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回收二手信號源的使用環境和日常保養介紹
回收二手(shou)(shou)信號(hao)源(yuan)的供(gong)電(dian)(dian)，使(shi)(shi)用(yong)(yong)3端電(dian)(dian)源(yuan)線(xian),檢查確認地線(xian)接(jie)地，檢查電(dian)(dian)壓在(zai)(zai)儀器(qi)允許范圍之內，電(dian)(dian)壓不穩時，應(ying)(ying)使(shi)(shi)用(yong)(yong)穩壓器(qi)，儀器(qi)應(ying)(ying)擺(bai)放在(zai)(zai)防靜(jing)電(dian)(dian)工作臺(tai)上(shang)，操作人員穿(chuan)戴(dai)好防靜(jing)電(dian)(dian)服，防靜(jing)電(dian)(dian)手(shou)(shou)環等，禁止(zhi)用(yong)(yong)手(shou)(shou)直接(jie)接(jie)觸射(she)頻端口(kou)的內芯。一、使(shi)(shi)用(yong)(yong)環境(jing)：1、環境(jing)溫(wen)度保持(chi)在(zai)(zai)20~30攝氏度。2、儀器(qi)使(shi)(shi)用(yong)(yong)時應(ying)(ying)避免(mian)搬動(dong),振動(dong)可(ke)能損壞儀器(qi)。3、保持(chi)儀器(qi)通(tong)風良(liang)好通(tong)風孔應(ying)(ying)距(ju)離其(qi)它(ta)物體20厘米以(yi)上(shang)。二、儀器(qi)使(shi)(shi)用(yong)(yong)注意事項：1、禁止(zhi)輸(shu)入(ru)功率超過端口(kou)大允許輸(shu)入(ru)功率,否(fou)則應(ying)(ying)加衰減(jian)器(qi)。2、禁止(zhi)在(zai)(zai)射(she)頻端口(kou)上(shang)輸(shu)入(ru)直流(liu)電(dian)(dian)壓.建議加直流(liu)隔(ge)...
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回收二手信號源的分類和特性介紹
回收二手信號(hao)(hao)源2個(ge)內置(zhi)基帶(dai)(dai)模塊上多配(pei)置(zhi)8個(ge)基帶(dai)(dai)發(fa)生器，帶(dai)(dai)實時編碼器和(he)(he)ARB任意(yi)波(bo)形(xing)發(fa)生器，可(ke)(ke)實現內部多路數字基帶(dai)(dai)信號(hao)(hao)疊加(jia)，各個(ge)數字基帶(dai)(dai)信號(hao)(hao)之間可(ke)(ke)以實現數字頻率和(he)(he)幅度偏移。信號(hao)(hao)源在(zai)生產實踐(jian)和(he)(he)科技領域(yu)中有著廣(guang)(guang)泛的(de)應用，各種波(bo)形(xing)曲線均可(ke)(ke)以用三角函數方程式來表示，能(neng)夠(gou)產生多種波(bo)形(xing)，如(ru)三角波(bo)、鋸齒波(bo)、矩形(xing)波(bo)（含方波(bo)）、正(zheng)弦波(bo)的(de)電(dian)路被(bei)稱為函數信號(hao)(hao)發(fa)生器。信號(hao)(hao)發(fa)生器在(zai)電(dian)路實驗(yan)和(he)(he)設備檢測中具(ju)有十分廣(guang)(guang)泛的(de)用途，例如(ru)在(zai)通信、廣(guang)(guang)播、電(dian)視系(xi)統中，都需要射頻（高頻）發(fa)射，這里的(de)射頻波(bo)就是載波(bo)，把音頻（...
