RF & MICROWAVE ENGINEERING: Beginner Guide

RF AND MICROWAVE ENGINEERING

UNIT I TWO-PORT RF NETWORKS-CIRCUIT REPRESENTATION
Low-frequency parameters-impedance, admittance, hybrid and ABCD. High-frequency parameters-Formulation of S parameters, properties of S parameters-Reciprocal and lossless networks, transmission matrix, Introduction to component basics, wire, resistor, capacitor and inductor, applications of RF

UNIT II TRANSISTOR AMPLIFIER DESIGN AND MATCHING NETWORKS
Amplifier power relation, stability considerations, gain considerations noise figure, impedance matching networks, frequency response, T and Π matching networks, microstrip line matching networks

UNIT III MICROWAVE PASSIVE COMPONENTS
Microwave frequency range, the significance of microwave frequency range - applications of microwaves. Scattering matrix -Concept of N port scattering matrix representation- Properties of S matrix- S matrix formulation of the two-port junction. Microwave junctions - Tee junctions - Magic Tee - Rat race - Corners - bends and twists - Directional couplers - two-hole directional couplers- Ferrites - important microwave properties and applications – Termination - Gyrator- Isolator-Circulator - Attenuator - Phase changer – S Matrix for microwave components – Cylindrical cavity resonators.

UNIT IV MICROWAVE SEMICONDUCTOR DEVICES
Microwave semiconductor devices- operation - characteristics and application of BJTs and Electron Devices -Gunn diode- Avalanche Transit time devices- IMPATT and TRAPATT devices. Parametric devices -Principles of operation - applications of parametric amplifier
.Microwave monolithic integrated circuit (MMIC) - Materials and fabrication techniques

UNIT V MICROWAVE TUBES AND MEASUREMENTS
Microwave tubes- High-frequency limitations - Principle of operation of Multi cavity Klystron, Reflex Klystron, Traveling Wave Tube, Magnetron. Microwave measurements: Measurement of power, wavelength, impedance, SWR, attenuation, Q, and Phase shift.