Environmental Engineering Reference
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the input at the frequencies
and
as they contribute
to the fundamentals.
The frequency reversal theorem can be used in both cases to lower
the cost of computation.
The third-order inter-modulation distortion at
is computed
from
where
and
are the contributions of
and
at
respectively,
and
are the contributions of
and
at
respectively.
5. Examples
In this section, both the harmonic distortion and intermodulation
distortion of several periodically switched nonlinear circuits are analyzed
using the algorithms presented in this chapter. The results are compared
with those from transient-FFT analysis of SPICE.
5.1
Modulator
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