Purp
ose
This
test
measures
the
display
ed
a
v
erage
noise
lev
el
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 "
and
\Amplitude
Accy
.
INPUT
1
(10
dB
A
T
and
0
dB
A
T) "
b efore
y
ou
p erform
this
test.
Description
\Disp.
Av
erage
Noise
INPUT
1 "
is
measures
the
display
ed
a
v
erage
noise
lev
el
of
the
EMI
receiv
er
system
at
selected
frequency
in
terv
als
b et
w
een
9
kHz
and
50
MHz
through
eac
h
RF
preselector
lter
path.
Measuremen
ts
are
made
in
linear
mo
de
through
the
QP
A
(CISPR)
bandwidths,
and
in
log
mo
de
in
a
10
Hz
sp ectrum
analyzer
resolution
bandwidth.
During
these
measuremen
ts,
receiv
er
INPUT
1
is
terminated
with
a
50
load.
T
est
Settings
Settings
for
Disp.
Av
erage
Noise
INPUT
1,
QP
A
Bandwidths
F
unction
Band
A
Band
B
Band
C
RF
FREQ
9
kHz
to
150
kHz
150
kHz
to
30
MHz
30
MHz
to
50
MHz
QP
A
Filter
200
Hz
9
kHz
120
kHz
RES
BW
3
kHz
100
kHz
1
MHz
VID
BW
3
kHz
100
kHz
1
MHz
RFPS
(atten)
0
dB
0
dB
0
dB
SA
(atten)
0
dB
0
dB
0
dB
Scale
Linear
Linear
Linear
Settings
for
Disp.
Av
erage
Noise
Input
1,
10
Hz
RBW
F
unction
Settings
RF
FREQ
9
kHz
to
50
MHz
QP
A
Filter
BYP
ASS
RES
BW
10
Hz
VID
BW
1
Hz
RFPS
(atten)
0
dB
SA
(atten)
0
dB
Scale
Log
10
dB
3-20
T
est
Descriptions
HP
8572A
EMI
Receiv
er
User's
Guide