EEA系列VICKERS放大器總經銷EEA系列VICKERS放(fang)(fang)(fang)大(da)器(qi)(qi)是一個直流(liu)放(fang)(fang)(fang)大(da)器(qi)(qi)，由高增(zeng)益(yi)和(he)前放(fang)(fang)(fang)大(da)器(qi)(qi)組成驅動功率輸出的(de)單位(wei)增(zeng)益(yi)緩沖放(fang)(fang)(fang)大(da)器(qi)(qi)階段(duan)。輸出級靜態調整為(wei)200通過(guo)20Ω伺(si)服的(de)電流(liu)為(wei)毫安（mA）氣門線圈（維(wei)氏SE3/SF4型伺(si)服閥(fa)）和(he)可變(bian)從輸入信號變(bian)化的(de)200 mA值。

EEA系列VICKERS放(fang)大器(qi)命令和(he)(he)反(fan)饋信號(hao)通過R1和(he)(he)R2連接到放(fang)大器(qi)A1的(de)(de)輸(shu)入(ru)端。電(dian)阻(zu)R1、R2和(he)(he)放(fang)大器(qi)A1的(de)(de)輸(shu)入(ru)電(dian)阻(zu)形成一(yi)個(ge)求(qiu)和(he)(he)網(wang)絡，允許放(fang)大器(qi)A1輸(shu)入(ru)端產(chan)生的(de)(de)差(cha)異電(dian)位抗性。這個(ge)電(dian)位的(de)(de)振幅由輸(shu)入(ru)信號(hao)的(de)(de)極性和(he)(he)振幅，輸(shu)入(ru)耦(ou)合電(dian)阻(zu)R1和(he)(he)R2，以及放(fang)大器(qi)A1的(de)(de)輸(shu)入(ru)電(dian)阻(zu)。

EEA系(xi)列(lie)VICKERS放(fang)(fang)大(da)器在正(zheng)常工作條件下，R1和(he)(he)R2的連接(jie)點被A1維持在“虛擬(ni)接(jie)地(di)"幾毫伏(fu)之(zhi)內。二(er)極管D8和(he)(he)D9限制(zhi)A1輸(shu)入(ru)(ru)端的振(zhen)幅極值如果放(fang)(fang)大(da)器輸(shu)出(chu)為(wei)小.5伏(fu)飽(bao)和(he)(he)。放(fang)(fang)大(da)器A1將輸(shu)出(chu)信(xin)號相對于輸(shu)入(ru)(ru)信(xin)號，允(yun)許(xu)通(tong)過負反饋(kui)通(tong)過電(dian)阻(zu)r3和(he)(he)r4排列(lie)。允(yun)許(xu)反向輸(shu)出(chu)的一(yi)部(bu)分在放(fang)(fang)大(da)器A1的輸(shu)入(ru)(ru)電(dian)阻(zu)。這個負面(mian)反饋(kui)從輸(shu)入(ru)(ru)信(xin)號中(zhong)減去，然后減小增益放(fang)(fang)大(da)器。

EEA系列VICKERS放大器技術參數(shu)：

工作電源(yuan)：24VDC。

功耗：25W;

靜態電(dian)流消耗：16.9MA/24V;（參考(kao)輸出電(dian)壓端帶10K電(dian)位器(qi)條件下測(ce)的(de)。）參考(kao)電(dian)源短(duan)路保護電(dian)流閥值(zhi)：50MA.

參考電源(yuan)：+5V<10MA. -5V<2MA.

上(shang)電延遲時(shi)間：0.5秒（上(shang)電延時(shi)時(shi)間到后(hou)才有電流(liu)輸出(chu)）。

重復精(jing)度:0.1%;

輸入信號：0-10V/0-5V/0-20mA;

比例線圈電阻(zu)：3-45Ω；

小(xiao)電流（Imin）：0-400mA；

電流（Imax）：Imin-1000mA;

過(guo)載保護(hu)輸(shu)出(chu)電流值(zhi)：0毫(hao)安。

斜坡時間(jian)(jian)：0-20秒。（0-電流值(zhi)所(suo)需(xu)時間(jian)(jian)。）

溫度漂(piao)移(yi)：0.2mA/℃;

電源指示：綠色；

輸(shu)出工(gong)作指示(shi)：紅色；（隨輸(shu)出電流大小變(bian)化而(er)改變(bian)亮度）外(wai)形(xing)尺寸：54*82*42（長(chang)*寬(kuan)*高）安裝形(xing)式：35MM導軌安裝；

