Welcome to the world of RF & Microwave Engineering Intro and Roadmap Text Book : Microwave Devices and Circuits by Samuel Y. Liao Welcome to the world of RF & Microwave Engineering Avionics Engineering Department

Reference Books Microwave Engineering by Pozar Microwave Transistor Amplifiers by Gonzalez Understanding Microwaves by Scott Microwaves Made Simple by Cheung Microwaves101 (website on Internet)

Tests and Exams Quizzes (10%) Midterms (35%) & ESE (30%) Labs (15%) Closed book From the last two lectures Midterms (35%) & ESE (30%) Closed book (Short Qs, Numericals, Derivations, Explanations) A Cheat Sheet might be permitted or provided Labs (15%) Lab assignments Lab ESE – Mini project of microwave component design in ADS Assignments (10%) Submission time = 1 week Questions similar to assignments would be asked in tests/exam

Important Instructions Calculators Possession of own calculator Borrow/exchange of calculators during Quizzes/OHTs/ETT is STRICTLY PROHIBITED Book Frequently refer to the reference books and the text book. Many test problems will come form the end of the chapter problems. Class Notes Not all that will be taught would be easy to find in text book / reference books. Stay attentive in the class and make your notes. You can be tested on any thing discussed in the class.

Why Study Microwave World War II : Advent of Radars Every day life : Microwaves, Cell Phones, Cordless… X-Rays, MRI, RFID and IFF Sensors and Detection Military Applications and Impact Drone Attacks Air Space Violations Stealth Operations Radar and Communication :Technology dependence

Microwave Frequencies

IEEE Frequency Band Designation

Microwave Frequencies Letter Designation Frequency range L band 1 to 2 GHz S band 2 to 4 GHz C band 4 to 8 GHz X band 8 to 12 GHz Ku band 12 to 18 GHz K band 18 to 26.5 GHz Ka band 26.5 to 40 GHz Q band 30 to 50 GHz V band 50 to 75 GHz E band 60 to 90 GHz W band 75 to 110 GHz F band 90 to 140 GHz D band 110 to 170 GHz

Stripline

Microwave Systems Radio Radar Microwave Heating Mobile Phones Navigation & Positioning Wireless Communication Wireless Networks Electronic Warfare -- -- --

Benefits of Microwave Frequencies Larger Bandwidths Lesser Congestion (Noise & Interference) High Gain Antennas Special Effects (Heating)

Microwave Devices Tubes Power Transistors BJTs, FETs Diodes

Components of a Microwave System Antenna Direction Coupler Detector Filters (BPF, LPF, HPF) Limiter LNA Mixer VCOs Isolator

Microwave Devices Classification Active vs Passive Assignment #1 1)How microwaves are generated(produced)?? 2)What are Active and Passive microwave devices, describe how are these related to microwave

Questions?