選擇合適的(de)(de)(de)(de)通信(xin)系統(tong)運(yun)算放(fang)大(da)(da)(da)(da)器(qi)(qi)需(xu)(xu)(xu)(xu)(xu)要(yao)(yao)考(kao)慮(lv)以下幾個因素：1. 供(gong)(gong)電(dian)電(dian)壓(ya)：要(yao)(yao)挑選供(gong)(gong)電(dian)電(dian)壓(ya)相(xiang)同的(de)(de)(de)(de)運(yun)算放(fang)大(da)(da)(da)(da)器(qi)(qi)和模數轉換器(qi)(qi)。此外，還(huan)應考(kao)慮(lv)其供(gong)(gong)電(dian)范圍(wei)(wei)是(shi)(shi)(shi)否滿足信(xin)號振幅(fu)范圍(wei)(wei)要(yao)(yao)求(qiu)。2. 失真：應選擇THD+N（總諧(xie)波失真加(jia)噪(zao)聲(sheng)）小(xiao)的(de)(de)(de)(de)運(yun)算放(fang)大(da)(da)(da)(da)器(qi)(qi)。如(ru)果不(bu)能查找到失真數據，可(ke)以查看輸出(chu)阻抗：輸出(chu)阻抗小(xiao)的(de)(de)(de)(de)運(yun)算放(fang)大(da)(da)(da)(da)器(qi)(qi)通常(chang)意(yi)味著(zhu)更小(xiao)的(de)(de)(de)(de)THD。3. 速(su)度：速(su)度是(shi)(shi)(shi)另(ling)外一(yi)個必(bi)須(xu)考(kao)慮(lv)的(de)(de)(de)(de)參數。盡(jin)管更快的(de)(de)(de)(de)運(yun)算放(fang)大(da)(da)(da)(da)器(qi)(qi)速(su)度用起來非常(chang)舒服，但必(bi)須(xu)考(kao)慮(lv)一(yi)些折衷因素，譬如(ru)更高(gao)的(de)(de)(de)(de)功率(lv)和偶爾(er)的(de)(de)(de)(de)不(bu)穩定。4. 帶寬：針(zhen)對頻(pin)率(lv)較(jiao)高(gao)信(xin)號，需(xu)(xu)(xu)(xu)(xu)要(yao)(yao)關(guan)注運(yun)放(fang)的(de)(de)(de)(de)帶寬是(shi)(shi)(shi)否遠大(da)(da)(da)(da)于信(xin)號頻(pin)率(lv)值。若需(xu)(xu)(xu)(xu)(xu)要(yao)(yao)對高(gao)頻(pin)信(xin)號進行放(fang)大(da)(da)(da)(da)，需(xu)(xu)(xu)(xu)(xu)要(yao)(yao)關(guan)注運(yun)放(fang)的(de)(de)(de)(de)增益帶寬積是(shi)(shi)(shi)否滿足需(xu)(xu)(xu)(xu)(xu)求(qiu)。5. 壓(ya)擺(bai)率(lv)：需(xu)(xu)(xu)(xu)(xu)要(yao)(yao)關(guan)注運(yun)放(fang)的(de)(de)(de)(de)壓(ya)擺(bai)率(lv)是(shi)(shi)(shi)否滿足要(yao)(yao)求(qiu)。有(you)些信(xin)號對上升延時比較(jiao)敏感，運(yun)放(fang)從0V到輸出(chu)5V是(shi)(shi)(shi)需(xu)(xu)(xu)(xu)(xu)要(yao)(yao)一(yi)個過程的(de)(de)(de)(de)。不(bu)同的(de)(de)(de)(de)運(yun)放(fang)這個上升過程的(de)(de)(de)(de)時間不(bu)一(yi)樣(yang)。6. 共模抑制(zhi)比：針(zhen)對某些差(cha)分電(dian)路(lu)，需(xu)(xu)(xu)(xu)(xu)要(yao)(yao)考(kao)慮(lv)運(yun)放(fang)的(de)(de)(de)(de)共模抑制(zhi)比。運(yun)算放(fang)大(da)(da)(da)(da)器(qi)(qi)可(ke)以通過添加(jia)電(dian)容(rong)來實(shi)現頻(pin)率(lv)補償。單通道(dao)放(fang)大(da)(da)(da)(da)器(qi)(qi)公司

通(tong)信(xin)系統中的(de)(de)(de)(de)(de)(de)運算放(fang)(fang)大(da)(da)(da)器是電路中非常重要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)部分(fen)，而(er)靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)則是運算放(fang)(fang)大(da)(da)(da)器中一個重要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)概(gai)念。靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)主(zhu)要(yao)(yao)(yao)有以(yi)下幾(ji)點：1. 