意大利原產ATOS電子放大器ATOS電(dian)(dian)(dian)(dian)子(zi)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)通(tong)訊系統(tong)中(zhong)(zhong)發送裝置的(de)(de)重要組件。按(an)其工(gong)作(zuo)(zuo)頻(pin)(pin)(pin)(pin)(pin)(pin)帶(dai)(dai)的(de)(de)寬(kuan)(kuan)窄劃分(fen)為(wei)窄帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)和寬(kuan)(kuan)帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)兩(liang)種(zhong)(zhong)，窄帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)通(tong)常以具有(you)選(xuan)(xuan)頻(pin)(pin)(pin)(pin)(pin)(pin)濾(lv)波作(zuo)(zuo)用(yong)(yong)的(de)(de)選(xuan)(xuan)頻(pin)(pin)(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)路(lu)(lu)作(zuo)(zuo)為(wei)輸(shu)(shu)出(chu)(chu)回路(lu)(lu)，故又稱為(wei)調(diao)諧(xie)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)或(huo)諧(xie)振功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)寬(kuan)(kuan)帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)輸(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)路(lu)(lu)則是(shi)傳(chuan)(chuan)輸(shu)(shu)線(xian)變壓(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)或(huo)其他寬(kuan)(kuan)帶(dai)(dai)匹配(pei)電(dian)(dian)(dian)(dian)路(lu)(lu),因此又稱為(wei)非調(diao)諧(xie)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)一種(zhong)(zhong)能(neng)(neng)量(liang)轉(zhuan)換器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)件 ATOS電(dian)(dian)(dian)(dian)子(zi)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)按(an)其工(gong)作(zuo)(zuo)頻(pin)(pin)(pin)(pin)(pin)(pin)帶(dai)(dai)的(de)(de)寬(kuan)(kuan)窄劃分(fen)為(wei)窄帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)和寬(kuan)(kuan)帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)兩(liang)種(zhong)(zhong)，窄帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)通(tong)常以具有(you)選(xuan)(xuan)頻(pin)(pin)(pin)(pin)(pin)(pin)濾(lv)波作(zuo)(zuo)用(yong)(yong)的(de)(de)選(xuan)(xuan)頻(pin)(pin)(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)路(lu)(lu)作(zuo)(zuo)為(wei)輸(shu)(shu)出(chu)(chu)回路(lu)(lu)，故又稱為(wei)調(diao)諧(xie)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)或(huo)諧(xie)振功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi);寬(kuan)(kuan)帶(dai)(dai)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)輸(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)路(lu)(lu)則是(shi)傳(chuan)(chuan)輸(shu)(shu)線(xian)變壓(ya)(ya)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)或(huo)其他寬(kuan)(kuan)帶(dai)(dai)匹配(pei)電(dian)(dian)(dian)(dian)路(lu)(lu)，因此又稱為(wei)非調(diao)諧(xie)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)是(shi)一種(zhong)(zhong)能(neng)(neng)量(liang)轉(zhuan)換器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)件，它(ta)將電(dian)(dian)(dian)(dian)源(yuan)供給的(de)(de)直(zhi)流(liu)能(neng)(neng)量(liang)轉(zhuan)換成為(wei)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)交流(liu)輸(shu)(shu)出(chu)(chu)在 "低頻(pin)(pin)(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)子(zi)線(xian)路(lu)(lu)"課(ke)程中(zhong)(zhong)已知，放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)可以按(an)照電(dian)(dian)(dian)(dian)流(liu)導通(tong)角的(de)(de)不(bu)同(tong)，將其分(fen)為(wei)甲、乙、丙(bing)(bing)三(san)類(lei)(lei)(lei)(lei)工(gong)作(zuo)(zuo)狀態。甲類(lei)(lei)(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)流(liu)的(de)(de)流(liu)通(tong)角為(wei)360o，適用(yong)(yong)于小(xiao)信號低功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)。乙類(lei)(lei)(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)流(liu)的(de)(de)流(liu)通(tong)角約等于 180o;丙(bing)(bing)類(lei)(lei)(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)流(liu)的(de)(de)流(liu)通(tong)角則小(xiao)于180o。乙類(lei)(lei)(lei)(lei)和丙(bing)(bing)類(lei)(lei)(lei)(lei)都適用(yong)(yong)于大(da)(da)(da)(da)(da)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)工(gong)作(zuo)(zuo)丙(bing)(bing)類(lei)(lei)(lei)(lei)工(gong)作(zuo)(zuo)狀態的(de)(de)輸(shu)(shu)出(chu)(chu)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)和效率(lv)(lv)(lv)(lv)(lv)(lv)是(shi)三(san)種(zhong)(zhong)工(gong)作(zuo)(zuo)狀態中(zhong)(zhong)zui高(gao)(gao)(gao)者。高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)大(da)(da)(da)(da)(da)多工(gong)作(zuo)(zuo)于丙(bing)(bing)類(lei)(lei)(lei)(lei)。但丙(bing)(bing)類(lei)(lei)(lei)(lei)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)流(liu)波形失真(zhen)太(tai)大(da)(da)(da)(da)(da)，因而不(bu)能(neng)(neng)用(yong)(yong)于低頻(pin)(pin)(pin)(pin)(pin)(pin)功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)，只能(neng)(neng)用(yong)(yong)于采用(yong)(yong)調(diao)諧(xie)回路(lu)(lu)作(zuo)(zuo)為(wei)負載的(de)(de)諧(xie)振功(gong)(gong)(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)放(fang)(fang)(fang)(fang)(fang)(fang)大(da)(da)(da)(da)(da)。由于調(diao)諧(xie)回路(lu)(lu)具有(you)濾(lv)波能(neng)(neng)力，回路(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)與電(dian)(dian)(dian)(dian)壓(ya)(ya)仍(reng)然極(ji)近于正弦波形，失真(zhen)很小(xiao)。

