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IC758RSWA10PC64變頻器
.組合代換
組合代換就是把同一型號的多塊IC內部未受損的電路部分,重新組合成一塊完整的IC,用以代替功能不良的IC的方法。對買不到原配IC的情況下是十分適用的。但要求所利用IC內部完好的電路一定要有接口引出腳。
非直接代換關鍵是要查清楚互相代換的兩種IC的基本電參數、內部等效電路、各引腳的功能、IC與外部元件之間連接關系的資料。實際操作時予以注意:
⑴集成電路引腳的編號順序,切勿接錯;
⑵為適應代換后的IC的特點,與其相連的外圍電路的元件要作相應的改變;
⑶電源電壓要與代換后的IC相符,如果原電路中電源電壓高,應設法降壓;電壓低,要看代換IC能否工作。
⑷代換以后要測量IC的靜態工作電流,如電流遠大于正常值,則說明電路可能產生自激,這時須進行去耦、調整。若增益與原來有所差別,可調整反饋電阻阻值;
⑸代換后IC的輸入、輸出阻抗要與原電路相匹配;檢查其驅動能力。
⑹在改動時要充分利用原電路板上的腳孔和引線,外接引線要求整齊,避免前后交叉,以便檢查和防止電路自激,特別是防止高頻自激;
[7]在通電前電源Vcc回路里再串接一直流電流表,降壓電阻阻值由大到小觀察集成電路總電流的變化是否正常。
IC758RSWA10PC64變頻器
IC758COWB12PCX128 |
IC758CSWC12PCX256 |
IC758CSWC12PCX128 |
IC758CSWB24PCX512 |
IC758CSWB24PCX256 |
IC758CSWB24PCX128 |
IC758CSWB19PCX512 |
IC758CSWB19PCX256 |
IC758RSWB24PC128 |
IC758RSWB19PC128 |
IC758RSWB15PC128 |
IC758RSWB12PC128 |
IC758RSWB10PC128 |
IC758RSWB07PC128 |
IC758RSWA24PC64 |
IC758RSWA24PC128 |
IC758RSWA19PC64 |
IC758RSWA19PC128 |
IC758RSWA15PC64 |
IC758RSWA15PC128 |
IC758RSWA12PC64 |
IC758RSWA12PC128 |
IC758RSWA10PC64 |
IC758RSWA10PC128 |
IC758RSWA10PC |
IC758RSWA07PC64 |
IC758RSWA07PC128 |
IC758RSWA07PC |
IC758ROWB15PC128 |
IC758ROWB12PC128 |
IC758ROWB10PC128 |
IC758ROWB07PC128 |
IC758ROWA15PC64 |
IC758ROWA15PC128 |
IC758ROWA12PC64 |
IC758ROWA12PC128 |
IC758ROWA10PC64 |
IC758ROWA10PC128 |
IC758ROWA10PC |
IC758ROWA07PC64 |
IC758ROWA07PC128 |
IC758ROWA07PC |
IC757RSW24WHMI |
IC757RSW19WHMI |
IC757RSW15WHMI |
IC757RSW12WHMI |
IC757RSW07WHMI |
IC757ROW15WHMI |
IC757ROW12WHMI |
IC757RSW10WHMI |
IC757ROW10WHMI |
IC757ROW07WHMI |
IC756RSW24IM |
IC756RSW19IM |
IC756RSW15IM |
IC756RSW10IM |
IC756RSW07IM |
IC756ROW15IM |
IC756RSW12IM |
IC756ROW12IM |
IC756ROW10IM |
IC756ROW07IM |
IC758COWB15PC128 |
IC758CSWB15PC128 |
R2LACCLMNT |
IC758COWA07PC64 |
IC757CSW07WHMI |
IC756COW15IM |
IC758COWA15PC128 |
IC758COWA12PC128 |
IC756COW07IM |
R2L0N1B1A |
R2L0N1A1A |
R2L0N1B1B |
R2L0N1B0B |
IC758CSWA15PC128 |
IC757CSW10WHMI |
IC756CSW07IM |
IC758COWB12PC128 |
IC758COWA15PC64 |
IC758COWA12PC64 |
R2L0N1B0C |
IC758CSWB19PC128 |
IC758CSWA07PC |
IC757CSW19WHMI |
IC756CSW15IM |
IC757COW10WHMI |
IC758COWA10PC |
IC756COW10IM |
R2LACCSMNT |
R2L0N1B1C |
IC758CSWB24PC128 |
R2L0N1A0B |
IC758CSWB07PC128 |
IC758CSWA19PC64 |
3HAC020122-001 |
3HAC020123-001 |
3HAC020126-001 |
3HAC020128-001 |
3HAC020129-003 |
3HAC020131-001 |
3HAC020136-004 |
3HAC020144-001 |
3HAC020146-001 |
3HAC020151-001 |
3HAC020155-001 |
3HAC020170-001 |
3HAC020174-001 |
3HAC020179-001 |
3HAC020209-001 |
3HAC020210-001 |
3HAC020211-001 |
3HAC020273-001 |
3HAC020285-001 |
3HAC020286-002 |
3HAC020295-001 |
3HAC020303-001 |
3HAC020304-001 |
3HAC020330-001 |
3HAC020332-003 |
3HAC020343-001 |
3HAC020345-001 |
3HAC020386-001 |
3HAC020397-001 |
3HAC020398-001 |
3HAC020399-001 |
3HAC020408-001 |
3HAC020410-001 |
3HAC020412-001 |
3HAC020413-001 |
3HAC020414-001 |
3HAC020415-001 |
3HAC020426-002 |
3HAC020426-006 |
3HAC020426-008 |
3HAC020426-009 |