×

### Let's log you in.

or

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

×

or

14

0

6

# 16 Class Note for ECE 20100 with Professor Tan at Purdue

Marketplace > Purdue University > 16 Class Note for ECE 20100 with Professor Tan at Purdue

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
6
WORDS
KARMA
25 ?

## Popular in Department

This 6 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at Purdue University taught by a professor in Fall. Since its upload, it has received 14 views.

×

## Reviews for 16 Class Note for ECE 20100 with Professor Tan at Purdue

×

×

### 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
ECE201 Linear Circuit Analysis I Prof H Z Tan Topic Phasors Ohm s Phasor Law for R L amp C KVL amp KCL 1 Phasor 1 De nition a complex number representation of sinusoidal signals at a xed freq 2 Notation bold face capital letter underscored capital letter for handwriting e g V or X 3 rectangular vs polar coordinate polar is preferred eg X Vm 4 4 meaning a complex number used to represent a real sinusoidal function of time t at a fixed frequency of n I eg 1104 90quot y find Vt 1 First treat 1 amp X as complex numbers 104 900 104 900 SEA 135 1 j J5445 Then treat X as a representation of Vt Vt Re em7135 515 cosat 135 y Notice Re and cat in X to Vt expansion 2 What is the difference between a phasor and a shorthand notation of a complex A phasor represents a sinusoidal function of time t The frequency of the sinusoidal function is not explicitly shown in the phasor notation 3 Phasors KCL amp KVL l Phasor currents satisfy KCL e g 11 12 1112l3 14 13 14 2 Phasor voltages satisfy KVL 3 Phasor currents and voltages have directions Use passive sign convention on phasors 4 Ohm s Phasor Laws for R L amp C X Z003 1 assuming passive sign convention Z003 Impedance of a device with a unit of ohm R for R ij for L assuming Sinusoidal Steady State for C assuming SSS JmC If n 0 ZLGm 0 short circuit Zc m 00 open circuit 030 means dc or constant input signals 7 But we already know this If n oo ZLGm 00 open circuit Zc m 0 short circuit Equivalently l YGoa X passive sign convention YGm Admittance of device mho 1 YRJD E l YLU D assuming SSS JOJL Ycjn joaC assuming SSS Phase relationship between X and l for L amp C 1 For an inductor XL ijlL 13144900 ILZ I mLILz I 90 39VL DLlL IV 11 90D Voltage phase leads the current phase by 90 Re 2 For a capacitor 1 1 o 10 o Kc RICEZ90 39Ic z EZG 90 I WES V 790 Voltage phase lags the current phase by 90 1m Re 6 Example Use phasors to solve the following circuit o a is R 202 L L 7 373 H D f c 5 mF 20cos201 30 A R c 9 b ZTHU wow 1 At 03 20 radsec compute 2 Find Thevenin Equivalent Impedance ZTHGZO 3 Find the Thevenin Equivalent Open Circuit Phasor Xoc 4 Determine the Thevenin equivalent circuit in which ZTHQZO is a series combination of two circuit elements seen at aib

×

×

### 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

Bentley McCaw University of Florida

#### "I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Anthony Lee UC Santa Barbara

#### "I bought an awesome study guide, which helped me get an A in my Math 34B class this quarter!"

Jim McGreen Ohio University

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

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