ENGR 338 Lab 2021 Fall
Lab 2
Name: Brian Tsosie
Email: bjtsosie@fortlewis.edu

Design an R_2R DAC

 Introduction

Design and R_2R DAC in Electric VSLI and LT spice

Materials and Methods
Pencil & Paper
LT Spice software
Electric VLSI software

Results

Task 1

1
Figure 1.  Task 1 simulation

Task 2

2
Figure 2.  Task 2 simulation

Task 3

3
Figure 3.  Task 3 Simulation

4
Figure 4.  Thevenin & Tao calculation

Discussion

Electric VSLI and LTSpice together helped us visualize the output of an R 2R DAC.  The software can allow us
to build the circuit on the computer and see if it going to function as designed.  If and when it does, the circuit
can be built and put to use.