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數字萬用表四種妙用方法
1、判斷線(xian)(xian)路(lu)或(huo)(huo)(huo)器件帶不(bu)帶電數字(zi)的(de)交流(liu)電壓(ya)擋(dang)很靈敏，哪怕周圍(wei)有很小的(de)感應(ying)電壓(ya)都可(ke)以(yi)(yi)有顯(xian)示(shi)(shi)。根據這(zhe)一(yi)特點，可(ke)以(yi)(yi)當(dang)作測試電筆(bi)用(yong)。用(yong)法(fa)(fa)如(ru)下：將萬用(yong)表(biao)(biao)打到AC20V擋(dang)，黑表(biao)(biao)筆(bi)懸(xuan)空，手(shou)持紅表(biao)(biao)筆(bi)與所測路(lu)線(xian)(xian)或(huo)(huo)(huo)器件相接觸，這(zhe)時萬用(yong)表(biao)(biao)會(hui)有顯(xian)示(shi)(shi)，如(ru)果顯(xian)示(shi)(shi)數字(zi)在(zai)幾伏(fu)到十幾伏(fu)之間（不(bu)同的(de)萬用(yong)表(biao)(biao)會(hui)有不(bu)同的(de)顯(xian)示(shi)(shi)），表(biao)(biao)明該線(xian)(xian)路(lu)或(huo)(huo)(huo)器件帶電，如(ru)果顯(xian)示(shi)(shi)為零或(huo)(huo)(huo)很小，表(biao)(biao)明該線(xian)(xian)路(lu)或(huo)(huo)(huo)器件不(bu)帶電。2、區分供(gong)電線(xian)(xian)是火線(xian)(xian)還是零線(xian)(xian)第一(yi)種(zhong)方法(fa)(fa)：可(ke)以(yi)(yi)用(yong)上面(mian)的(de)方法(fa)(fa)加以(yi)(yi)判斷：顯(xian)示(shi)(shi)數字(zi)較大的(de)就是火線(xian)(xian)，顯(xian)示(shi)(shi)數字(zi)較小的(de)就是零線(xian)(xian)。這(zhe)種(zhong)方法(fa)(fa)需要與...
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二手示波器面板旋鈕的作用介紹
二(er)手(shou)示波器(qi)(qi)設計(ji)緊湊、經濟實惠(hui)、性(xing)能(neng)(neng)可(ke)靠，可(ke)提供當今(jin)教育機構、嵌入式設計(ji)師和(he)制造商所要求的功能(neng)(neng)、多功能(neng)(neng)性(xing)和(he)耐用(yong)性(xing)，32種(zhong)自(zi)動測(ce)量功能(neng)(neng)可(ke)快速方便地測(ce)試各種(zhong)信號(hao)條(tiao)件，雙窗(chuang)口同時呈(cheng)現(xian)時域和(he)頻域視圖(tu)，幫助(zhu)了解信號(hao)頻率(lv)內容，可(ke)禁用(yong)自(zi)動設置光標和(he)測(ce)量。示波器(qi)(qi)觸發(fa)頻率(lv)計(ji)數器(qi)(qi)，通過平移和(he)縮放功能(neng)(neng)可(ke)快速查看感興趣區域中的信號(hao)細節(jie)，多語(yu)言用(yong)戶界面，在用(yong)戶界面和(he)前面板貼紙中支持(chi)十種(zhong)語(yu)言，體積小，重量輕，無風扇設計(ji)，低噪聲運行(xing)，是(shi)一種(zhong)電子測(ce)量儀(yi)器(qi)(qi)，可(ke)以在無干(gan)擾的情(qing)況下監控輸入信號(hao)，隨后以圖(tu)形方式采用(yong)簡...
