CU4251 RF System Design Syllabus:

CU4251 RF System Design Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES:

 Be familiar with RF transceiver system design for wireless communications
 Be exposed to design methods of receivers and transmitters used in communication systems
 Design RF circuits and systems using an advanced design tool.
 Exemplify different synchronization methods circuits and describe their block schematic and design criteria
 Measure RF circuits and systems with a spectrum analyzer.

UNIT I BASICS OF RADIO FREQUENCY SYSTEM DESIGN

Definitions and models of Linear systems and Non-linear system. Specification parameters: Gain, noise figure, SNR, Characteristic impedance, S-parameters, Impedance matching and Decibels. Elements of digital base band signalling: complex envelope of band pass signals, Average value, RMS value, Crest factor, Sampling, jitter, modulation techniques, filters, pulse shaping, EVM, BER, sensitivity, selectivity, dynamic range and, adjacent and alternate channel power leakages

UNIT II RADIO ARCHITECTURES AND DESIGN CONSIDERATIONS

Superheterodyne architecture, direct conversion architecture, Low IF architecture, band-pass sampling radio architecture, System Design Considerations for an Analog Frontend Receiver in Cognitive Radio Applications, Interference, Near, In-band & wide-band considerations.

UNIT III AMPLIFIER MODELING AND ANALYSIS

Noise: Noise equivalent model for Radio frequency device, amplifier noise model, cascade performance, minimum detectable signal, performance of noisy systems in cascade. Non-Linearity: Amplifier power transfer curve, gain compression, AM-AM, AM-PM, polynomial approximations, Saleh model, Wiener model and Hammerstein model, intermodulation, Single and two tone analyses, second and third order distortions and measurements, SOI and TOI points, cascade performance of nonlinear systems.

UNIT IV MIXER AND OSCILLATOR MODELING AND ANALYSIS

Mixers: Frequency translation mechanisms, frequency inversion, image frequencies, spurious calculations, principles of mixer realizations. Oscillators: phase noise and its effects, effects of oscillator spurious components, frequency accuracy, oscillator realizations: Frequency synthesizers, NCO.

UNIT V APPLICATIONS OF SYSTEMS DESIGN

Multimode and multiband Superheterodyne transceiver: selection of frequency plan, receiver system and transmitter system design – Direct conversion transceiver: receiver system and transmitter system design.

TOTAL : 45 PERIODS

COURSE OUTCOMES:

Upon the completion of course, students will be able to
CO1: understand the specifications of transceiver modules
CO2: understand pros and cons of transceiver architectures and their associated design considerations
CO3: understand the impact of noise and amplifier non-linearity of amplification modules and also will learn the resultant effect during cascade connections
CO4: get exposure about spurs and generation principles during signal generation and frequency translations
CO5: understand the case study of transceiver systems and aid to select specification parameters

REFERENCES

1. The Design of CMOS Radio-Frequency Integrated Circuits by Thomas H. Lee. Cambridge University Press, 2004.
2. Qizheng Gu, “RF System Design of Transceivers for Wireless Communications”, Springer ,2005.
3. Kevin McClaning, “Wireless Receiver Design for Digital Communications,” Yes Dee Publications, 2012.
4. M C Jeruchim, P Balapan and K S Shanmugam, “Simulation of Communication systems:Modeling, Methodology and Techniques”, Kluwer Academic/Plenum Publishers, 2nd Edition, 2000.