ATOS電子(zi)放(fang)大器型(xing)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(fang)大器特征：

· 通過電位器調節增益和偏置

· 對稱或非對稱上升或下降斜坡發生器

· 出廠預設

· 鋁質(zhi)殼體防護(hu)等級為IP65

· 輸入和(he)輸出線路(lu)上(shang)增加了電(dian)子濾波器

ATOS放大器(qi)可以(yi)按(an)照電流(liu)導(dao)通角(jiao)的不同(tong)，將其分為甲、乙(yi)(yi)、丙(bing)三類工(gong)作(zuo)狀(zhuang)態(tai)(tai)。甲類放大器(qi)電流(liu)的流(liu)通角(jiao)為360o，適用于(yu)小信(xin)號低(di)功(gong)率(lv)放大。乙(yi)(yi)類放大器(qi)電流(liu)的流(liu)通角(jiao)約即是 180o；丙(bing)類放大器(qi)電流(liu)的流(liu)通角(jiao)則小于(yu)180o。乙(yi)(yi)類和丙(bing)類都適用于(yu)大功(gong)率(lv)工(gong)作(zuo)丙(bing)類工(gong)作(zuo)狀(zhuang)態(tai)(tai)的輸(shu)出功(gong)率(lv)和效(xiao)率(lv)是三種工(gong)作(zuo)狀(zhuang)態(tai)(tai)中z高者。

高頻(pin)功率放(fang)(fang)大(da)(da)器大(da)(da)多(duo)工(gong)作于丙類(lei)。但(dan)丙類(lei)放(fang)(fang)大(da)(da)器的電流(liu)波形(xing)失真太大(da)(da)，因而不(bu)能(neng)用(yong)(yong)于低頻(pin)功率放(fang)(fang)大(da)(da)，只能(neng)用(yong)(yong)于采(cai)用(yong)(yong)調諧回路作為負(fu)載(zai)的諧振功率放(fang)(fang)大(da)(da)。由(you)于調諧回路具有濾波能(neng)力(li)，回路電流(liu)與電壓(ya)仍然極近于正弦(xian)波形(xing)，失真很小。

