Purp
ose
This
test
measures
absolute
amplitude
accuracy
through
receiv
er
INPUT
1 .
Note
Dep ending
on
the
order
in
whic
h
y
ou
p erform
the
op eration
v
erication
tests,
the
softw
are
may
in
v
ok
e
a
calibration
adjustmen
t
automatically
,
b efore
running
this
test.
Refer
to
\Receiv
er
Calibration
INPUT
1 ".
T
o
assure
test
accuracy
,
y
ou
m
ust
complete
\Receiv
er
Calibration
INPUT
1 ",
\Log
Fidelit y",
\Linear
Fidelit y",
and
\Reference
Lev
el
Switching
Uncertain
t
y"
(20
Hz
to
9
kHz)
b efore
y
ou
p erform
this
test.
Description
\Amplitude
Accy
.
INPUT
1
(10
dB
A
T
and
0
dB
A
T),
20
Hz-9
kHz "
relies
on
the
amplitude
accuracy
of
the
HP
3335A
syn
thesizer/level
generator
and
is
measured
b
y
injecting
a
reference
p o
w
er
from
the
HP
3335A
syn
thesizer/level
generator
directly
in
to
the
system.
Dierences
in
the
amplitude
measured
b
y
the
EMI
receiv
er
system
are
compared
to
the
amplitude
setting
of
the
HP
3335A
syn
thesizer/level
generator.
The
amplitude
accuracy
of
the
EMI
receiv
er
system
is
the
dierence
b et
w
een
the
amplitude
setting
of
the
HP
3335A
syn
thesizer/level
generator
and
the
EMI
receiv
er
system 's
measuremen
t.
\Log
Fidelit y",
\Linear
Fidelit
y",
\Reference
Lev
el
Switching
Uncertain
t
y",
and
the
accuracy
of
the
EMI
receiv
er
system's
in
ternal
calibration
sequence
con
tribute
to
the
amplitude
accuracy
of
the
EMI
receiv
er
system
in
an
y
v
alid
setting.
These
error
con
tributors
are
measured
in
separate
tests.
T
est
Settings
Amplitude
accuracy
is
tested
at
b oth
10
dB
and
0
dB
sp ectrum
analyzer
input
attenuation.
The
settings
used
during
this
test
are:
F
unction
Settings
RF
FREQ
20
Hz
to
9
kHz
RES
BW
10
Hz
QP
A
lter
BYP
ASS
RFPS
(atten)
0
dB
SA
(atten)
10
dB
or
0
dB
Scale
Log
1
dB
3-16
T
est
Descriptions
HP
8572A
EMI
Receiv
er
User's
Guide