穩(wen)定(ding)工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)點：靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)可(ke)(ke)(ke)以(yi)確保(bao)三極(ji)管的(de)(de)(de)(de)(de)(de)工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)點在(zai)合(he)(he)適的(de)(de)(de)(de)(de)(de)范圍內，從(cong)而(er)保(bao)證(zheng)(zheng)(zheng)電路的(de)(de)(de)(de)(de)(de)穩(wen)定(ding)性(xing)(xing)(xing)和(he)(he)(he)(he)可(ke)(ke)(ke)靠(kao)性(xing)(xing)(xing)。在(zai)通(tong)信(xin)系統中，由于(yu)信(xin)號(hao)的(de)(de)(de)(de)(de)(de)頻率和(he)(he)(he)(he)幅度(du)可(ke)(ke)(ke)能(neng)會發生(sheng)變化，因(yin)此需(xu)要(yao)(yao)(yao)一個穩(wen)定(ding)的(de)(de)(de)(de)(de)(de)靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)來確保(bao)放(fang)(fang)大(da)(da)(da)器能(neng)夠在(zai)不同的(de)(de)(de)(de)(de)(de)條件下保(bao)持(chi)穩(wen)定(ding)的(de)(de)(de)(de)(de)(de)工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)狀態(tai)(tai)(tai)(tai)(tai)。2. 提(ti)(ti)高(gao)(gao)線(xian)性(xing)(xing)(xing)度(du)：合(he)(he)適的(de)(de)(de)(de)(de)(de)靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)可(ke)(ke)(ke)以(yi)使(shi)三極(ji)管在(zai)放(fang)(fang)大(da)(da)(da)電路中工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)于(yu)線(xian)性(xing)(xing)(xing)區(qu)，從(cong)而(er)提(ti)(ti)高(gao)(gao)電路的(de)(de)(de)(de)(de)(de)線(xian)性(xing)(xing)(xing)度(du)。在(zai)通(tong)信(xin)系統中，信(xin)號(hao)的(de)(de)(de)(de)(de)(de)還原(yuan)度(du)和(he)(he)(he)(he)線(xian)性(xing)(xing)(xing)度(du)是非常重要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)，因(yin)此需(xu)要(yao)(yao)(yao)使(shi)用(yong)(yong)(yong)合(he)(he)適的(de)(de)(de)(de)(de)(de)靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)來保(bao)證(zheng)(zheng)(zheng)放(fang)(fang)大(da)(da)(da)器處(chu)于(yu)線(xian)性(xing)(xing)(xing)放(fang)(fang)大(da)(da)(da)區(qu)域，減小非線(xian)性(xing)(xing)(xing)失(shi)(shi)真(zhen)。3. 降(jiang)低失(shi)(shi)真(zhen)：靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)可(ke)(ke)(ke)以(yi)減小電路的(de)(de)(de)(de)(de)(de)失(shi)(shi)真(zhen)度(du)，提(ti)(ti)高(gao)(gao)信(xin)號(hao)的(de)(de)(de)(de)(de)(de)還原(yuan)度(du)。在(zai)通(tong)信(xin)系統中，信(xin)號(hao)的(de)(de)(de)(de)(de)(de)失(shi)(shi)真(zhen)可(ke)(ke)(ke)能(neng)會影響通(tong)信(xin)質(zhi)量和(he)(he)(he)(he)可(ke)(ke)(ke)靠(kao)性(xing)(xing)(xing)，因(yin)此需(xu)要(yao)(yao)(yao)使(shi)用(yong)(yong)(yong)合(he)(he)適的(de)(de)(de)(de)(de)(de)靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)來保(bao)證(zheng)(zheng)(zheng)放(fang)(fang)大(da)(da)(da)器處(chu)于(yu)較佳(jia)的(de)(de)(de)(de)(de)(de)工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)狀態(tai)(tai)(tai)(tai)(tai)，從(cong)而(er)減小失(shi)(shi)真(zhen)。4. 