意大利原產ATOS電子放大器ATOS電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)通訊系統中(zhong)發送(song)裝(zhuang)置的(de)(de)(de)(de)(de)重要組件。按其工作(zuo)(zuo)(zuo)頻(pin)(pin)(pin)(pin)(pin)(pin)帶(dai)的(de)(de)(de)(de)(de)寬(kuan)(kuan)(kuan)窄劃分為(wei)窄帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)和(he)寬(kuan)(kuan)(kuan)帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)兩(liang)種，窄帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)通常(chang)以(yi)具(ju)(ju)有選頻(pin)(pin)(pin)(pin)(pin)(pin)濾波(bo)(bo)作(zuo)(zuo)(zuo)用(yong)(yong)的(de)(de)(de)(de)(de)選頻(pin)(pin)(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)作(zuo)(zuo)(zuo)為(wei)輸(shu)(shu)出(chu)回(hui)路(lu)，故又稱(cheng)(cheng)為(wei)調(diao)(diao)(diao)(diao)諧(xie)(xie)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)或諧(xie)(xie)振功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)寬(kuan)(kuan)(kuan)帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)則是(shi)(shi)傳輸(shu)(shu)線(xian)(xian)變壓器(qi)(qi)(qi)(qi)(qi)(qi)(qi)或其他(ta)寬(kuan)(kuan)(kuan)帶(dai)匹配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu),因此又稱(cheng)(cheng)為(wei)非調(diao)(diao)(diao)(diao)諧(xie)(xie)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)。高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)一種能量轉換器(qi)(qi)(qi)(qi)(qi)(qi)(qi)件 ATOS電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)按其工作(zuo)(zuo)(zuo)頻(pin)(pin)(pin)(pin)(pin)(pin)帶(dai)的(de)(de)(de)(de)(de)寬(kuan)(kuan)(kuan)窄劃分為(wei)窄帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)和(he)寬(kuan)(kuan)(kuan)帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)兩(liang)種，窄帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)通常(chang)以(yi)具(ju)(ju)有選頻(pin)(pin)(pin)(pin)(pin)(pin)濾波(bo)(bo)作(zuo)(zuo)(zuo)用(yong)(yong)的(de)(de)(de)(de)(de)選頻(pin)(pin)(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)作(zuo)(zuo)(zuo)為(wei)輸(shu)(shu)出(chu)回(hui)路(lu)，故又稱(cheng)(cheng)為(wei)調(diao)(diao)(diao)(diao)諧(xie)(xie)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)或諧(xie)(xie)振功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi);寬(kuan)(kuan)(kuan)帶(dai)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)則是(shi)(shi)傳輸(shu)(shu)線(xian)(xian)變壓器(qi)(qi)(qi)(qi)(qi)(qi)(qi)或其他(ta)寬(kuan)(kuan)(kuan)帶(dai)匹配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，因此又稱(cheng)(cheng)為(wei)非調(diao)(diao)(diao)(diao)諧(xie)(xie)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)。高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)一種能量轉換器(qi)(qi)(qi)(qi)(qi)(qi)(qi)件，它(ta)將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)供給的(de)(de)(de)(de)(de)直流(liu)(liu)(liu)(liu)能量轉換成為(wei)高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)交流(liu)(liu)(liu)(liu)輸(shu)(shu)出(chu)在(zai) "低頻(pin)(pin)(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)線(xian)(xian)路(lu)"課程中(zhong)已知(zhi)，放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)可以(yi)按照(zhao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)導(dao)通角(jiao)的(de)(de)(de)(de)(de)不同，將其分為(wei)甲、乙(yi)(yi)、丙三(san)類(lei)(lei)工作(zuo)(zuo)(zuo)狀(zhuang)(zhuang)態(tai)(tai)。甲類(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)通角(jiao)為(wei)360o，適(shi)用(yong)(yong)于(yu)小信號低功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)。乙(yi)(yi)類(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)通角(jiao)約等于(yu) 180o;丙類(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)通角(jiao)則小于(yu)180o。乙(yi)(yi)類(lei)(lei)和(he)丙類(lei)(lei)都適(shi)用(yong)(yong)于(yu)大(da)(da)(da)(da)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)工作(zuo)(zuo)(zuo)丙類(lei)(lei)工作(zuo)(zuo)(zuo)狀(zhuang)(zhuang)態(tai)(tai)的(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)和(he)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)是(shi)(shi)三(san)種工作(zuo)(zuo)(zuo)狀(zhuang)(zhuang)態(tai)(tai)中(zhong)zui高(gao)(gao)(gao)(gao)者。高(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)大(da)(da)(da)(da)多工作(zuo)(zuo)(zuo)于(yu)丙類(lei)(lei)。但丙類(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)波(bo)(bo)形(xing)失真太(tai)大(da)(da)(da)(da)，因而不能用(yong)(yong)于(yu)低頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)，只能用(yong)(yong)于(yu)采用(yong)(yong)調(diao)(diao)(diao)(diao)諧(xie)(xie)回(hui)路(lu)作(zuo)(zuo)(zuo)為(wei)負載的(de)(de)(de)(de)(de)諧(xie)(xie)振功(gong)(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)。由于(yu)調(diao)(diao)(diao)(diao)諧(xie)(xie)回(hui)路(lu)具(ju)(ju)有濾波(bo)(bo)能力，回(hui)路(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓仍然極近(jin)于(yu)正(zheng)弦波(bo)(bo)形(xing)，失真很小。

