Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
"異步十進制加法計數器工作原理：" 
"      如果計數器從Q3Q2Q1Q0=0000狀開始計數，那么在輸入第八個計數脈以前，F0，F1，F2的J，K始終為 1，工作在T’觸發器狀態。在此其間，Q0輸出脈沖送給F3，且F3保持0狀態不變。當第八個計數脈沖輸入時，由于" 
"J3=K3=1，Q0的下降沿到達F3時，F3由0變成1。同時，J1變成0。第九個計數脈沖輸入以后，電路狀態變為" 
"Q3Q2Q1Q0=1001。第十個脈沖輸入以后，電路從1001返回到0000。" 
"" 
"" 
"" 

EncryptionType: 2
UsingVectorGraphics: 0
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