EGR 270 Grossmont College District Multiplexers Simulation Lab Report

3

>Introduction

In this lab, we will be using what we’ve learned about multiplexers to implement a basic linear function, f(x) = 4x+

, where x is a

-bit binary number. Our design specifications state that we must design the circuit for this function using four 2-1 MUXs. How the heck are we going to do THAT!?

Procedure

Part 1 – Complete the Truth Table for the Linear Function

1. Using the spreadsheet software of your choice (or hand-written is fine), construct the truth table for f(x) = 4x+1. Save your spreadsheet and include with your lab submission. Use the table below to help get you started:

Part 2 – Draw the Circuit in Multisim

1. Since our design requirements state that we must use a bank of four 2-1 MUXs, we must first design circuitry for the 2-1 MUX. If needed, re-watch the video on how to draw the logic circuit for the 2-1 MUX, then draw it in Multisim.
2. Once you have one 2-1 MUX, make three copies and determine what values should be connected to the data and select lines of each multiplexer in order to obtain the appropriate output.
3. Simulate your circuit and save a copy of your schematic showing the verification for the input case x = 2.

Part 3 – Lab Report

1. Download, scan or take pictures of simulated circuit and truth table
2. Compile all images using the word processing program of your choice and submit via Canvas as lab5yourname.pdf. Thanks and let me know if you have any questions!

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Introduction
Quizzes
Modules
In this lab, we will be using what we’ve learned about multiplexers to implement a basic linear function, f(x) = 4x+1,
where x is a 2-bit binary number. Our design specifications state that we must design the circuit for this function using
Conferences
four 2-1 MUXs. How the heck are we going to do THAT!?
Collaborations
Procedure
Chat
Student Help
Part 1 – Complete the Truth Table for the Linear Function
1. Using the spreadsheet software of your choice (or hand-written is fine), construct the truth table for f(x) = 4x+1.
Save your spreadsheet and include with your lab submission. Use the table below to help get you started:
Library Resources
NetTutor
x1
x0
Decimal Equiv of x
Decimal Equiv off
Binary Equiv off
1
0
0
o
f = 4*0 + 1 = 1
01
Student Course
Evaluations
o
1
1
1
o
N
1
1
3
?
Part 2 – Draw the Circuit in Multisim
1. Since our design requirements state that we must use a bank of four 2-1 MUXs, we must first design circuitry for the
2-1 MUX. If needed, re-watch the video on how to draw the logic circuit for the 2-1 MUX, then draw it in Multisim.
2. Once you have one 2-1 MUX, make three copies and determine what values should be connected to the data and
select lines of each multiplexer in order to obtain the appropriate output.
3. Simulate your circuit and save a copy of your schematic showing the verification for the input case x = 2.
Part 3 – Lab Report
>
1. Download, scan or take pictures of simulated circuit and truth table
2. Compile all images using the word processing program of your choice and submit via Canvas as
lab5yourname.pdf. Thanks and let me know if you have any questions!
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