ATOS電子放大器型號：

E-ME-AC-05F 20 /4　

E-ME-AC-05F 20 /A3　

E-ME-AC-05F/4R-4 20 /3　

E-ME-AC-05F/4R-4 20 /4　

E-ME-AC-05F/I 20　

E-ME-AC-05F/I 20 /3　

E-ME-AC-05F/I 20 /4　

E-ME-AC-05F/RR 20　

E-ME-AC-05F/RR 20 /3　

E-ME-AC-05F/RR 20 /4　

E-ME-AC-05F/RR-4 20 /3　

E-ME-AC-05F/RR-4 20 /4　

E-ME-AC-05F-4 20 /3　

ATOS電子放大器特(te)征(zheng)：

· 通過電位器(qi)調節增益和(he)偏置

· 對稱或非對稱上升或下降斜坡發生(sheng)器

· 出廠預設

· 鋁質(zhi)殼體(ti)防護等級為IP65

· 輸(shu)入(ru)和輸(shu)出線路上增加了電子(zi)濾波器

ATOS放(fang)(fang)大(da)(da)器(qi)可以按(an)照電(dian)流(liu)(liu)導通(tong)角的(de)不同，將其分為甲(jia)、乙(yi)、丙(bing)(bing)三類工(gong)作(zuo)狀(zhuang)態。甲(jia)類放(fang)(fang)大(da)(da)器(qi)電(dian)流(liu)(liu)的(de)流(liu)(liu)通(tong)角為360o，適用(yong)于(yu)小(xiao)信號(hao)低功(gong)率放(fang)(fang)大(da)(da)。乙(yi)類放(fang)(fang)大(da)(da)器(qi)電(dian)流(liu)(liu)的(de)流(liu)(liu)通(tong)角約即是 180o；丙(bing)(bing)類放(fang)(fang)大(da)(da)器(qi)電(dian)流(liu)(liu)的(de)流(liu)(liu)通(tong)角則小(xiao)于(yu)180o。乙(yi)類和(he)丙(bing)(bing)類都適用(yong)于(yu)大(da)(da)功(gong)率工(gong)作(zuo)丙(bing)(bing)類工(gong)作(zuo)狀(zhuang)態的(de)輸(shu)出功(gong)率和(he)效率是三種(zhong)工(gong)作(zuo)狀(zhuang)態中z高者。

高頻功(gong)(gong)率(lv)(lv)放(fang)大(da)器大(da)多工(gong)作(zuo)于(yu)丙類(lei)。但丙類(lei)放(fang)大(da)器的電流波形失真(zhen)太大(da)，因而不能用(yong)于(yu)低頻功(gong)(gong)率(lv)(lv)放(fang)大(da)，只(zhi)能用(yong)于(yu)采用(yong)調(diao)諧(xie)回(hui)路作(zuo)為負載(zai)的諧(xie)振功(gong)(gong)率(lv)(lv)放(fang)大(da)。由于(yu)調(diao)諧(xie)回(hui)路具有濾波能力，回(hui)路電流與(yu)電壓仍然極近于(yu)正弦波形，失真(zhen)很(hen)小。