提(ti)(ti)高(gao)(gao)工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)效(xiao)率：合(he)(he)適的(de)(de)(de)(de)(de)(de)靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)可(ke)(ke)(ke)以(yi)提(ti)(ti)高(gao)(gao)放(fang)(fang)大(da)(da)(da)器的(de)(de)(de)(de)(de)(de)工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)效(xiao)率。在(zai)通(tong)信(xin)系統中，放(fang)(fang)大(da)(da)(da)器需(xu)要(yao)(yao)(yao)消耗一定(ding)的(de)(de)(de)(de)(de)(de)能(neng)量來完成信(xin)號(hao)的(de)(de)(de)(de)(de)(de)放(fang)(fang)大(da)(da)(da)，而(er)合(he)(he)適的(de)(de)(de)(de)(de)(de)靜(jing)態(tai)(tai)(tai)(tai)(tai)偏(pian)(pian)置(zhi)可(ke)(ke)(ke)以(yi)使(shi)放(fang)(fang)大(da)(da)(da)器在(zai)低功耗下工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)，從(cong)而(er)提(ti)(ti)高(gao)(gao)工作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)效(xiao)率。重慶(qing)激光位移傳感器放(fang)(fang)大(da)(da)(da)器廠(chang)商雷達(da)放(fang)(fang)大(da)(da)(da)器有助于(yu)克(ke)服(fu)信(xin)號(hao)噪聲(sheng)和(he)(he)(he)(he)干擾(rao)，從(cong)而(er)提(ti)(ti)高(gao)(gao)目標的(de)(de)(de)(de)(de)(de)檢測精(jing)度(du)和(he)(he)(he)(he)可(ke)(ke)(ke)靠(kao)性(xing)(xing)(xing)。

雷(lei)達(da)放大(da)(da)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)尺寸(cun)(cun)(cun)和重(zhong)(zhong)(zhong)量(liang)(liang)(liang)對系(xi)統(tong)(tong)設計(ji)(ji)有著重(zhong)(zhong)(zhong)要的(de)(de)(de)(de)(de)影響(xiang)。首先，放大(da)(da)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)尺寸(cun)(cun)(cun)直(zhi)接關系(xi)到(dao)其(qi)裝配(pei)和布局的(de)(de)(de)(de)(de)靈活性(xing)(xing)。一般來說，放大(da)(da)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)尺寸(cun)(cun)(cun)越小(xiao)(xiao)，就越容易(yi)將其(qi)集成到(dao)現有的(de)(de)(de)(de)(de)系(xi)統(tong)(tong)中，同(tong)時(shi)也(ye)(ye)可以(yi)減小(xiao)(xiao)整(zheng)個(ge)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)尺寸(cun)(cun)(cun)和重(zhong)(zhong)(zhong)量(liang)(liang)(liang)。此外，較小(xiao)(xiao)的(de)(de)(de)(de)(de)放大(da)(da)器(qi)(qi)(qi)(qi)也(ye)(ye)更(geng)容易(yi)適(shi)(shi)應(ying)(ying)(ying)不(bu)同(tong)的(de)(de)(de)(de)(de)應(ying)(ying)(ying)用(yong)場(chang)景，提高了系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)可移動(dong)性(xing)(xing)和適(shi)(shi)應(ying)(ying)(ying)性(xing)(xing)。其(qi)次，放大(da)(da)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)重(zhong)(zhong)(zhong)量(liang)(liang)(liang)對于(yu)系(xi)統(tong)(tong)設計(ji)(ji)來說也(ye)(ye)是非(fei)常重(zhong)(zhong)(zhong)要的(de)(de)(de)(de)(de)因(yin)素。