1ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityLecture 1Introduction to the Course ECE 303In this lecture you will learn:• The basic structure of the course • Course policies• Introduction to Electromagnetic Fields and Waves•The cutting edge areas in related applications and researchECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityRecitation Sections• In order to take this class every student MUST be able to attend:- One recitation section on Tuesday AND- One recitation section on Thursday• Recitation Instructors:Dr. Wesley SwartzPaul GeorgeDr. Christina Manolatou• Recitation Schedule:(a) Tuesday and Thursday 1:25-2:40 PM in PH203(b) Tuesday and Thursday 2:55-4:10 PM in PH2032ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityTutorial Sections• Tutorials are offered by the TAs• Course TAs are:Paul George, Felix Lee• Tutorials are NOT mandatory• Tutorials are meant to help you in homework• Tutorial schedule (room PH403):(a) Thursday 4:30-5:30 PM (Paul George)(b) Thursday 6:00-7:00 PM (Felix Lee)• Office hours are meant for students looking for individual help(a) Wednesday 3:00-4:00 PM (PH113)(b) Friday 3:00-4:00 PM (PH113)Office HoursECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityCourse Website• All course documents, including:- Lecture notes- Homeworks and solutions- Exam solutions- Extra course related materialwill appear on the course website:http://instruct1.cit.cornell.edu/courses/ece303/Homeworks• Homeworks will be due on Fridays at 5:00 PM in the course drop box• New homeworks and old homework solutions will appear on the course website by Friday night• Homework 1 will be due next Friday and will be available on thecourse website by tonight3ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityCourse Material and TextbooksFirst 3-4 weeks:(a) Lecture Slides/Notes and (b) Online text book:http://web.mit.edu/6.013_book/www/Next 8-9 weeks:(a) Lecture Slides/Notes and (b) ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityA New Course Textbook• Chapters from a new course textbook (partially completed) and written by the Cornell faculty will be made available through Blackboard• Students must enroll in Blackboard to access these chapters:http://blackboard.cornell.edu/4ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityCourse Grading• Course grading will be done as follows:- Recitations (5%)-Homeworks(20%)- 3 Prelims (40%)- Final exam (35%)• Final exam will be comprehensiveECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityMaxwell’s Equations in Free Space tEJHtHEHEoooo∂∂+=×∇∂∂−=×∇=∇=∇rrrrrrrεµµρε )4( )3(0. )2(. )1(Gauss’ LawGauss’ LawFaraday’s LawAmpere’s LawJames Clerk Maxwell(1831-1879)The entire course is about these 4 equations !!5ECE 303 – Fall 2007 – Farhan Rana – Cornell University49.92 MHz incoherent scatter radar at the Jicamarca ObservatoryThe radar has an array of 18,432 half-wave dipoles !!Radars for Upper Atmosphere ResearchECE 303 – Fall 2007 – Farhan Rana – Cornell University300 mArecibo Radio Telescope in Puerto Rico6ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityDish Antennas for Satellite CommunicationsA DIRECTV dish antennaECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityDopler Radar of an F-16 Plane7ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityPANCAMHigh Gain AntennaMars RoverAntennas for Deep Space CommunicationsECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityCommunication Networks: Wireless and Optical8ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityA dipole antenna integrated with a low noise amplifier on a PC board for mobile receivers(4-8 GHz)Stub tunersAntennas for Mobile Consumer ProductsA PCMCIA card antenna – shown with the cover removed (2-5 GHz)ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityA 100 GHz integrated monopole antennaA 60 GHz patch antennaAntennas: The Next Wave in IntegrationA 500-2000 GHz log-periodic integrated antenna500 µm9ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityGuiding Electromagnetic Energy: Transmission Linesshieldcenter conductor+-RVTransmission LinesECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityMicrowave Circuits100 umA planar on-chip inductorA 3-D on-chip inductorA GaN amplifier chip with stub tuners for 10 GHz operation A Silicon 1 GHz amplifier chip10ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversitySemiconductor laser~DCRFdetectoroptical fiberpumplaserErbiumDopedFiberAmplifieroptical fiberOptical Fiber Communication LinksLight guiding in an optical fibercladdingcorelightinlightoutECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityA commercial packageddiode laserSemiconductor Lasers: Powering Up the Information AgeSemiconductor laser chipactual laser(the long strip)Wire bondOptical fiberMicrowave coaxial line11ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityA semiconductor laser that produces femtosecond long pulses of lightA widely tunable 20 GHz modulation speed semiconductor laserAn optical micro-ring filter (separates out light of a particular color)An optical micro-splitter (splits light two ways)Micro-Photonics: Processing Photons on Chipsfiber100 um2 umECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityNano-Electronics100 nmA single electron transistor (works on the principle of strong electrostatic repulsion between electrons in nanostructures)100 nmA 50 nm gate MOS transistor (electrostatics become more important as device dimensions shrink)A single atom transistor12ECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityMEMs: Micro-Electro-Mechanical DevicesBar Resonator Checkerboard FilterVHF Beam Electrostatically actuated MEMsresonators could be components of future integrated wireless systemsECE 303 – Fall 2007 – Farhan Rana – Cornell UniversityNano-Biology and ElectromagneticsProtein folding is determined by the complex electrostatic interactions among the atomsThe generation and propagation of action potentials in nerve cells are modeled as electrical signals in (non-linear) transmission linesA transmission line model of a nerve cell13ECE 303 – Fall 2007 – Farhan Rana – Cornell