1. Transmission Line and Termination

2. Transmission Line Analysis Wavelength Versus Distance –Lumped: –Distributed: Pulse Transition Versus Propagation Delay Single Mode –Frequency response –Propagation (timing and phase) delay –Loss and dispersion –Pulse distortion Multimode –Modal analysis Multi Lines –Crosstalk –Interference

3. Transmission Lines Metallic –Parallel Wire Pair FM and TV antenna –Twisted Wire Pair Phone line 10BaseT Ethernet http://www.swhowto.com /CAT5_Ch1.htmhttp://www.swhowto.com /CAT5_Ch1.htm –Coaxial Cable RG58 –Metallic Conduit –Planar Striplines Printed circuit board Hybrid IC carrier Dielectric –Fiber Glass Polymer

4. Characteristic Impedance Impedance –Z=V/I for an infinite cable Coaxial Cable –CATV, lab, microwave instrumentation –Loss Frequency dependent Skin depth http://www.ipm.virginia.edu/p rocess/PVD/Pubs/thesis4/ chapter2.pdf –TEM mode –Unbalanced

5. Coaxial Cables Coax Attenuation in db per 100 feet (On 27MHz) Velocity Factor Description RG-81.15 dB.6650 Ohm coax RG-592.0 dB.6675 Ohm coax RG-8/U Foam0.85 dB.8050 Ohm coax, Foam Dielectric RG-59/U Foam1.5 dB.7975 Ohm coax, Foam Dielectric Belden 99130.7 dB.84Premium 50 Ohm coax 1/2" Hardline0.35 dB.81Special coax, expensive! RG-8X (Mini-8)1.2 dB.78Small 50 Ohm coax. Preferred over RG-58. Recommended for mobile installations. RG-582.35 dB.6650 Ohm coax RG-2131.35 dB.6650 Ohm coax. RG-11/U Foam0.85 dB.8075 Ohm coax. RG-11/U1.35 dB.6675 Ohm coax http://www.rfcafe.com/references/electrical/coax_chart.htm

6. Coax Connectors BNC Type N SMA APC7 K

7. Coax Connectors

8. Twin Lead Cable Balanced –300  Balun –Balanced to unbalance transformer

9. Twisted Wire Pair Network Cables –Cat 3, 4, 5, 5E, 6,.. –DSL wiring at home http://www.smellyeyeball.com/dsl/

11. Striplines Micro Stripline Embedded Stripline Coplanar Stripline Loss –Metallic Skin depth Localized current flow –Dielectric Loss tangent –Surface roughness

12. Transmission Line Termination Impedance Matching –Termination Mismatch –Reflection Time Domain Picture –http://www.williamson-labs.com/xmission.htmhttp://www.williamson-labs.com/xmission.htm Frequency Domain Analysis

13. Reflection and Transmission Reflection Standing Wave Ratio Wave Visualization –http://www.educatorscorner.com/index.cgi?CONTENT_ID=2 483http://www.educatorscorner.com/index.cgi?CONTENT_ID=2 483

14. Impedance Matching Effective Impedance –Load impedance –Cable in front of load –Frequency dependent –Bandwidth –Smith chart http://www.educatorscorner.com/index.cgi?CONTENT_ID=2482 Impedance Matching –Transformer www.minicircuits.com/pages/pdfs/tran14-2.pdfwww.minicircuits.com/pages/pdfs/tran14-2.pdf –Stub http://www.ee.surrey.ac.uk/Personal/D.Jefferies/stubs.html Application –http://www.sss-mag.com/pdf/arrl_circles.pdfhttp://www.sss-mag.com/pdf/arrl_circles.pdf

15. Time Domain Reflectometry Principle –Launch a pulse or a step waveform into the cable –Monitor reflected signal –Delay: location of mismatch –Magnitude: amount of mismatch Equipment –http://www.tek.com/Measurement/App_Notes/55_14601/en g/55W_14601_1.pdfhttp://www.tek.com/Measurement/App_Notes/55_14601/en g/55W_14601_1.pdf –Pulse generatorPulse generator

16. Time Domain Reflectometry Measurements –http://bwrc.eecs.berkeley.edu/Classes/EE290C_S 04/lectures/Lect03_measurement.pdfhttp://bwrc.eecs.berkeley.edu/Classes/EE290C_S 04/lectures/Lect03_measurement.pdf –http://literature.agilent.com/litweb/pdf/5988- 6505EN.pdfhttp://literature.agilent.com/litweb/pdf/5988- 6505EN.pdf Build Your Own TDR –http://www.web-ee.com/Schematics/TDR/tdr.htmhttp://www.web-ee.com/Schematics/TDR/tdr.htm

17. Analysis for Digital Pulse Pulse Analysis –http://www.mwrf.com/Articles/Print.cfm?ArticleID=5433http://www.mwrf.com/Articles/Print.cfm?ArticleID=5433 Pulse Distortion EESoft Modeling http://eesof.tm.agilent.com/pdf/asia_forum_2004_07. pdf http://eesof.tm.agilent.com/pdf/asia_forum_2004_07. pdf

18. Reading and Exercise Reading –http://cktse.eie.polyu.edu.hk/eie403/Trans missionline.pdfhttp://cktse.eie.polyu.edu.hk/eie403/Trans missionline.pdf Exercise –http://courses.ece.uiuc.edu/ece450/Home work/HW3_F2004.pdfhttp://courses.ece.uiuc.edu/ece450/Home work/HW3_F2004.pdf Reference –http://www.connectorwizard.com/reference /articles/pdfs/GoldenStandard_Part2.pdfhttp://www.connectorwizard.com/reference /articles/pdfs/GoldenStandard_Part2.pdf

19. Chapter Review Transmission Lines –balanced and unbalance –Balum Characteristic Impedance Reflection Coefficient Voltage Standing Wave Ratio Smith Chart Impedance Matching Time Domain Reflectometry