重(zhong)(zhong)(zhong)量(liang)(liang)(liang)輕(qing)的(de)(de)(de)(de)(de)放大(da)(da)器(qi)(qi)(qi)(qi)可以(yi)降(jiang)低整(zheng)個(ge)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)重(zhong)(zhong)(zhong)量(liang)(liang)(liang)，使得系(xi)統(tong)(tong)更(geng)加便攜和易(yi)于(yu)安(an)裝。此外，重(zhong)(zhong)(zhong)量(liang)(liang)(liang)輕(qing)的(de)(de)(de)(de)(de)放大(da)(da)器(qi)(qi)(qi)(qi)還可以(yi)降(jiang)低對電源的(de)(de)(de)(de)(de)需求，從而減少系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)功耗(hao)，延長(chang)其(qi)續航時(shi)間。綜上(shang)所述，雷(lei)達(da)放大(da)(da)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)尺寸(cun)(cun)(cun)和重(zhong)(zhong)(zhong)量(liang)(liang)(liang)對系(xi)統(tong)(tong)設計(ji)(ji)有很大(da)(da)的(de)(de)(de)(de)(de)影響(xiang)。較小(xiao)(xiao)的(de)(de)(de)(de)(de)尺寸(cun)(cun)(cun)和較輕(qing)的(de)(de)(de)(de)(de)重(zhong)(zhong)(zhong)量(liang)(liang)(liang)可以(yi)提高系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)靈活性(xing)(xing)和便攜性(xing)(xing)，同(tong)時(shi)也(ye)(ye)可以(yi)降(jiang)低系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)功耗(hao)和成本。因(yin)此，在設計(ji)(ji)和選擇雷(lei)達(da)放大(da)(da)器(qi)(qi)(qi)(qi)時(shi)，應(ying)(ying)(ying)充分考慮其(qi)尺寸(cun)(cun)(cun)和重(zhong)(zhong)(zhong)量(liang)(liang)(liang)等因(yin)素，以(yi)確保整(zheng)個(ge)系(xi)統(tong)(tong)能夠滿(man)足實際需求并具(ju)有較高的(de)(de)(de)(de)(de)性(xing)(xing)能表現。

在雷(lei)達(da)系(xi)統(tong)(tong)中，信(xin)(xin)(xin)號(hao)(hao)(hao)調(diao)理和預處(chu)理的(de)(de)目(mu)的(de)(de)是為了(le)改善雷(lei)達(da)的(de)(de)性能，提(ti)高(gao)其(qi)檢測能力(li)和抗(kang)干擾(rao)能力(li)。首先(xian)，雷(lei)達(da)放(fang)大(da)(da)器(qi)(qi)通(tong)過(guo)接收(shou)來自雷(lei)達(da)天線的(de)(de)信(xin)(xin)(xin)號(hao)(hao)(hao)，對其(qi)進行初步的(de)(de)放(fang)大(da)(da)和濾波(bo)。這(zhe)(zhe)個過(guo)程可(ke)(ke)以(yi)(yi)增強(qiang)信(xin)(xin)(xin)號(hao)(hao)(hao)的(de)(de)強(qiang)度(du)，同時減(jian)少噪聲(sheng)和其(qi)他無用信(xin)(xin)(xin)號(hao)(hao)(hao)的(de)(de)干擾(rao)。其(qi)次(ci)，為了(le)進一(yi)步增強(qiang)信(xin)(xin)(xin)號(hao)(hao)(hao)的(de)(de)質量，雷(lei)達(da)放(fang)大(da)(da)器(qi)(qi)可(ke)(ke)能會(hui)包括一(yi)個頻率或相(xiang)位校準系(xi)統(tong)(tong)。這(zhe)(zhe)種系(xi)統(tong)(tong)可(ke)(ke)以(yi)(yi)糾(jiu)正信(xin)(xin)(xin)號(hao)(hao)(hao)的(de)(de)頻率誤差或相(xiang)位偏差，確(que)保信(xin)(xin)(xin)號(hao)(hao)(hao)的(de)(de)準確(que)性。此外，為了(le)提(ti)高(gao)雷(lei)達(da)在復(fu)雜環境中的(de)(de)性能，雷(lei)達(da)放(fang)大(da)(da)器(qi)(qi)可(ke)(ke)能還包含一(yi)個自動增益(yi)控制(zhi)（AGC）系(xi)統(tong)(tong)。AGC系(xi)統(tong)(tong)可(ke)(ke)以(yi)(yi)自動調(diao)整放(fang)大(da)(da)器(qi)(qi)的(de)(de)增益(yi)，使(shi)得輸(shu)出的(de)(de)信(xin)(xin)(xin)號(hao)(hao)(hao)強(qiang)度(du)保持在一(yi)個恒定的(de)(de)水平(ping)，從而避(bi)免因信(xin)(xin)(xin)號(hao)(hao)(hao)強(qiang)度(du)變(bian)化而導致(zhi)的(de)(de)檢測能力(li)下降。