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是德波形發生器的具體操作方法介紹
是德波形(xing)發(fa)(fa)生器(qi)是一(yi)種數據信(xin)號發(fa)(fa)生器(qi)，在調(diao)試硬(ying)件(jian)時，常(chang)常(chang)需要加入一(yi)些(xie)信(xin)號，以觀察(cha)電路工作是否正常(chang)。用(yong)一(yi)般(ban)的(de)信(xin)號發(fa)(fa)生器(qi)，不(bu)(bu)但笨重(zhong)，而且只(zhi)發(fa)(fa)一(yi)些(xie)簡(jian)單的(de)波形(xing)，不(bu)(bu)能(neng)滿足需要。例如(ru)用(yong)戶(hu)要調(diao)試串(chuan)口(kou)通(tong)(tong)信(xin)程序時，就(jiu)要在計算機上寫好一(yi)段程序，再用(yong)線連接(jie)(jie)計算機和用(yong)戶(hu)實驗(yan)板，如(ru)果不(bu)(bu)正常(chang)，不(bu)(bu)知道是通(tong)(tong)訊線有(you)問(wen)題還是程序有(you)問(wen)題。用(yong)E2000/L的(de)波形(xing)發(fa)(fa)生器(qi)功能(neng)，就(jiu)可(ke)以定義串(chuan)口(kou)數據。通(tong)(tong)過(guo)邏輯探勾輸出(chu)，調(diao)試起來簡(jian)單快捷。是德波形(xing)發(fa)(fa)生器(qi)操作方(fang)法：將邏輯探勾接(jie)(jie)在J3插(cha)槽上，波形(xing)發(fa)(fa)生器(qi)通(tong)(tong)過(guo)J3可(ke)以輸出(chu)8路自定義數字...
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二手信號源的日常清潔與保養
二(er)手信(xin)(xin)號(hao)(hao)(hao)(hao)源(yuan)(yuan)是指(zhi)收音頭(tou)、高頻(pin)頭(tou)、錄(lu)音卡(ka)座、錄(lu)像卡(ka)座等(deng)(deng)器(qi)(qi)件，微機及(ji)(ji)輔助設備完成信(xin)(xin)號(hao)(hao)(hao)(hao)的(de)提取、數模轉(zhuan)換、數字(zi)(zi)信(xin)(xin)號(hao)(hao)(hao)(hao)處理等(deng)(deng)功(gong)能，信(xin)(xin)號(hao)(hao)(hao)(hao)源(yuan)(yuan)是雷達系統的(de)重要組(zu)成部(bu)分(fen)，雷達系統常(chang)常(chang)要求信(xin)(xin)號(hao)(hao)(hao)(hao)源(yuan)(yuan)穩定、可靠、易(yi)于實(shi)現、具有預失(shi)真功(gong)能，信(xin)(xin)號(hao)(hao)(hao)(hao)的(de)產(chan)(chan)生(sheng)及(ji)(ji)信(xin)(xin)號(hao)(hao)(hao)(hao)參數的(de)改(gai)變簡單、靈(ling)活。信(xin)(xin)號(hao)(hao)(hao)(hao)發生(sheng)器(qi)(qi)又(you)稱信(xin)(xin)號(hao)(hao)(hao)(hao)源(yuan)(yuan)或振蕩器(qi)(qi)，是用(yong)來產(chan)(chan)生(sheng)各種電子信(xin)(xin)號(hao)(hao)(hao)(hao)的(de)儀(yi)器(qi)(qi)，在生(sheng)產(chan)(chan)實(shi)踐(jian)和科技領域(yu)中有著(zhu)廣(guang)泛的(de)應用(yong)。二(er)手信(xin)(xin)號(hao)(hao)(hao)(hao)源(yuan)(yuan)涉(she)及(ji)(ji)到(dao)字(zi)(zi)符集(ji)和信(xin)(xin)息編(bian)碼、輸電網(wang)和配電網(wang)、無(wu)線通信(xin)(xin)、輻(fu)射防護、音頻(pin)、視(shi)頻(pin)和視(shi)聽工程，涉(she)及(ji)(ji)到(dao)節目傳輸、電站設備自動化(hua)裝置(zhi)、無(wu)線電通...
