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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
34-11Microwave Measurement
34.3.4 Tracking Preselection
For small input signals, the spectrum analyzer can be considered a linear device. However, if the input
le
vel
in
creases,
ha
rmonics
an
d
IM pr
oducts
ar
e
ge
nerated
du
e
to th
e
no
nlinearities
of a mi
xer
. e
se
pr
oducts
re
sult
in sp
urious
sig
nals
on th
e
sc
reen
of th
e
sp
ectrum
an
alyzer
. In ad
dition,
im
age
fr
equen-
cies
wi
ll
ap
pear
on th
e
sc
reen,
as de
monstrated
ea
rlier
. To av
oid
th
ese
sp
urious
re
sponses,
a tr
acking
pr
eselection
l
ter
is em
ployed
at th
e
in
put
of th
e
sp
ectrum
an
alyzer
. A tr
acking
pr
eselection
l
ter
is an
el
ectronically
t
uned
b
and-pass
lter
u
sually
r
ealized
u
sing
a y
ttrium
i
ron
g ...
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Publisher Resources

ISBN: 9781439848913