同時，為了(le)提(ti)高(gao)雷(lei)達(da)的(de)(de)抗(kang)干擾(rao)能力(li)，雷(lei)達(da)放(fang)大(da)(da)器(qi)(qi)可(ke)(ke)能會(hui)包含一(yi)個濾波(bo)器(qi)(qi)或者(zhe)頻率捷變(bian)系(xi)統(tong)(tong)。濾波(bo)器(qi)(qi)可(ke)(ke)以(yi)(yi)阻止(zhi)特定頻率的(de)(de)干擾(rao)信(xin)(xin)(xin)號(hao)(hao)(hao)，而頻率捷變(bian)系(xi)統(tong)(tong)則可(ke)(ke)以(yi)(yi)通(tong)過(guo)快速改變(bian)雷(lei)達(da)的(de)(de)發(fa)射頻率，來避(bi)免被敵方(fang)雷(lei)達(da)探測到。運(yun)算放(fang)大(da)(da)器(qi)(qi)的(de)(de)輸(shu)入電(dian)(dian)壓范圍可(ke)(ke)以(yi)(yi)通(tong)過(guo)增加正負電(dian)(dian)源電(dian)(dian)壓來調(diao)節(jie)。

運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)是一種(zhong)(zhong)極(ji)(ji)其重要的(de)(de)(de)(de)電(dian)(dian)子器(qi)(qi)(qi)(qi)(qi)(qi)件，普遍應(ying)(ying)(ying)用(yong)(yong)于(yu)各種(zhong)(zhong)不同的(de)(de)(de)(de)應(ying)(ying)(ying)用(yong)(yong)領(ling)域(yu)(yu)和場(chang)景。以下是一些主要的(de)(de)(de)(de)應(ying)(ying)(ying)用(yong)(yong)領(ling)域(yu)(yu)：1.模(mo)擬(ni)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)放(fang)(fang)大(da)(da)：運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)較(jiao)(jiao)基(ji)本的(de)(de)(de)(de)作(zuo)用(yong)(yong)之一是模(mo)擬(ni)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)放(fang)(fang)大(da)(da)。它(ta)可(ke)(ke)以用(yong)(yong)于(yu)放(fang)(fang)大(da)(da)來自傳感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)、麥克風、熱(re)電(dian)(dian)偶等模(mo)擬(ni)源的(de)(de)(de)(de)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)，使(shi)得這些信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)能(neng)夠被(bei)進(jin)一步處(chu)理或使(shi)用(yong)(yong)。2.音(yin)頻(pin)(pin)放(fang)(fang)大(da)(da)：在音(yin)頻(pin)(pin)系統(tong)中(zhong)(zhong)，運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)常常被(bei)用(yong)(yong)來放(fang)(fang)大(da)(da)音(yin)頻(pin)(pin)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)，從麥克風的(de)(de)(de)(de)聲音(yin)到(dao)音(yin)樂播放(fang)(fang)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)輸出，都可(ke)(ke)以看(kan)到(dao)它(ta)的(de)(de)(de)(de)身影。它(ta)能(neng)夠將(jiang)微(wei)弱(ruo)的(de)(de)(de)(de)電(dian)(dian)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)轉化為足夠大(da)(da)的(de)(de)(de)(de)電(dian)(dian)流，驅動揚(yang)聲器(qi)(qi)(qi)(qi)(qi)(qi)發聲。3.