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淺析示波器的四種觸發方式
示波器是一種(zhong)用(yong)(yong)途十(shi)分廣泛(fan)的(de)(de)(de)(de)電(dian)(dian)(dian)子(zi)測量儀器。它能把(ba)肉眼看(kan)(kan)不見(jian)的(de)(de)(de)(de)電(dian)(dian)(dian)信(xin)號(hao)(hao)變(bian)(bian)換(huan)成看(kan)(kan)得見(jian)的(de)(de)(de)(de)圖象(xiang)，便于人們(men)研究各(ge)(ge)種(zhong)電(dian)(dian)(dian)現(xian)象(xiang)的(de)(de)(de)(de)變(bian)(bian)化過程。示波器利(li)用(yong)(yong)狹窄的(de)(de)(de)(de)、由(you)高速電(dian)(dian)(dian)子(zi)組成的(de)(de)(de)(de)電(dian)(dian)(dian)子(zi)束(shu)，打(da)在(zai)涂有熒光物質的(de)(de)(de)(de)屏(ping)面上，就可(ke)(ke)產生細小(xiao)的(de)(de)(de)(de)光點。在(zai)被(bei)測信(xin)號(hao)(hao)的(de)(de)(de)(de)作用(yong)(yong)下(xia)，電(dian)(dian)(dian)子(zi)束(shu)就好像一支(zhi)筆的(de)(de)(de)(de)筆尖，可(ke)(ke)以在(zai)屏(ping)面上描繪出被(bei)測信(xin)號(hao)(hao)的(de)(de)(de)(de)瞬時值的(de)(de)(de)(de)變(bian)(bian)化曲線。利(li)用(yong)(yong)示波器能觀察各(ge)(ge)種(zhong)不同(tong)信(xin)號(hao)(hao)幅(fu)度隨(sui)時間變(bian)(bian)化的(de)(de)(de)(de)波形曲線，還可(ke)(ke)以用(yong)(yong)它測試各(ge)(ge)種(zhong)不同(tong)的(de)(de)(de)(de)電(dian)(dian)(dian)量，如電(dian)(dian)(dian)壓、電(dian)(dian)(dian)流、頻(pin)率(lv)、相位差、調幅(fu)度等等。示波器四種(zhong)觸發方式(shi)：(1)常態(NORM)：無信(xin)號(hao)(hao)時，屏(ping)幕...
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了解功率計的相關信息，更好的回收二手功率計
功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)由功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)傳(chuan)感器(qi)(qi)(qi)和功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)指示(shi)(shi)器(qi)(qi)(qi)兩(liang)部(bu)分(fen)組成。了解功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)的(de)相關(guan)信(xin)息，更好的(de)回收二手功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)。功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)傳(chuan)感器(qi)(qi)(qi)也稱(cheng)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)探頭(tou)(tou)，它(ta)把高(gao)頻電(dian)(dian)信(xin)號(hao)(hao)(hao)通過能量轉(zhuan)換為可以直接檢(jian)測的(de)電(dian)(dian)信(xin)號(hao)(hao)(hao)。功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)指示(shi)(shi)器(qi)(qi)(qi)包(bao)括(kuo)信(xin)號(hao)(hao)(hao)放大、變換和顯(xian)(xian)示(shi)(shi)器(qi)(qi)(qi)。顯(xian)(xian)示(shi)(shi)器(qi)(qi)(qi)直接顯(xian)(xian)示(shi)(shi)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)值。功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)傳(chuan)感器(qi)(qi)(qi)和功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)指示(shi)(shi)器(qi)(qi)(qi)之(zhi)間用電(dian)(dian)纜連接。為了適應(ying)不(bu)同頻率(lv)(lv)(lv)(lv)(lv)(lv)、不(bu)同功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)電(dian)(dian)平和不(bu)同傳(chuan)輸線結構(gou)的(de)需要，一臺功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)要配若干(gan)個不(bu)同功(gong)(gong)(gong)(gong)能的(de)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)探頭(tou)(tou)。組成功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)由功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)傳(chuan)感器(qi)(qi)(qi)和功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)指示(shi)(shi)器(qi)(qi)(qi)兩(liang)部(bu)分(fen)組成。功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)傳(chuan)感器(qi)(qi)(qi)也稱(cheng)功(gong)(gong)(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)計(ji)(ji)(ji)(ji)探頭(tou)(tou)，它(ta)把高(gao)頻電(dian)(dian)信(xin)號(hao)(hao)(hao)通過能量轉(zhuan)換為可以直接檢(jian)測的(de)電(dian)(dian)信(xin)號(hao)(hao)(hao)。功(gong)(gong)(gong)(gong)...
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