工(gong)作環境溫度：0-70攝氏度。

存儲溫度：-20-80攝氏度。EEA系列VICKERS放大器總經銷實物圖片如下：

EEA系列VICKERS放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)按(an)其(qi)(qi)工(gong)(gong)作(zuo)(zuo)頻(pin)(pin)(pin)帶(dai)的(de)(de)(de)寬(kuan)窄(zhai)劃(hua)分(fen)為窄(zhai)帶(dai)高頻(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)Vickers威格士放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)和寬(kuan)帶(dai)高頻(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)兩種，窄(zhai)帶(dai)高頻(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)通(tong)常以具(ju)有選(xuan)頻(pin)(pin)(pin)濾波(bo)作(zuo)(zuo)用(yong)(yong)(yong)的(de)(de)(de)選(xuan)頻(pin)(pin)(pin)電(dian)(dian)(dian)路(lu)(lu)作(zuo)(zuo)為輸出回(hui)路(lu)(lu)，故又(you)稱為調諧功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)或諧振功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi);寬(kuan)帶(dai)高頻(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)輸出電(dian)(dian)(dian)路(lu)(lu)則(ze)是傳輸線(xian)變壓器(qi)(qi)(qi)(qi)(qi)或其(qi)(qi)他寬(kuan)帶(dai)匹配(pei)電(dian)(dian)(dian)路(lu)(lu)，因此又(you)稱為非調諧功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)。高頻(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)是一種能(neng)(neng)量(liang)轉換(huan)器(qi)(qi)(qi)(qi)(qi)件，它將電(dian)(dian)(dian)源供給的(de)(de)(de)直流(liu)(liu)(liu)能(neng)(neng)量(liang)轉換(huan)成為高頻(pin)(pin)(pin)交流(liu)(liu)(liu)輸出在低頻(pin)(pin)(pin)電(dian)(dian)(dian)子線(xian)路(lu)(lu)課程中(zhong)已知，放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)可以按(an)照電(dian)(dian)(dian)流(liu)(liu)(liu)導通(tong)角(jiao)的(de)(de)(de)不(bu)同，將其(qi)(qi)分(fen)為甲(jia)、乙(yi)、丙(bing)三類(lei)(lei)(lei)工(gong)(gong)作(zuo)(zuo)狀態(tai)。甲(jia)類(lei)(lei)(lei)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)流(liu)(liu)(liu)的(de)(de)(de)流(liu)(liu)(liu)通(tong)角(jiao)為360o，適(shi)用(yong)(yong)(yong)于(yu)(yu)小(xiao)信號低功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)。乙(yi)類(lei)(lei)(lei)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)流(liu)(liu)(liu)的(de)(de)(de)流(liu)(liu)(liu)通(tong)角(jiao)約等(deng)于(yu)(yu)180o;丙(bing)類(lei)(lei)(lei)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)流(liu)(liu)(liu)的(de)(de)(de)流(liu)(liu)(liu)通(tong)角(jiao)則(ze)小(xiao)于(yu)(yu)180o。 乙(yi)類(lei)(lei)(lei)和丙(bing)類(lei)(lei)(lei)都(dou)適(shi)用(yong)(yong)(yong)于(yu)(yu)大(da)(da)(da)(da)(da)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)工(gong)(gong)作(zuo)(zuo)丙(bing)類(lei)(lei)(lei)工(gong)(gong)作(zuo)(zuo)狀態(tai)的(de)(de)(de)輸出功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)和效率(lv)(lv)(lv)是三種工(gong)(gong)作(zuo)(zuo)狀態(tai)中(zhong)者。高頻(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)大(da)(da)(da)(da)(da)多(duo)工(gong)(gong)作(zuo)(zuo)于(yu)(yu)丙(bing)類(lei)(lei)(lei)。但丙(bing)類(lei)(lei)(lei)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)電(dian)(dian)(dian)流(liu)(liu)(liu)波(bo)形(xing)失(shi)真(zhen)太(tai)大(da)(da)(da)(da)(da)，因而不(bu)能(neng)(neng)用(yong)(yong)(yong)于(yu)(yu)低頻(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)，只能(neng)(neng)用(yong)(yong)(yong)于(yu)(yu)采用(yong)(yong)(yong)調諧回(hui)路(lu)(lu)作(zuo)(zuo)為負載(zai)的(de)(de)(de)諧振功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)放(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)。由于(yu)(yu)調諧回(hui)路(lu)(lu)具(ju)有濾波(bo)能(neng)(neng)力(li)，回(hui)路(lu)(lu)電(dian)(dian)(dian)流(liu)(liu)(liu)與電(dian)(dian)(dian)壓仍然極近于(yu)(yu)正(zheng)弦(xian)波(bo)形(xing)，失(shi)真(zhen)很小(xiao)。

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