反饋(kui)控(kong)(kong)制(zhi)系統(tong)：在反饋(kui)控(kong)(kong)制(zhi)系統(tong)中(zhong)(zhong)，運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)被(bei)用(yong)(yong)作(zuo)比(bi)較(jiao)(jiao)器(qi)(qi)(qi)(qi)(qi)(qi)和放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)，將(jiang)傳感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)檢測到(dao)的(de)(de)(de)(de)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)與參考(kao)信(xin)(xin)號(hao)(hao)(hao)(hao)(hao)(hao)進(jin)行比(bi)較(jiao)(jiao)，并根據差值來控(kong)(kong)制(zhi)系統(tong)的(de)(de)(de)(de)行為。這種(zhong)(zhong)應(ying)(ying)(ying)用(yong)(yong)在工業自動化、無人機控(kong)(kong)制(zhi)、溫度控(kong)(kong)制(zhi)等領(ling)域(yu)(yu)都有普遍的(de)(de)(de)(de)應(ying)(ying)(ying)用(yong)(yong)。4.運(yun)(yun)算(suan)電(dian)(dian)路：由于(yu)運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)增(zeng)益極(ji)(ji)高，輸入(ru)阻(zu)抗大(da)(da)，輸出阻(zu)抗小，因此(ci)它(ta)還可(ke)(ke)以用(yong)(yong)作(zuo)運(yun)(yun)算(suan)電(dian)(dian)路，例如(ru)加法器(qi)(qi)(qi)(qi)(qi)(qi)、減法器(qi)(qi)(qi)(qi)(qi)(qi)、微(wei)分(fen)器(qi)(qi)(qi)(qi)(qi)(qi)和積(ji)分(fen)器(qi)(qi)(qi)(qi)(qi)(qi)等。5.有源濾(lv)(lv)波器(qi)(qi)(qi)(qi)(qi)(qi)：在有源濾(lv)(lv)波器(qi)(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)，運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)作(zuo)為中(zhong)(zhong)心器(qi)(qi)(qi)(qi)(qi)(qi)件，可(ke)(ke)以用(yong)(yong)于(yu)實現各種(zhong)(zhong)濾(lv)(lv)波功能(neng)，如(ru)低(di)通濾(lv)(lv)波器(qi)(qi)(qi)(qi)(qi)(qi)、高通濾(lv)(lv)波器(qi)(qi)(qi)(qi)(qi)(qi)和帶通濾(lv)(lv)波器(qi)(qi)(qi)(qi)(qi)(qi)等。6.非(fei)線性應(ying)(ying)(ying)用(yong)(yong)：在某(mou)些非(fei)線性應(ying)(ying)(ying)用(yong)(yong)中(zhong)(zhong)，如(ru)音(yin)頻(pin)(pin)壓縮(suo)、限幅等，運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)也發揮了(le)關(guan)鍵(jian)作(zuo)用(yong)(yong)。在無反饋(kui)連接的(de)(de)(de)(de)情況下，運(yun)(yun)算(suan)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)可(ke)(ke)以作(zuo)為電(dian)(dian)壓跟隨器(qi)(qi)(qi)(qi)(qi)(qi)或緩沖器(qi)(qi)(qi)(qi)(qi)(qi)使(shi)用(yong)(yong)，以簡化電(dian)(dian)路設(she)計。重慶激光位移傳感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)放(fang)(fang)大(da)(da)器(qi)(qi)(qi)(qi)(qi)(qi)廠商

雷達放(fang)(fang)大(da)器(qi)通過放(fang)(fang)大(da)電磁(ci)信號，使得雷達系(xi)統能夠更好(hao)地捕捉目標信息。單(dan)通道放(fang)(fang)大(da)器(qi)公司

在電(dian)(dian)(dian)(dian)(dian)路(lu)設(she)計中，選(xuan)(xuan)(xuan)(xuan)擇合(he)適的(de)(de)(de)(de)負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)以保證運(yun)(yun)算(suan)(suan)放(fang)(fang)大器(qi)(qi)的(de)(de)(de)(de)正(zheng)常(chang)工作(zuo)是一個關鍵步驟。以下是一些(xie)因(yin)(yin)素需(xu)要(yao)考慮：1. 電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)：負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)(de)值(zhi)(zhi)應(ying)根(gen)據輸(shu)入信(xin)號(hao)的(de)(de)(de)(de)大小(xiao)(xiao)和(he)(he)電(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)特性來選(xuan)(xuan)(xuan)(xuan)擇。