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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
35-6 Electromagnetic Variables
e Q-meter can be used to determine C
d
, which will also allow for an accurate calculation of induc-
tance
. D
etermining
C
d
is a matter of resonating the inductor under test at more than one frequency.
To un
derstand
ho
w
th
e
tw
o-frequency
me
asurement
wi
ll
al
low
th
e
de
termination
of C
d
, assume that
an in
ductor
is re
sonated
at a fr
equency
f
1
. e relationship between the applied frequency, f
1
, and the
ca
pacitor
o
f
t
he
Q-
meter
to o
btain
r
esonance
i
s
f
L C C
1
1
1
2
=
+
π
( )
d
(3
5
.10
)
where
C
1
is the capacitance set on the Q-meter.
Re
sonating
th
e
sa
me
in
ductor
at a se
cond,
hi
gher,
fr
equency,
f
2
, requires a Q-meter capacitance
of ...
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Publisher Resources

ISBN: 9781439848913