ATOS電(dian)(dian)子放(fang)(fang)(fang)(fang)(fang)大(da)(da)器(qi)是模數(shu)轉(zhuan)換電(dian)(dian)路(lu)(lu)(lu)中的(de)(de)一個通(tong)用、最重要(yao)的(de)(de)的(de)(de)單(dan)元。全(quan)(quan)差(cha)分(fen)(fen)(fen)運放(fang)(fang)(fang)(fang)(fang)是指(zhi)輸(shu)(shu)入和(he)輸(shu)(shu)出(chu)都(dou)是差(cha)分(fen)(fen)(fen)信號(hao)的(de)(de)運放(fang)(fang)(fang)(fang)(fang), 與(yu)普通(tong)的(de)(de)單(dan)端輸(shu)(shu)出(chu)運放(fang)(fang)(fang)(fang)(fang)相(xiang)比有以(yi)下幾個優點: 輸(shu)(shu)出(chu)的(de)(de)電(dian)(dian)壓(ya)(ya)擺幅(fu)較大(da)(da);較好的(de)(de)抑(yi)制共(gong)(gong)模噪聲(sheng);更低(di)的(de)(de)噪聲(sheng);抑(yi)制諧波失真(zhen)的(de)(de)偶數(shu)階(jie)項比較好等。因(yin)此通(tong)常(chang)高(gao)(gao)性能(neng)的(de)(de)運放(fang)(fang)(fang)(fang)(fang)多采用全(quan)(quan)差(cha)分(fen)(fen)(fen)形式。**來,全(quan)(quan)差(cha)分(fen)(fen)(fen)運放(fang)(fang)(fang)(fang)(fang)更高(gao)(gao)的(de)(de)單(dan)位(wei)(wei)增(zeng)(zeng)益(yi)(yi)帶寬(kuan)頻率(lv)及(ji)更大(da)(da)的(de)(de)輸(shu)(shu)出(chu)擺幅(fu)使得它在高(gao)(gao)速(su)和(he)低(di)壓(ya)(ya)電(dian)(dian)路(lu)(lu)(lu)中的(de)(de)應用更加廣泛。隨著日益(yi)(yi)增(zeng)(zeng)加的(de)(de)數(shu)據(ju)轉(zhuan)換率(lv), 高(gao)(gao)速(su)的(de)(de)模數(shu)轉(zhuan)換器(qi)需求越來越廣泛, 而高(gao)(gao)速(su)模數(shu)轉(zhuan)換器(qi)需要(yao)高(gao)(gao)增(zeng)(zeng)益(yi)(yi)和(he)高(gao)(gao)單(dan)位(wei)(wei)增(zeng)(zeng)益(yi)(yi)帶寬(kuan)運放(fang)(fang)(fang)(fang)(fang)來滿(man)(man)足系(xi)統精度和(he)快速(su)建立的(de)(de)需要(yao)。速(su)度和(he)精度是模擬電(dian)(dian)路(lu)(lu)(lu)兩個最重要(yao)的(de)(de)性能(neng)指(zhi)標,然(ran)而,這(zhe)兩者的(de)(de)要(yao)求是互(hu)相(xiang)制約、互(hu)為矛盾的(de)(de)。所以(yi)同時滿(man)(man)足這(zhe)兩方(fang)面的(de)(de)要(yao)求是困(kun)難(nan)的(de)(de)。折疊共(gong)(gong)源共(gong)(gong)柵技術(shu)可以(yi)較成功(gong)地解決這(zhe)一難(nan)題, 這(zhe)種結(jie)構的(de)(de)運放(fang)(fang)(fang)(fang)(fang)具有較高(gao)(gao)的(de)(de)開環(huan)(huan)增(zeng)(zeng)益(yi)(yi)及(ji)很高(gao)(gao)的(de)(de)單(dan)位(wei)(wei)增(zeng)(zeng)益(yi)(yi)帶寬(kuan)。全(quan)(quan)差(cha)分(fen)(fen)(fen)運放(fang)(fang)(fang)(fang)(fang)的(de)(de)缺點是它外部(bu)反饋(kui)環(huan)(huan)的(de)(de)共(gong)(gong)模環(huan)(huan)路(lu)(lu)(lu)增(zeng)(zeng)益(yi)(yi)很小, 輸(shu)(shu)出(chu)共(gong)(gong)模電(dian)(dian)*不能(neng)精確(que)確(que)定,因(yin)此,一般情(qing)況(kuang)下需加共(gong)(gong)模反饋(kui)電(dian)(dian)路(lu)(lu)(lu) 。

ATOS放大器基本特性：增益是指放大器能在多大程度上增大信號的幅值。該參數常用分貝（dB）來度量。 用數學語言來說，增益等于輸出幅值除以輸入幅值。（對功率放大器而言，用分貝表示的增益可以由此關系式計算：G(dB)=10log(Pout/Pin)(Electrical)增益為常數，相移與頻率成正比。 即放大器對不同頻率的信號具有相同的放大量，并且對任何頻率的信號的相移均為零。輸出動態范圍，常用dB為單位給出，是指z大與z小有用輸出幅值之間的范圍。因為z低的有用幅值受限于輸出噪聲，所以稱之為放大器的動態范圍。該結構共用了共模放大器和差模放大器的輸入級中電流鏡及輸出負載。這樣,一方面降低了功耗; 另一方面保證共模放大器與差模放大器在交流特性上保持一致。因為共模放大器的輸出級與差模放大器的輸出級可以完共用,電容補償電路也一樣。只要差模放大器頻率特性是穩定的,則共模負反饋也是穩定的。這種共模負反饋電路使得全差分運算放大器可以像單端輸出的運算放大器一樣設計, 而不用考慮共模負反饋電路對全差分放大器的影響 。意大利原產ATOS電子放大器

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