EL4101 RF Circuit Design Syllabus:
EL4101 RF Circuit Design Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
To understand and analyze the behaviour of high frequency components and transmission lines
To recognize, analyze and design, the network parameters and RF filters
To familiarize with the design of matching networks, couplers and power dividers
To understand construction of high frequency RF active devices and design RF amplifiers
To understand and analyze mixers and oscillators
UNIT I PASSIVE RF COMPONENTS AND TRANSMISSION LINE ANALYSIS
Resistors, Capacitor and Inductors at High frequency – Transmission Line Analysis: Line equation, Micro strip line, Voltage Reflection Coefficient, propagation constant phase velocity and special termination – Smith Chart-Impedance transformation – Analysis of parallel RL circuit and parallel RC circuit.
UNIT II NETWORK THEORY AND RF FILTER DESIGN
Definition – properties – interconnection of networks – ABCD parameters and S parameters – RF Filter Resonator and filter configuration – Butterworth and Chebyshev filters. Design of micro strip filters
UNIT III IMPEDANCE MATCHING NETWORK AND PASSIVE DEVICES
Impedance Matching with lumped Elements – Design of T and π matching network- Matching by micro strip line -Stub matching. Single stub matching – Double stub matching. Basic properties of dividers and couplers – T Junction Power divider – Wilkinson Power divider – Quadrature Hybrid – Coupled line Directional Coupler.
UNIT IV RF ACTIVE DEVICES AND AMPLIFIER DESIGN
The Diode Model – Two Port Design Model: The output terminals of a two port RF Device, The bipolar Transistor, The heterojunction bipolar transistor , The GaAS MESFET, The High Electron Mobility Transistor. RF Amplifier Design – Two port power Gains- Stability circles- Tests for Unconditional stability – Low Noise amplifier Design – Low Noise MOSFET Amplifier –Broad Band Transistor Amplifier Design – Characteristics of Power Amplifiers and Amplifier classes-Design Examples – PA Linearization techniques.
UNIT V RF OSCILLATORS AND MIXERS
RF Oscillators –Oscillators using BJT and FET –Dielectric Resonator Oscillators – Oscillator Phase Noise. Mixers – Mixer Characteristics – Single –Ended Diode Mixer – Single-Ended FET Mixer Balanced Mixer – Image Reject Mixer- Differential FET Mixer and Gilbert Cell Mixer.
SUGGESTED ACTIVITIES:
1. Design and Develop planar transmission line
2. Design and implement Filter for various RF inductor and capacitor frequencies
3. Design and implement impedance matching networks and couplers
4. Design RF amplifier with and without impedance matching networks in a Transceiver
5. Design mixer and oscillators for various RF frequencies
COURSE OUTCOMES:
Upon completion of the course, the students will be
CO1: Able to develop novel/compact transmission lines
CO2: Competent to design filters
CO3: Proficient in developing matching networks and couplers
CO4: Capable of designing Maximum gain, Low noise amplifiers
CO5: Able to develop mixers and oscillator for RF receivers
TOTAL :45 PERIODS
REFERENCES:
1. Reinhold Ludwig and Pavel Bretchko, “RF Circuit Design: Theory and Applications”, Pearson Education
2. David M Pozar, “Microwave Engineering”, John Wiley and Sons, 2005.
3. Les Besser and Rowan Gilmore, “Practical RF Circuit Design for Modern Wireless Systems”, Vol I, Passive Circuit and Systems, Artech house, London, 2003
4. Rowan Gilmore and Les Besser, “Practical RF Circuit Design for Modern Wireless Systems”, Vol II, Passive Circuit and Systems, Artech house, London, 2003