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Revision as of 07:55, 23 July 2013
The Brown-Meyer Lectures on Digital Systems
Module 1: Boolean Algebra & CMOS logic structures
1.2 Making Logic Gates from MOSFETs
© 2013
Introduction
Voltage controlled MOSFETs make the most fundamental logic gates. It is important to know basic configurations of MOSFETs to be able to resemble logic gatee, mainly to assemble them on real circuit boards. Many circuits nowadays use transistors to make logic gate configurations.
The video below will show how N-channel and P-channel MOSFETs work and how to make a basic inverter using them.
In addition to the theory of MOSFETS as shown above, the video below will demonstrate ways to configure MOSFETs into logic gates.
Lastly to make AND & OR gates using MOSFETS, simply attach an inverter (shown in first video) to the end of a NAND/NOR MOSFET configuration (shown in second video).
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