qi)主(zhu)要用(yong)(yong)于檢測(ce)信(xin)(xin)噪(zao)(zao)比(bi)很低的(de)微(wei)弱信(xin)(xin)號(hao)(hao)(hao)(hao)。即使有用(yong)(yong)的(de)信(xin)(xin)號(hao)(hao)(hao)(hao)被淹沒(mei)在(zai)噪(zao)(zao)聲信(xin)(xin)號(hao)(hao)(hao)(hao)里面，即使噪(zao)(zao)聲信(xin)(xin)號(hao)(hao)(hao)(hao)比(bi)有用(yong)(yong)的(de)信(xin)(xin)號(hao)(hao)(hao)(hao)大(da)(da)很多，只(zhi)要知道有用(yong)(yong)的(de)信(xin)(xin)號(hao)(hao)(hao)(hao)的(de)頻率值，就(jiu)能準確地測(ce)量出這個(ge)(ge)信(xin)(xin)號(hao)(hao)(hao)(hao)的(de)幅(fu)值。

VICKERS比例放(fang)大器主(zhu)要特點：

　　.一個放在器可以(yi)12V DC和24VDC電源

　　.電流源的反向保(bao)護

　　.5VDC和(he)10VDC兩(liang)種穩定(ding)的電壓和(he)參考電壓可選

　　.用多圈電(dian)位(wei)器,可在兩個方(fang)向地調節(jie)基本和(he)zui大(da)zui流.地維持額定電(dian)流.顫振信號疊(die)加(jia)到輸出電(dian)流上

　　.顫振(zhen)幅(fu)值可(ke)調,顫振(zhen)頻率約55HZ

　　.用多圈電位器(qi)可調(diao)節遞增和遞減斜坡(po)時間(jian)

　　.輸(shu)出短路和(he)接地短路保護

　　.斷線和短路只是(shi)故障顯(xian)示(shi)(shi)而(er)不切斷功(gong)能(neng),即整個電液(ye)系統將在(zai)(zai)(zai)故障排除(chu)后能(neng)立即再工作,僅故障顯(xian)示(shi)(shi)需再設定.如*情(qing)(qing)況(kuang)出現,在(zai)(zai)(zai)控制面(mian)板上的(de)LED顯(xian)示(shi)(shi)放大器的(de)各比例放大器的(de)運行情(qing)(qing)況(kuang).除(chu)了可見的(de)故障顯(xian)示(shi)(shi)外,還有一晶體管信號輸(shu)出口(kou)可用.在(zai)(zai)(zai)控制板上的(de)2MM的(de)試驗插口(kou),能(neng)在(zai)(zai)(zai)不斷開連接線的(de)情(qing)(qing)況(kuang)下(xia),用電流(liu)表測量線圈電流(liu),比試驗插口(kou)在(zai)(zai)(zai)測量以后,必須被橋接以減小損失威(wei)格(ge)士(shi)放大器EHH-AMP-702-K-20功(gong)能(neng)特點

　　同(tong)步脈沖輸出放大器，帶電(dian)流(liu)調(diao)整(zheng)。

　　通過方向(xiang)閥的遮蓋來(lai)實現快通。

　　斜坡發(fa)生器可(ke)以關閉。

　　差動輸出

　　歐洲板制模(mo)擬(ni)放大(da)器。

　　帶電位(wei)置反饋(kui)比例閥放(fang)大(da)器(qi)

　　PID-控制器，用來控制控制閥芯的位(wei)置。

　　5段傾斜時間，通過微調電位計進行調整(某些型號)用4個微調電位計作內部指令值的調整，繼電器提取，帶LED顯示屏(某些型號)傳感器的指示燈；如線路中斷，則不給予輸出放大器電壓。現貨EEA系列伊頓VICKERS放大器線路圖：