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Introduction
Introduction
Hello! My name is Joshua, and I’m an Electrical Engineering student here at Clemson. As part of the Clemson Cadence project, I will be helping fellow students navigate and utilize Cadence software for their projects and coursework. On this page, I’ll be sharing tips, guides, and my own experiences with various Cadence tools like Virtuoso and Allegro PCB Designer. Feel free to reach out if you have any questions or need assistance!
Overview
A Digital-to-Analog Converter (DAC) is an essential component in modern electronics, responsible for converting digital signals into analog ones. This allows devices such as audio systems, communication systems, and measurement instruments to interpret digital data in a form that can interact with the physical world. Among the various DAC architectures, the R-2R Ladder DAC stands out for its simplicity and scalability, making it a popular choice for applications requiring moderate resolution and performance.
This tutorial guides you through designing an 8-bit R-2R DAC schematic using Cadence Virtuoso. The design will leverage the gpdk 45nm technology node and focus on schematic capture, providing students with a hands-on introduction to Cadence's powerful design environment.
Objective
By the end of this tutorial, you will:
Understand the fundamentals of the R-2R DAC architecture.
Gain hands-on experience with Cadence Virtuoso for schematic design.
Learn how to create libraries, cells and schematics
Learn basic navigation of the Virtuoso Environment
Simulate and verify the DAC's functionality using testbenches and performance metrics.
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