CHAPTER 16
Logic Gates Using Op-Amps
A logic gate is a device that acts as a building block for digital circuits. They perform basic logical functions that are fundamental to digital circuits. Most electronic devices we use today will have some form of logic gates in them. For example, logic gates can be used in technologies such as smartphones, tablets or within memory devices. HIGH or LOW binary conditions are represented by different voltage levels. The logic state of a terminal can and generally does, often change as the circuit processes data. In most logic gates, the low state is approximately zero volts (0 V), while the high state is approximately five volts positive (+5 V).
Logic gates can be made of resistors and transistors or diodes. ...
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