311exam1 - ECE 311 - Spring Quarter 2010 Exam #1 April...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
ECE 311 - Spring Quarter 2010 Exam #1 April 21st, 2010 Write your name below and on each sheet of the exam if you tear out pages. Sign the honor pledge “No aid given, received, or observed” if it applies. There are 3 problems on this exam. Exam is open book and notes. Please box or underline your final answers, and remember to include units. Be sure to show all work clearly if you wish to obtain any partial credit.Try to keep your work within the provided space. Use the back of a previous sheet if necessary. A selected table of formulas is included below for your reference. Name: ____________________________________________________ “The Pledge”: ____________________________________________________ General Equations: γα j β + R ' j ω L ' + () G ' j ω C ' + == Z 0 R ' j ω L ' + G ' j ω C ' + = L ' C ' με = G ' C ' ⁄σ ε = β 2 πλ = u P ω β --- = α dB m 8.6859 α = V ˜ z V 0 + e γ z V 0 - e γ z + = I ˜ z V 0 + e γ z V 0 - e γ z Z 0 = Lossless lines: βω μ ε = Z 0 L ' C ' = u P 1 = Distortionless line: R ' L ' G ' C ' = Z 0 L ' C ' = L ' C ' = α R ' C ' L ' = Terminated lossless lines: Γ Z L Z 0 Z L Z 0 + V 0 - V 0 + Zl Z 0 Z L jZ 0 β l tan + [] Z 0 L β l tan + {} = VSWR 1 Γ + 1 Γ = P av V 0 + 2 1 Γ 2 2 Z 0 = Coax: R '= R s 2 π ------ 1 a -- 1 b + ⎝⎠ ⎛⎞ G 2 πσ ba ln -------------------- L μ 2 π ln C 2 πε ln ------------------- Parallel plate: R 2R s W -------- G σ W d L μ d W C ε W d ------- R s π f μ c σ c =
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Problem 1 (5 parts, 4 points each): circle the best answer (1) Which of the following is FALSE about distortionless lines?
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/11/2011 for the course ECE 311 taught by Professor Johnson,j during the Fall '08 term at Ohio State.

Page1 / 8

311exam1 - ECE 311 - Spring Quarter 2010 Exam #1 April...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online