產(chǎn)品詳情
.晶體振蕩器
1.通常只能用示波器(晶振需加電)或頻率計測試,萬用表等無法測量,
否則只能采用代換法了.
2.晶振常見故障有:a.內(nèi)部漏電,b.內(nèi)部開路c.變質(zhì)頻偏d.外圍相連電
容漏電.這里漏電現(xiàn)象,用<測試儀>的VI曲線應(yīng)能測出.
3.整板測試時可采用兩種判斷方法:a.測試時晶振附近既周圍的有關(guān)
芯片不通過.b.除晶振外沒找到其它故障點.
4.晶振常見有2種:a.兩腳.b.四腳,其中第2腳是加電源的,注意不可隨
意短路.
工控施耐德 140CPU42401 模塊現(xiàn)貨
140CPU42402 140ESI06210 140XPP01000
140CPU43412 140HLI34000 140XSM00200
140CPU43412A 140MMB10400 140XSM01000
140CPU43412C 140MSB10100 140XSM10100
140CPU43412U 140MSC10100 140XTS00100
140CPU53414 140NOA61100 140XTS00200
140CPU53414A 140NOA61110 140XTS00203
140CPU53414B 140NOA62200 140XTS00206
140CPU65150 140NOE21100 140XTS00209
140CPU67160 140NOE21110 140XTS00212
140CRA21110 140NOE25110 140XTS01203
140CRA21120 140NOE77100 140XTS01206
140CRA21210 140NOE77101 140XTS01209
140CRA93100 140NOE77110 140XTS01212
140CRA93101 140NOE77111 140XTS10206
140CRA93200 140NOM21100 140DAI45300
140CRP93100 140NOM21110 140DAI54000
140CRP93200 140NOM21200 140DAI54300
140DA084210 140NOM25200 140DAI55300
140DA154000 140NWM10000 140DAI74000
140DA155300 140DRA84000 140DAI75300
140DAI34000 140DRC83000 140DAM59000
140DAI35300 140DSI35300 140DAO84000
140DAI44000 140DVO85300
140CFJ00400 BMENOC0321 BMXNOE0100H
140CFK00400 BMXNGD0100 BMXNOE0110H
140CFU00600 BMENOP0300 BMEP584040S
140CFU40000 BMENOS0300 BMEP58CPROS3
140CFX00110 BMECXM0100 BMXCPS4002S
140CFX00210 BMXRMS004GPF BMXSDI1602
140CHS11000 BMEP581020H BMXSDO0802
140CHS32000 BMEP582020H BMXSRA0405
140CHS41020 BMEP582040H BMXSAI0410
140CPS11100 BMEP585040C 140QSPXM
140CPS11400 BMEP586040C 140SACQDNET010
140CPS11410 BMEH582040C 140SHS94500
140CPS11420 BMEH584040C 140XBE10000
140CPS12400 BMEH586040C 140XBP00200
140CPS12420 BMENOC0301C 140XBP00300
140CPS21100
140ARI03010 | BMEP585040 | BMXP3420302CL |
140ATI03000 | BMEP586040 | BMXNOE0100 |
140AVI03000 | BMEH582040 | BMXNOE0110 |
140AVO02000 | BMEH584040 | BMXNOC0401 |
140CFA04000 | BMEH586040 | BMXRMS008MP |
140CFB03200 | 490NAC0100 | BMXRMS008MPF |
140CFC03200 | 490NAC0201 | BMXRMS128MPF |
140CFD03200 | BMEH5820KA | BMXRWSB000M |
140CFE03200 | BMEH5820KD | BMXRWSC016M |
140CFG01600 | BMEH5840KA | BMXRWSFC032M |
140CFH00800 | BMEH5840KD | BMXP341000H |
140CFI00800 | BMENOC0301 | BMXP342020H |
工控施耐德 140CPU42401 模塊現(xiàn)貨
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