×

### Let's log you in.

or

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

×

or

17

0

20

# Class Note for ECE 3317 with Professor Jackson at UH 2

Marketplace > University of Houston > Class Note for ECE 3317 with Professor Jackson at UH 2

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
20
WORDS
KARMA
25 ?

## Popular in Department

This 20 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Houston taught by a professor in Fall. Since its upload, it has received 17 views.

×

## Reviews for Class Note for ECE 3317 with Professor Jackson at UH 2

×

×

### 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
ECE 3317 Prof David R Jackson Notes 11 Transmission Lines Standng Wave Ratio SWR and Generalized Re ection Coef cient Chapter 6 Consider a lossless transmission line that is terminated with a load Zg 12 I E o 4 I sinusoidal source Z0 VZ 7 ZL Z L r ZL Z0 Z O 0 E L ZL Z0 i gt Z VZ Aej z FL ej z VZ Ae j z 1 FL ej2 z 1 j z quotHI32 1 j z j232 IZ ZA6 FLe IZ ZA6 l FLe VZ Adj32 1 FL e wz Denote FL I ll Lle j Then we have VZ Adj32 1 F e L j 2 z The magnitude is VZ A 1 FL j 2 z 6 Maximum voltage VZ Vm iAi1 FL 2 z2 m max Maximum voltage Vz m 2 Km 2 IAKI FL 2 z 2 n mn0i1i2 The voltage standing wave ratio is the ratio of mec to V mzn 39 ISVSWRSOO We then have For the current we have Z 1 39 6 IzAe 1396 ZOJCIiIFLIe A 2 j 1 IFL I ej 2 z 1 Iltzgt IAI Hence we have max 1z max ZIAILZL1IFLI 2 z 7r27m 0 min 0 mIAIZilt1 Imgt 2 z27rm The current standing wave ratio is thus F L l FL 1 ISWR E Hence FL VzAej Z1FLejZ z VZll11 NM The voltage magnitude repeats in a distance Az 2 Az27r or 27 Note so VZl2 VZ Note The complex voltage repeats every fl WWW1 1 FL WW4 FL 2 2 2 ZIFLIeW 1IFLI VZ 1 V 139IFLI Ami2 Z 220 V Ae mz Special case of a real load impedance ZLZO RLZO r L ZLZO RLZO 1 RL ZO SWR21FLZ RLZO 1FL 1 RLZ0 RLZO 1RLZ0 Casea RLZZO SWR RLZO RLZRL Z 1RLZOJ ZO Rf ZO RL Z0 Hence RL 20 1 RL Z0 RLZO RL ZO RL 20 RLZORL ZO Hence for a real load impedance we have SWR max ZO RL ZLRL j 2 z e 1 1 L 2 1FZ where VZ V Note we go all the way around the crank diagram when 2 Changes by L 2 ZL Z O F 206 e 99 FL O6 z L er 199 rad 1F V V 1F 16 SWR Vmax Ll 106 40 max Ll min 1 FL 1 06 Vmin V 1 rL04 V when 2 ZO27 L max 2mm 2 199 2 0921 23 227z Vmin when 2IBZ 739L39 3739L393 I H H W 1 N w Reverse problem min SWR Given What is the unknown load impedance 2k 40 IFLI Ll FL 06 7 WM 0921 227z 41quot 199 rad SWR 1 SWR l 06 F 2066 j199 FL06e Z Z T L 0 Z Z F Z Z L ZLZO L 0 L L 0 1F or ZLZZO L The calculation yields Defir Ie the geher elized reflectior I coefficier It at e poir It 20 II Oh the lime eihueoidel source 9 We Ger theh write VZ Are j z Zo 1quot Z0e z Zo Where A Ae j zo Z Z g a 0 sinusoidal source Z0 i ZL Hence Hence Zm ZOZOFZO 21 ZO Z0 ZO1FZO Zm Zo1 F Zo Define a normalized input impedance at point 20 We then have 2320 l1 z 1 Fz o Calculate the reflection Coefficieht arid the ir Iput impedahce at Z 7 Z 1 r L o L ZL Z0 3 Zo f ejz zo 27 1 eJZC 2 jltio39125 1 eij Z 0251 3 3 In 1rz 1 j3 ZN 7 7 708 06 20 C1 fzo 1 j3 J

×

×

### 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!"

Jennifer McGill UCSF Med School

#### "Selling my MCAT study guides and notes has been a great source of side revenue while I'm in school. Some months I'm making over \$500! Plus, it makes me happy knowing that I'm helping future med students with their MCAT."

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