Description of the basic components used to build the communication circuits; principal considerations; principal considerations in planning the transmitter, receiver; the problem of interference and the heterodyne receiver structure,

 

Basic Concepts in RF communications

Linearity - harmonics and inter-modulation; Effects of non-linearity on the signal being picked up; quantifying the phenomenon-1dB compression point and IP3; cascading of nonlinear stages,

Noise - Noise types and the modeling of a noisy circuit as an equivalent two-port noiseless circuit with external noise sources; definition of Noise Figure of a single stage and the derivation of the noise figure Ferris formula for multiple cascaded stages; noise figure of passive circuits,

Receiver sensitivity and dynamic range,

Characterization of basic elements –Mixers; power combiners/splitters; oscillators; phase noise; cables,

 

Design and analysis of a full reception chain

Definition and planning of all major parameters of a receiver based on given performance requirements,

 

Introduction to circuits

Impedance matching circuits – The transformer; RLC circuits; the resonance frequency; bandwidth definition; T and TT matching; mixed networks, Tapped capacitor resonator nad Tapped inductor resonator,

Transistors – high-frequency model; noise model for MOSFET and BJT transistors,

 

Basic component structure

Mixers -Active and passive mixers

Frequency oscillators – Oscillation condition, no planning, phase noise, linear calculation for different architectures

Amplifier – low noise Amp. LNA; Tuned Amp.