Purp
ose
This
test
measures
the
display
ed
a
v
erage
noise
lev
el
through
the
receiv
er
INPUT
3 .
Note
T
o
assure
test
accuracy
,
y
ou
will
need
the
amplitude
c
haracterization
data
(INPUT
3,
0
dB
A
T)
in
the
HP
8571A/8572A
EMI
R
e
c
eiver
1
GHz
to
22
GHz
Calibr
ation
Data
Manual
.
Y
ou
m
ust
complete
\Amplitude
Accy
.
INPUT
3 "
b efore
y
ou
p erform
this
test.
Description
\Disp.
Av
erage
Noise
INPUT
3 ,
10
Hz
RBW "
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
1
GHz
and
22
GHz.
Measuremen
ts
are
made
with
the
EMI
receiv
er
system
in
a
10
Hz
resolution
bandwidth
and
0
dB
input
attenuation;
receiv
er
INPUT
3
is
terminated
with
a
50
load,
and
the
quasi-p eak
adapter
is
in
b
ypass
mo
de.
T
est
Settings
Settings
for
Disp.
Av
erage
Noise
INPUT
3,
10
Hz
RBW
F
unction
Settings
RF
FREQ
1
GHz
to
22
GHz
QP
A
lter
BYP
ASS
RES
BW
10
Hz
RFPS
BYP
ASS
SA
(atten)
0
dB
Scale
Log
10
dB
HP
8572A
EMI
Receiv
er
User's
Guide
T
est
Descriptions
3-49