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Analog Electronics
book

Analog Electronics

by Ian Hickman
October 2013
Intermediate to advanced content levelIntermediate to advanced
342 pages
16h 43m
English
Newnes
Content preview from Analog Electronics
42
Analog Electronics
You
can see how
easily numerical answers drop
out
of the
expression
for
the
particular case
of a
tuned circuit where
L
=
1
Η and C = 1 F,
which is of course resonant
at
ωο
=
1/V(LC)
= 1
rad/s.
You
won't often
be
using
a tuned circuit with those particular values,
but we
can simplify
the
maths
for any old
tuned circuit,
using
the
technique
-
mentioned earlier
- of
normalization.
The
trick here
is to
normalize
to ω„,
i.e.
to
express
any
radian frequency under con-
sideration
not as its
actual value,
but by its
ratio
to
the resonant frequency
ω„.
Since
ω =
1/V(LC),
we
can
replace
LC in the
denominator
of
(2.5) with
1/ω
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Publisher Resources

ISBN: 9781483162287