电子秤的设计的毕业设计_文档下载_文档资源库 关键词 电压比较器 ，无线，AT89C205，报警系统 [gap=1371]Key Words The voltage comparator, is wireless , AT89C205, warning system
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The paper designs an automatic alarm with the time delay function which composed by the microwave launcher, 555 timers, the voltage comparator and the relay.
设计了一个由微波发射器、555定时器、电压比较器和继电器组成的具有延时功能的自动报警器。
The voltage comparator circuit using neural circuit as basic unit includes an either-or circuit with two input ends and one control end for selecting one of two input signals of comparator;
本发明公开了一种以神经元电路为基本单元的电压比较器电路，它包括：一具有两个输入端和一个控制端的二选一电路，用于选择比较器的两输入信号之一；
While it is charging, a voltage comparator constantly compares the voltage across the capacitor to a reference voltage.
当充电时，一个电压比较器就不断地将通过电容器的电压和一个参照电压进行比较。
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