📄 计数器.ewb
字号:
Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description:
" 最大长度移位寄存器式计数器"
" 仿真方案: CP信号接函数发生器的方波信号 1Hz/5V 占空比 50%"
" 触发起的三个输出端接逻辑分析仪,其外时钟输入端也接函数发生器。"
""
" 简单原理: 将移位寄存器首位相接,那么在不断输入时钟信号时, 寄存器中的数据将依次右移。这是由于D触发其的特性方程Qn+1=D决定的。"
" 因此,用电路的不同状态能够表示输入时钟信号的数目,也就是说,可以把它作为时钟脉冲信号的计数器。如果加一个反馈逻辑电"
" 路,则计数器只有一个状态没被利用。最大长度计数器极大提高移位寄存器的状态利用率。"
""
" 班级:自41 姓名:董跃钧 学号:7 "
EncryptionType: 2
UsingVectorGraphics: 1
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