ATOS電(dian)子(zi)放(fang)(fang)大器是(shi)(shi)模數轉(zhuan)(zhuan)換(huan)電(dian)路(lu)(lu)中的(de)(de)(de)(de)(de)一個(ge)通用、最(zui)重(zhong)要(yao)(yao)(yao)的(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)單元(yuan)。全(quan)(quan)差(cha)(cha)分(fen)(fen)運(yun)(yun)(yun)放(fang)(fang)是(shi)(shi)指輸(shu)(shu)入和輸(shu)(shu)出(chu)(chu)(chu)都是(shi)(shi)差(cha)(cha)分(fen)(fen)信號(hao)的(de)(de)(de)(de)(de)運(yun)(yun)(yun)放(fang)(fang), 與普(pu)通的(de)(de)(de)(de)(de)單端(duan)輸(shu)(shu)出(chu)(chu)(chu)運(yun)(yun)(yun)放(fang)(fang)相比有以下幾個(ge)優點: 輸(shu)(shu)出(chu)(chu)(chu)的(de)(de)(de)(de)(de)電(dian)壓(ya)擺幅(fu)較(jiao)(jiao)大;較(jiao)(jiao)好的(de)(de)(de)(de)(de)抑制共(gong)(gong)模噪聲(sheng);更(geng)(geng)低的(de)(de)(de)(de)(de)噪聲(sheng);抑制諧波失真的(de)(de)(de)(de)(de)偶數階項比較(jiao)(jiao)好等。因此通常(chang)高(gao)(gao)(gao)(gao)性(xing)能(neng)的(de)(de)(de)(de)(de)運(yun)(yun)(yun)放(fang)(fang)多(duo)采用全(quan)(quan)差(cha)(cha)分(fen)(fen)形(xing)式。**來,全(quan)(quan)差(cha)(cha)分(fen)(fen)運(yun)(yun)(yun)放(fang)(fang)更(geng)(geng)高(gao)(gao)(gao)(gao)的(de)(de)(de)(de)(de)單位(wei)增(zeng)益帶寬頻率(lv)及更(geng)(geng)大的(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)(chu)(chu)擺幅(fu)使得它在(zai)高(gao)(gao)(gao)(gao)速和低壓(ya)電(dian)路(lu)(lu)中的(de)(de)(de)(de)(de)應用更(geng)(geng)加(jia)(jia)廣泛(fan)。隨著日益增(zeng)加(jia)(jia)的(de)(de)(de)(de)(de)數據轉(zhuan)(zhuan)換(huan)率(lv), 高(gao)(gao)(gao)(gao)速的(de)(de)(de)(de)(de)模數轉(zhuan)(zhuan)換(huan)器需(xu)求(qiu)越來越廣泛(fan), 而高(gao)(gao)(gao)(gao)速模數轉(zhuan)(zhuan)換(huan)器需(xu)要(yao)(yao)(yao)高(gao)(gao)(gao)(gao)增(zeng)益和高(gao)(gao)(gao)(gao)單位(wei)增(zeng)益帶寬運(yun)(yun)(yun)放(fang)(fang)來滿足系統精(jing)度(du)和快速建立的(de)(de)(de)(de)(de)需(xu)要(yao)(yao)(yao)。速度(du)和精(jing)度(du)是(shi)(shi)模擬電(dian)路(lu)(lu)兩個(ge)最(zui)重(zhong)要(yao)(yao)(yao)的(de)(de)(de)(de)(de)性(xing)能(neng)指標,然而,這(zhe)兩者的(de)(de)(de)(de)(de)要(yao)(yao)(yao)求(qiu)是(shi)(shi)互相制約、互為矛盾的(de)(de)(de)(de)(de)。所以同時(shi)滿足這(zhe)兩方面的(de)(de)(de)(de)(de)要(yao)(yao)(yao)求(qiu)是(shi)(shi)困難的(de)(de)(de)(de)(de)。折疊共(gong)(gong)源共(gong)(gong)柵技術可以較(jiao)(jiao)成(cheng)功地解決這(zhe)一難題(ti), 這(zhe)種(zhong)結構(gou)的(de)(de)(de)(de)(de)運(yun)(yun)(yun)放(fang)(fang)具有較(jiao)(jiao)高(gao)(gao)(gao)(gao)的(de)(de)(de)(de)(de)開(kai)環(huan)增(zeng)益及很高(gao)(gao)(gao)(gao)的(de)(de)(de)(de)(de)單位(wei)增(zeng)益帶寬。全(quan)(quan)差(cha)(cha)分(fen)(fen)運(yun)(yun)(yun)放(fang)(fang)的(de)(de)(de)(de)(de)缺點是(shi)(shi)它外(wai)部反饋環(huan)的(de)(de)(de)(de)(de)共(gong)(gong)模環(huan)路(lu)(lu)增(zeng)益很小(xiao), 輸(shu)(shu)出(chu)(chu)(chu)共(gong)(gong)模電(dian)*不能(neng)精(jing)確確定,因此,一般情況下需(xu)加(jia)(jia)共(gong)(gong)模反饋電(dian)路(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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