Agilent Technologies 4395A Service Manual

13.
DISPLAYED
AVERA
GE
NOISE
LEVEL
TEST
(SA)
Description
This test
uses the
4395A mark
er statistics
function to
measure
the
displa
y
ed
a
v
erage
noise
lev
el
in
the
4395A
sp
ectrum
analyzer
mo
de.
In
this
test,
the
noise
lev
el
(trace
mean
v
alue)
is measured
in linear
format [W
att]. Then
the
measured
v
alues are
conv
erted to
log magnitude
format
[dBm].
This
is
done
to
a
v
oid
sk
ewing
the
data
with
the
mark
er
statistics
function.
Specification
Displa
y
ed
a
v
erage
noise
lev
el
freq.

1 kHz,
ref. lev
el 
0
40
dBm,
att.=0
dB
:
:
:
:
:
:
:
:
:
:
:
:
:
:
::
::
::
:
:
:
<
0
120
dBm/Hz
freq.

100
kHz,
ref.
lev
el

0
40
dBm,
att.=0
dB
:
:
:
:
:
::
::
::
::
:
:
:
:
:
:
:
:
<
0
133
dBm/Hz
freq.

10
MHz,
ref.
lev
el

0
40
dBm,
att.=0 dB
::
:
:
:
:
:
:
:
:
:
<
[
0
145+
f
1
/100]
dBm/Hz
1: f
is
measuremen
t
frequency
(MHz).
T
est
Equipment
50
T
ermination
(three
required)
:
:
:
:
:
:
::
::
:
:
:
:
:
:
:
:
:
:
:
:
:
:
909C
Opt.
012
or
part
of
85032B
Procedure
1.
Connect
the
test
equipmen
t
as
sho
wn
in
Figure 2-20
.
Figure 2-20. Average Noise Level Test Setup
2-50 Performance Tests

Agilent Technologies 4395A Specifications

General

Brand	Agilent Technologies
Model	4395A
Category	Measuring Instruments
Language	English