电子工程专辑

74HC14引脚的各个功能是什么

74HC14是大家比较熟悉的元器件，关于它的引脚你知道多少呢？它有什么作用，它的电压又是多少？本文将为你详解关于74HC14引脚相关知识。 74HC14 74HC14是一款兼容TTL器件引脚的高速CMOS器件，逻辑功能为6路斯密特触发反相器，其耗电量低，速度快。在电子工业中 ...
EDN

A Simple Radio Transmitter with a Schmitt Trigger Inverter

Sometimes, it is useful to transmit a low-power radio signal to create a beacon, to send a signal carrier to a near receiver, to transmit in QRP or QRPP mode, and so on. The circuit shown here is very ...