DC FM
(
100
Hz)
(Using
HP
8111A
or
HP
8116A)
Note
Syn
thesizer mo
dels
without
1
GHz
capabilit
y
should
use
5
GHz
settings
instead
of
1
GHz,
as
indicated
in paren
thesis.
2.
On
the syn
thesizer, press:
4
CW
5
4
1
5
4
GHz
5
(5
GHz)
FREQUENCY
4
MENU
5
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Up/Dn
Size
CW
4
1
5
4
GHz
5
4
USER
CAL
5
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Tracking
Menu
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Peak
RF
Always
(asterisk
on)
3.
On
the
sp
ectrum
analyzer,
set:
Center
Frequency:
1
GHz
(5
GHz)
Frequency Span:
187.5 MHz
Reference
Level: 10
dBm
4.
Connect
the
high
v
oltage output
(16 V
p-p)
function
generator
and
set
it
as
follo
ws:
Function:
Sine
wave
Frequency:
100
Hz
Amplitude:
Minimum
5.
Center
the
signal
on
the
sp
ectrum
analyzer
displa
y
b
y
adjusting
the
cen
ter
frequency
.
Set
the
sp
ectrum
analyzer to
maximum
hold.
6.
On
the
syn
thesizer,
press:
4
MOD
5
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
FM On/Off
DC
(asterisk
on)
or
for
syn
thesizers
with
Option
002,
press:
4
MOD
5
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
FM
Menu
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
FM
On/Off
Ext
(asterisk
on)
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
FM
Coupling
DC
(asterisk
on)
Note
The function generator m
ust be capable of supplying
>
16 Vp-p in
to 50 to obtain sucien
t FM deviation for this
step.
7. Increase the function generator
amplitude until the width of the signal
displayed exceeds eigh
t divisions on the sp ectrum analyzer. In T
able 2-29
record P
ASS if the signal exceeds eigh
t
divisions with no unlo c
kor
overmo d message on the synthesizer. Record FAIL if not.
HP 8360 Performance Tests
Maximum FM Deviation
2-125
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