東(dong)莞(guan)現(xian)貨ATOS放(fang)大(da)器@意(yi)大(da)利(li)阿托斯放(fang)大(da)器
ATOS放(fang)大(da)器的(de)作用
1、能(neng)把(ba)輸入(ru)訊號(hao)的(de)電壓或功率放大(da)的裝置,由電子管(guan)或晶體管(guan)、電源變(bian)壓(ya)器和(he)其他(ta)電器元件(jian)組(zu)成(cheng)。用在(zai)通(tong)訊、廣(guang)播(bo)、雷(lei)達、電視(shi)、自動(dong)控制等(deng)各(ge)種(zhong)裝(zhuang)置(zhi)中。 ATOS放大(da)器原(yuan)理: 高(gao)頻(pin)功(gong)率放大(da)器用(yong)於(yu)發(fa)射機(ji)的(de)末級,作用是(shi)將(jiang)高(gao)頻(pin)已(yi)調波信號(hao)進行(xing)功率放大(da),以滿足發(fa)送功率的要(yao)求(qiu),然(ran)後(hou)經過天(tian)線(xian)將(jiang)其(qi)輻射(she)到(dao)空間(jian),保證在(zai)壹定(ding)區域(yu)內(nei)的接收(shou)機(ji)可(ke)以接收(shou)到(dao)滿意(yi)的信號(hao)電平,並(bing)且不(bu)幹擾(rao)相(xiang)鄰信道的通信。 高(gao)頻功(gong)率放大(da)器是(shi)通信系統(tong)中(zhong)發(fa)送裝置的重要(yao)組(zu)件(jian)。按(an)其(qi)工(gong)作頻帶(dai)的(de)寬(kuan)窄(zhai)劃(hua)分為窄(zhai)帶(dai)高(gao)頻(pin)功(gong)率放大(da)器和(he)寬帶(dai)高(gao)頻(pin)功(gong)率放大(da)器兩(liang)種(zhong),窄(zhai)帶(dai)高(gao)頻(pin)功(gong)率放大(da)器通(tong)常以具有(you)選頻(pin)濾(lv)波作用的(de)選(xuan)頻電路作為輸出(chu)回路,故又(you)稱(cheng)為調諧(xie)功(gong)率放大(da)器或諧(xie)振功(gong)率放大(da)器;寬(kuan)帶(dai)高(gao)頻(pin)功(gong)率放大(da)器的(de)輸出(chu)電路則(ze)是(shi)傳輸線(xian)變(bian)壓(ya)器或其他(ta)寬(kuan)帶(dai)匹配(pei)電路,因(yin)此又(you)稱(cheng)為非調(tiao)諧(xie)功(gong)率放大(da)器。高(gao)頻功(gong)率放大(da)器是(shi)壹種(zhong)能(neng)量(liang)轉換(huan)器件(jian),它(ta)將(jiang)電源供給的直流(liu)能量轉換(huan)成為高頻(pin)交流(liu)輸出(chu)在 “低(di)頻(pin)電子線(xian)路”課(ke)程中(zhong)已知,放大(da)器可(ke)以按(an)照(zhao)電流導(dao)通角(jiao)的(de)不(bu)同,將(jiang)其(qi)分(fen)為甲、乙、丙三(san)類工(gong)作狀態(tai)。甲類(lei)放大(da)器電流的(de)流通(tong)角(jiao)為360o,適用(yong)於(yu)小(xiao)信號(hao)低(di)功(gong)率放大(da)。乙類放(fang)大(da)器電流的(de)流通(tong)角(jiao)約(yue)等(deng)於(yu) 180o;丙類(lei)放大(da)器電流的(de)流通(tong)角(jiao)則(ze)小(xiao)於(yu)180o。乙類和(he)丙類(lei)都適用(yong)於(yu)大(da)功率工(gong)作丙類(lei)工(gong)作狀態(tai)的(de)輸出(chu)功率和(he)效率是(shi)三種(zhong)工(gong)作狀態(tai)中(zhong)zui高者(zhe)。高(gao)頻功率放大(da)器大(da)多工(gong)作於(yu)丙類(lei)。但丙類(lei)放大(da)器的(de)電流波形失真(zhen)太大(da),因而(er)不(bu)能用(yong)於(yu)低(di)頻(pin)功率放大(da),只(zhi)能(neng)用(yong)於(yu)采用調諧(xie)回(hui)路作為負載(zai)的諧(xie)振功(gong)率放大(da)。由於(yu)調(tiao)諧(xie)回(hui)路具(ju)有濾(lv)波能力,回路電流與(yu)電壓仍(reng)然(ran)極近於(yu)正(zheng)弦波形,失真(zhen)很(hen)小(xiao)。
2、畫(hua)圖(tu)的(de)時(shi)候(hou),放(fang)大(da)或縮小(xiao)圖(tu)形的用(yong)具。也(ye)叫放(fang)大(da)尺。
