Agilent Technologies 83650B Service Guide

Marker: Set
to 6.99
GHz
6.
On the
spectrum
analyzer, set
the mark
er
to
the
highest
p
eak
and
note
the
frequency
dierence
of
the
mark
er
from
the
cen
ter
frequency
.
Calibrate the
spectrum
analyzer
frequency
oset
so that
the signal
peak
is in
the cen
ter of
the displa
y
.
7.
Note the
signal amplitude
on the
sp
ectrum
analyzer.
This
is
the
carrier
amplitude
to
whic
h
the
spurs
are
referenced.
dBm
Carrier
Amplitude
Note
This
pro
cedure
is
written
for
a
line frequency
of 60
Hz. F
or a
50
Hz
line
frequency,
lo ok
for spurs
at
frequencies
of
50
Hz
times
the
harmonics
in
T
able
2-14
,
and
set
the
sp
ectrum
analyzer
frequencies
accordingly
.
8.
On
the
sp
ectrum
analyzer,
set
the
cen
ter
frequency
to
the
rst
spur
frequency
from
T
able
2-14
.
Then
set:
Reference
Level:
0
50
dBm
Frequency
Span:
100
Hz
Resolution
Bandwidth:
10
Hz
Marker:
Same
as
spectrum
analyzer
frequency
Video
Averaging:
On
100
samples
9.
Lo
cate
the
spur
corresp
onding
to
the
sp
ectrum
analyzer
frequency
(see
Table
2-14)
and
use
the
mark
er
to
measure
its
amplitude.
If
the
spur
is
in
the
noise
lev
el,
use
the
noise
lev
el
amplitude
(this
giv
es a
w
orst
case
v
alue).
dBm
Spur
Absolute
Amplitude
10.
Calculate
the
spur
lev
el
in
dBc
as
follo
ws:
Spur
Lev
el
(dBc)
=
0
[Carrier
Amplitude
(dBm)
0
(Spur Lev
el)]
Record
the
result
on
the
test
record.
Compare
the result
to the
sp
ecication.
Note
The o
dd harmonics
will
normally
b
e
higher
than
the
ev
en
harmonics.
11.
Repeat
steps
8
through
10
for
eac
h
of
the
spurs
and
sp
ectrum
analyzer
frequencies
in
Table
2-14.
Change the
spectrum
analyzer reference
level
as
indicated
in
the
table.
T
able 2-14.
Spectrum Analyzer Frequencies and Line Spur Frequencies and Harmonics
Line Spur
Harmonic
Line Spur
Frequency (Hz)
Sp ectrum Analyzer
Frequency (Hz)
Reference Lev
el
(dBm)
2 120 6,990,000,120 0 50
3 180 6,990,000,180 0 50
4 240 6,990,000,240 0 50
12. For synthesizers capable of frequencies down to 10 MHz, set the synthesizer and spectrum
analyzer to 1.9 GHz and repeat steps 6 through 11 for this frequency.
2-46 Performance Tests
Spurious Signals (Line-Related)
Agilent 8360

Agilent Technologies 83650B Specifications

General

Brand	Agilent Technologies
Model	83650B
Category	Portable Generator
Language	English