如(ru)果(guo)負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)過大，會(hui)導(dao)(dao)致(zhi)(zhi)輸(shu)出信(xin)號(hao)的(de)(de)(de)(de)幅度過大，從(cong)而可(ke)(ke)能(neng)(neng)(neng)使運(yun)(yun)算(suan)(suan)放(fang)(fang)大器(qi)(qi)進入非線(xian)性工作(zuo)區(qu)。反之，如(ru)果(guo)負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)過小(xiao)(xiao)，則(ze)可(ke)(ke)能(neng)(neng)(neng)導(dao)(dao)致(zhi)(zhi)輸(shu)出信(xin)號(hao)幅度不足(zu)(zu)，無法(fa)滿(man)足(zu)(zu)電(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)需(xu)求(qiu)。2. 頻率(lv)響應(ying)：在高頻情(qing)況下，負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)(de)選(xuan)(xuan)(xuan)(xuan)型應(ying)考慮到其頻率(lv)響應(ying)。高頻時，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)和(he)(he)電(dian)(dian)(dian)(dian)(dian)感(gan)量(liang)會(hui)影響電(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)性能(neng)(neng)(neng)。因(yin)(yin)此(ci)，應(ying)選(xuan)(xuan)(xuan)(xuan)擇低電(dian)(dian)(dian)(dian)(dian)感(gan)值(zhi)(zhi)的(de)(de)(de)(de)負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。3. 電(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)壓：電(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)壓也是選(xuan)(xuan)(xuan)(xuan)擇負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)(de)重要(yao)因(yin)(yin)素。如(ru)果(guo)電(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)壓過低，可(ke)(ke)能(neng)(neng)(neng)會(hui)導(dao)(dao)致(zhi)(zhi)運(yun)(yun)算(suan)(suan)放(fang)(fang)大器(qi)(qi)的(de)(de)(de)(de)輸(shu)出信(xin)號(hao)失真(zhen)。因(yin)(yin)此(ci)，在選(xuan)(xuan)(xuan)(xuan)擇負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)時，應(ying)確保電(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)壓能(neng)(neng)(neng)夠滿(man)足(zu)(zu)運(yun)(yun)算(suan)(suan)放(fang)(fang)大器(qi)(qi)的(de)(de)(de)(de)需(xu)求(qiu)。4. 功(gong)耗：需(xu)要(yao)考慮的(de)(de)(de)(de)是功(gong)耗問題。如(ru)果(guo)負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)過小(xiao)(xiao)，會(hui)導(dao)(dao)致(zhi)(zhi)功(gong)耗過大，從(cong)而可(ke)(ke)能(neng)(neng)(neng)使運(yun)(yun)算(suan)(suan)放(fang)(fang)大器(qi)(qi)過熱。因(yin)(yin)此(ci)，在選(xuan)(xuan)(xuan)(xuan)擇負載(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)時，應(ying)根(gen)據運(yun)(yun)算(suan)(suan)放(fang)(fang)大器(qi)(qi)的(de)(de)(de)(de)功(gong)率(lv)預算(suan)(suan)來選(xuan)(xuan)(xuan)(xuan)擇合(he)適的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)。單通(tong)道放(fang)(fang)大器(qi)(qi)公司

本文來自沈陽喜(xi)納(na)多采暖工程有限(xian)公司：//zjlong.cn/Article/75f399680.html