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Books > Professional & Technical > Energy technology & engineering > Electrical engineering
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Noise Analysis of Radio Frequency Circuits (Paperback, Softcover reprint of the original 1st ed. 2004)
Loot Price: R2,900
Discovery Miles 29 000
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Noise Analysis of Radio Frequency Circuits (Paperback, Softcover reprint of the original 1st ed. 2004)
Expected to ship within 10 - 15 working days
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In high speed communications and signal processing applications,
random electrical noise that emanates from devices has a direct
impact on critical high level specifications, for instance, system
bit error rate or signal to noise ratio. Hence, predicting noise in
RF systems at the design stage is extremely important.
Additionally, with the growing complexity of modern RF systems, a
flat transistor-level noise analysis for the entire system is
becoming increasingly difficult. Hence accurate modelling at the
component level and behavioural level simulation techniques are
also becoming increasingly important. In this book, we concentrate
on developing noise simulation techniques for RF circuits.
The difference between our approach of performing noise analysis
for RF circuits and the traditional techniques is that we first
concentrate on the noise analysis for oscillators instead of
non-oscillatory circuits. As a first step, we develop a new
quantitative description of the dynamics of stable nonlinear
oscillators in presence of deterministic perturbations. Unlike
previous such attempts, this description is not limited to
two-dimensional system of equations and does not make any
assumptions about the type of nonlinearity. By considering
stochastic perturbations in a stochastic differential calculus
setting, we obtain a correct mathematical characterization of the
noisy oscillator output. We present efficient numerical techniques
both in time domain and in frequency domain for computing the phase
noise of oscillators. This approach also determines the relative
contribution of the device noise sources to phase noise, which is
very useful for oscillator design.
This new way of characterizing the oscillator output has a
far-reaching impact on the noise analysis methodology for
nonautonomous circuits, which we also investigate. We also use the
perturbation analysis results of oscillators to derive the phase
noise of phase feedback systems such as phase-locked loops. We
formulate the problem as a stochastic differential equation and is
solved in presence of circuit white noise sources yielding the
spectrum of the PLI output.
Noise Analysis of Radio Frequency Circuits is written for circuit
designers and will be of particular interest to RF circuit
designers.
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