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Technical Articles
Active Filter
Design
Explains how to design
Butterworth, Bessel and Chebyshev active filters.
Filter Pole tables are included
Nodal Analysis
of Op Amps
Explains how to derive
the transfer function of op amp circuits to
determine how they will behave
Advanced Op Amp Theory
A detailed look at Op
Amp Behaviour at ac including Open Loop Gain, Closed
Loop Gain, Loop Gain, Phase Margin and Gain Margin
QPSK Modulation Demystified
Explains how to use
high school mathematics to work out how modern
communication systems work
Op Amp Noise
Analysis
Explains how to
calculate the output noise of an op amp circuit and
verifies the results in LTspice®
The Wien Bridge Oscillator
The mathematics behind
how they work
Digital Control of a Power Supply
How to add digital
control to any power supply
LTspice is a
registered trademark of Linear Technology
Corporation
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