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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
8-16 Sensors and Sensor Technology
Figure 8.21 shows the Gm–C lter structure used in this design. e dierential structure has been
used to cancel common mode signals in the signal path.
No
rmally,
th
e
Gm of th
e
Gm–C l
ters
is tu
ned
to ge
t
th
e
pr
oper
cu
to
fr
equency,
bu
t
in th
is
ci
rcuit,
no ex
tra
tu
ning
is ne
cessary,
be
cause
th
e
co
rner
fr
equency
is we
ll
be
low
1 kH
z
. e dc ou
tput
sig
nal
of
th
is
s
tage
g
oes
to t
he
a
nalog-to-digital
c
onverter
s
ection
.
8.3.8 Analog-to-Digital Conversion
Among dierent techniques used for analog-to-digital conversion, sigma–delta is very attractive espe-
cially for low-frequency conversion. Other A/D conversion tech ...
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Publisher Resources

ISBN: 9781439848913