Purp
ose
This
test
measures
the
display
ed
a
v
erage
noise
lev
el
through
receiv
er
INPUT
2 .
Note
T
o
assure
test
accuracy
,
y
ou
m
ust
complete
\Calibration
INPUT
2 "
and
\Amplitude
Accy
.
INPUT
2
(10
dB
A
T
and
0
dB
A
T) "
b efore
y
ou
p erform
this
test.
Description
During
these
measuremen
ts,
receiv
er
INPUT
2
is
terminated
with
a
50
load,
and
measured
for
display
ed
a
v
erage
noise
b et
w
een
20
MHz
and
2.0
GHz
at
selected
frequency
in
terv
als
through
eac
h
RF
preselector
lter
path.
Measuremen
ts
are
made
in
linear
mo
de
through
the
QP
A
(CISPR)
bandwidth,
and
in
log
mo
de
in
a
10
Hz
resolution
bandwidth.
T
est
Settings
Settings
for
Disp.
Av
erage
Noise
INPUT
2,
QP
A
Bandwidths
F
unction
Band
B
Band
C
Band
D
RF
FREQ
20
MHz
to
30
MHz
30
MHz
to
300
MHz
300
MHz
to
2.0
GHz
QP
A
lter
9
kHz
120
kHz
120
kHz
RES
BW
100
kHz
1
MHz
1
MHz
VID
BW
100
kHz
1
MHz
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
2,
10
Hz
RBW
F
unction
Settings
RF
FREQ
20
MHz
to
2.0
GHz
QP
A
lter
BYP
ASS
RES
BW
10
Hz
VID
BW
1
Hz
RFPS
(atten)
0
dB
SA
(atten)
0
dB
Scale
Log
10
dB
3-40
T
est
Descriptions
HP
8572A
EMI
Receiv
er
User's
Guide