• Microwave Circuits are composed of distributed elements with dimensions such that the voltage and phase over the length of the device can vary significantly. • By modifying the lengths and dimensions of the device, the line voltage (and current) amplitude and phase can be effectively controlled in a manner to obtain a specifically desired frequency response of the device. • Microwave Circuits are used to design microwave amplifiers, oscillators, filters, power dividers/combiners, multiplexers, antennas and mixers. • The necessary tools for the analysis and design of microwave circuit devices require an understanding of: transmission lines, two-port networks (Z, Y, ABCD Parameters), network theory (S-parameters), impedance matching, and filter design. Much of the course will develop a deeper understanding of these fields while integrating specific applications of microwave circuit design. RF & Microwave Circuit Design http://webpages.iust.ac.ir/nayyeri/courses/mcd/ Dr. Vahid Nayyeri Microwave Circuits Design
Transcript
• Microwave Circuits are composed of distributed elements withdimensions such that the voltage and phase over the length ofthe device can vary significantly.
• By modifying the lengths and dimensions of thedevice, the line voltage (and current) amplitudeand phase can be effectively controlled in amanner to obtain a specifically desired frequencyresponse of the device.
• Microwave Circuits are used to designmicrowave amplifiers, oscillators, filters, powerdividers/combiners, multiplexers, antennas and mixers.
• The necessary tools for the analysis and design of microwavecircuit devices require an understanding of: transmission lines,two-port networks (Z, Y, ABCD Parameters), network theory(S-parameters), impedance matching, and filter design. Much ofthe course will develop a deeper understanding of these fieldswhile integrating specific applications of microwave circuitdesign.
RF & Microwave Circuit Design
http://webpages.iust.ac.ir/nayyeri/courses/mcd/
Dr. Vahid NayyeriMicrowave Circuits Design
• Microwave circuits find their use in a plethora ofapplications, including:1) Wireless Communications (cellular, PCS)2) Wireless Networking3) Digital Communications (Ground-Ground, Satellite-
Ground, Satellite-Satellite)
4) Radar Systems (ground based, airborne, personal vehicles) –Target detection and identification, imaging (e.g., SAR)
5) Deep Space Communications
6) Medical Imaging and treatment
http://webpages.iust.ac.ir/nayyeri/courses/mcd/
Dr. Vahid NayyeriMicrowave Circuits Design
What is the Microwave Circuit Designer’s Duty for WirelessSystems?
• Designing filters, mixers, amplifiers,oscillators, matching networks, packaging,and system level design of the Analog andDigital Systems
• Direct hand held unit communication with low earth orbit andmid earth orbit satellites
• Direct high-speed digital communication with low earth orbitand mid earth orbit with portable computers.• Miniature high-power amplifiers with low signal to noise
ratios, miniature high-Q filters, novel printed antennas, newpackaging technology for combining RF and digitalcircuitry, reducing parasitics, improved modeling andanalysis capabilities
