×

### Let's log you in.

or

Don't have a StudySoup account? Create one here!

×

or

13

0

13

# Class Note for ENGIN 112 at UMass(37)

Marketplace > University of Massachusetts > Class Note for ENGIN 112 at UMass 37

No professor available

These notes were just uploaded, and will be ready to view shortly.

Either way, we'll remind you when they're ready :)

Get a free preview of these Notes, just enter your email below.

×
Unlock Preview

COURSE
PROF.
No professor available
TYPE
Class Notes
PAGES
13
WORDS
KARMA
25 ?

## Popular in Department

This 13 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Massachusetts taught by a professor in Fall. Since its upload, it has received 13 views.

×

## Reviews for Class Note for ENGIN 112 at UMass(37)

×

×

### What is Karma?

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 02/06/15
ENGIN 112 Intro to Electrical and Computer Engineering Lectu re 12 Circuit Analysis Procedure quot ELECTRICAL 9 quot COMPUTER ENGINEERING umvsnswv or MASSACHUSETTS AMHERST ENGN11Z L12 CircuitAnalysis Prncedum Septemh2r292 3 Overview Important concept analyze digital circuits Given a circuit Create a truth table Create a minimized circuit Approaches Boolean expression approach Truth table approach Leads to minimized hardware Provides insights on how to design hardware Tie in with Kmaps next time ENGN112 L12 Circuit Analysis Procedure September 29 2003 The Problem How can we convert from a circuit drawing to an equation or truth table Two approaches Create intermediate equations Create intermediate truth tables Out ENGN112 L12 Circuit Analysis Procedure September 29 2003 Label Gate Outputs 1 Label all gate outputs that are a function of input variables 2 Label gates that are a function of input variables and previously labeled gates 3 Repeat process until all outputs are labelled Out September 29 2003 ENGN112 L12 Circuit Analysis Procedure Approach 1 Create Intermediate Equations CI Step 1 Create an equation for each gate output based on Its input RABC SAB TC S OutRT A B C Out C ENGN112 L12 Circuit Analysis Procedure September 29 2003 Approach 1 Substitute in subexpressions CI SteEZ Form a relationship based on input variables A C RABC SAB TC SC AB Out RT ABC C AB R A B C Out C ENGN112 L12 Circuit Analysis Procedure September 29 2003 Approach 1 Substitute in subexpressions CI Step 3 Expand equation to SOP final result Out ABC C AB ABC AC BC Out ENGN112 L12 Circuit Analysis Procedure September 29 2003 Approach 2 Truth Table CI Step 1 Determine outputs for functions of input variables A B C R S 0 0 0 0 0 0 01 0 0 010 0 1 011 0 1 1 0 0 0 1 1 01 0 1 1 10 0 1 A R 1 11 1 1 B C Out C ENGN112 L12 Circuit Analysis Procedure September 29 2003 Approach 2 Truth Table CI Step 2 Determine outputs for functions of intermediate variables A B C C R S 0 0 0 1 0 0 TS C o 01 o o o 0 10 1 0 1 0 11 0 0 1 1 0 0 1 0 1 1 01 0 0 1 1 10 1 0 1 A R 1 11 0 1 1 B C Out C ENGN112 L12 Circuit Analysis Procedure September 29 2003 Odo OAOO I Approach 2 Truth Table CI Step 3 Determine outputs for function ABCRSTOut 0000000 0010000 RTOut 0100111 0110100 1000111 1010100 1100111 R 1111101 owgt Out C ENGN112 L12 Circuit Analysis Procedure September 29 2003 More Difficult Example El Step 3 Note labels on interior nodes T2 QDUCB 033 Fig 4 2 Logic Diagram for Analysis Example ENGN112 L12 Circuit Analysis Procedure September 29 2003 More Difficult Example Truth Table CI Remember to determine intermediate variables starting from the inputs CI When all inputs determined for a gate determine output CI The truth table can be reduced using Kmaps ABCI239 2T1T2T3F1 000010000 001011011 010011011 011101000 100011011 101101000 110101000 111101101 ENGN112 L12 Circuit Analysis Procedure September 29 2003 Summary Important to be able to convert circuits into truth table and equation form WHY leads to minimized sum of product representation Two approaches illustrated Approach 1 Create an equation with circuit output dependent on circuit inputs Approach 2 Create a truth table which shows relationship between circuit inputs and circuit outputs Both results can then be minimized using Kmaps Next time develop a minimized SOP representation from a high level description ENGN112 L12 Circuit Analysis Procedure September 29 2003

×

×

### BOOM! Enjoy Your Free Notes!

×

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

Steve Martinelli UC Los Angeles

#### "There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Kyle Maynard Purdue

#### "When you're taking detailed notes and trying to help everyone else out in the class, it really helps you learn and understand the material...plus I made \$280 on my first study guide!"

Steve Martinelli UC Los Angeles

#### "There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Parker Thompson 500 Startups

#### "It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!
×

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com