Agilent Technologies 83640B Service Guide

2.
On
the
syn
thesizer,
press:
4
CW
5
The rst
center
frequency in
Table
2-17.
For
the 83623B
/24B only:
Set
the
p
o
w
er
lev
el
to
0
dBm
by
pressing:
4
PO
WER
LEVEL
5
4
0
5
4
dBm
5
F
or all
other syn
thesizers: Set
the p
ow
er lev
el
to
0
9.9
dBm
b
y
pressing:
4
POWER
LEVEL
54
0 9.9
54
dBm
5
Then,
for
all
syn
thesizers:
Press:
FREQUENCY
4
MENU
5
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Up/Dn
Size
CW
4
50
5
4
MHz
5
3. On
the sp
ectrum analyzer,
set:
Center
Frequency: The
same frequency
set
in
step
2
Frequency
Span:
100
Hz
Reference Level:
0 dBm
Marker:
On
Center
Frequency
Step
Size:
50
MHz
T
able
2-17.
Pulse
On/Off
Center
Frequencies
Cen
ter
F
requency
(GHz)
Pulse
On/O
Ratio
1.0
1
6.0
9.0
20.0
22.0
1
1
Disregard if
bey
ond
y
our
syn
thesizer's
capabilit
y
.
4.
On
the
sp
ectrum
analyzer:
a.
T
une
cen
ter
frequency
to
cen
ter
the
signal
on
the displa
y.
b. Set
the
mark
er
to
highest
p
eak.
c.
Note
the
marker
amplitude.
5.
On
the
syn
thesizer,
turn
on
the
external
pulse.
Press:
4
MOD
5
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
Pulse
On/Off
Extrnl
(asterisk
on)
or,
for
synthesizers
with
Option
002,
press:
4
MOD
5
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
Pulse Menu
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
Pulse On/Off Ext
(asterisk on)
6. On the spectrum analyzer set the
reference lev
el to 0 70 dBm.
7. Set the mark
er to the highest peak and note the maxim
um mark
er amplitude.
8. The dierence bet
ween the mark
er v
alue
in step 4 and the mark
er v
alue in step 7 is the
pulse on/o
ratio. Record this v
alue in T
able 2-17
.
9. On the spectrum analyzer, set the reference lev
el to 0 dBm.
10. On the syn
thesizer, turn o
external pulse:
4
MOD
5
NNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNN
Pulse On/Off Extrnl (asterisk o )
or, for synthesizers with Option 002, press:
4
MOD
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Pulse Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Pulse On/Off Ext (asterisk o )
11. Repeat steps 2 through 10 for the remaining synthesizer and sp ectrum analyzer
frequencies in Table 2-17 with the following changes to step 7 when testing 6.0 GHz:
Agilent 8360 Performance Tests
Pulse Modulation On/Off Ratio
2-53

Agilent Technologies 83640B Specifications

General

Brand	Agilent Technologies
Model	83640B
Category	Portable Generator
Language	English