東莞現(xian)貨ATOS放(fang)大(da)器@意(yi)大(da)利(li)阿托斯放(fang)大(da)器
E-ME-L-01H 40 /DL17SA
E-ME-L-01H 40 /DL26SB
E-ME-L-01H 40 /DL27SB
E-ME-L-01H 40 /DL27SB
E-ME-L-01H 40 /DL27SB
E-ME-L-01H 40 /DL35SB
E-ME-L-01H 40 /DL67SA
E-ME-L-01H 40 /LQ22SA
E-ME-L-01H 40 /LQ32SA
E-ME-L-01H 40/DL27SB
E-ME-L-01H 40/PCNNSA
E-ME-L-01H/DL27SB
E-ME-L-01H/I 40 /LQ32SA
E-ME-T-01H 40 /DH04SA
E-ME-T-01H 40 /DH05SA
E-ME-T-01H 40 /DK14SC
E-ME-T-01H 40 /DK15SB
E-ME-T-01H 40 /QV0NSA
E-ME-T-01H 40 /TK14AA
E-ME-T-01H 40 /TK14SC
E-ME-T-01H 40 /TQ25SA
E-ME-T-01H 40 /TQ32SA
E-ME-T-01H 40 /TQ42SA
E-ME-T-01H 40/DK14SC
E-ME-T-01H 40/DK15SB
E-ME-T-01H 40/QV1NSB
E-ME-T-01H 40/TQ25SA
E-ME-T-01H/I 40 /DH04SA
E-ME-T-01H/I 40 /DK14SC
E-ME-T-01H/I 40 /DP25SB
E-ME-T-01H/I 40 /DP25SC
E-ME-T-01H/I 40 /QV0NSA
E-ME-T-01H/I 40 /TQ25SA
E-ME-T-01H/I 40/DK15SB
E-ME-T-01H/I 40/QVONSA
E-ME-T-01H/I 40/TQ25SA
E-ME-T-05H 40 /DH07SA
E-ME-T-05H 40 /DK17SA
E-ME-T-05H 40 /DK17SB
E-ME-T-05H 40 /DP27SB
E-ME-T-05H 40/DH07SA
E-ME-T-05H 40/DK17SB
E-ME-T-05H 40/DP27SB
E-ME-T-05H/I 40 /DK17SB
E-ME-T-05H/I 40 /DP27SB
E-ME-T-05H/I 40/DH07SA
E-ME-T-05H/I 40/DK17SB
E-ME-T-05H/I 40/DP27SB
東(dong)莞現(xian)貨ATOS放(fang)大(da)器@意(yi)大(da)利(li)阿托斯放(fang)大(da)器
E-MI-AC-01F 11 /1
E-MI-AC-01F 11 /2
E-MI-AC-01F 11 /3
E-MI-AC-01F 11 /4
E-MI-AC-01F 11 /6
E-MI-AC-01F/7 11 /3
E-MI-AC-01F/7 11 /4
E-MI-AC-01F/RR 11 /1
E-MI-AC-01F/RR 11 /2
E-MI-AC-01F/RR 11 /3
E-RACK3HE21TE
E-RACK3HE28TE
E-RACK3HE42TE
E-RACK3HE49TE
E-RACK3HE56TE
E-RACK3HE84TE
E-RI-TE-01H 40 /DH04SA
E-RI-TE-01H/I 40 /DH04SA
E-RI-TE-05H 40 /DK17SB
E-RP-AC-01F/I 10 /2
E-RP-AC-01F/I 10 /A1
E-RP-AC-05F 10 /4
BM-AC-011F/I
BM-AC-01F /RR
E-BM-AC-011F
E-BM-AC-01F 11 /2
E-BM-AC-01F 11 /3
E-BM-AC-01F/RR 11 /A1
E-BM-AC-05F 11 /3
E-BM-AC-05F 11 /4
E-BM-AC-05F/RR 11 /3
E-ME-AC-01F 20
E-ME-AC-01F 20 /1
E-ME-AC-01F 20 /2
E-ME-AC-01F 20 /3
E-ME-AC-01F 20 /4
E-ME-AC-01F 20 /6
E-ME-AC-01F 20 /A1
E-ME-AC-01F 20 /A2
E-ME-AC-01F 20 /A4
E-ME-AC-01F/4R-4 20
E-ME-AC-01F/4R-4 20 /2
E-ME-AC-01F/4R-4 20 /3
E-ME-AC-01F/4R-4 20 /6
E-ME-AC-01F/I 20
E-ME-AC-01F/I 20 /2
E-ME-AC-01F/I 20 /4
E-ME-AC-01F/I 20 /6
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