Agilent Technologies 83640B Service Guide

12.
Circle P
ASS on
the test
record if
all the
results in
T
able
2-29
are
P
ASS.
If not,
circle F
AIL
on
the
test
record.
A
CFM
(at 100
kHz) (Using
HP/Agilent 3325A)
Note
Maximum
FM deviation
for a
100
kHz
rate
is
limited
to
a
mo
dulation
index
of
5
times
n,
where
n
=
frequency
band.
The
mo
dulation
index
is equiv
alent
to
deviation/rate.
Syn
thesizer
mo dels
without 1
GHz capabilit
y should
use
5
GHz
settings,
as
indicated
in
paren
thesis,
instead
of
1
GHz.
13. On
the syn
thesizer,
press:
4
CW
5
4
1
5
4
GHz
5
(5
GHz)
14.
On
the
sp
ectrum
analyzer, set:
Center
frequency:
Same
as
synthesizer
frequency
Frequency
Span:
1 MHz
Reference
Level:
10
dBm
Clear
all
data
from
the
display.
15.
Center
the
signal
on
the
analyzer
displa
y
.
16.
Connect
the
syn
thesized function
generator and
set
it
as
follo
ws:
Function:
Sine
wave
Frequency
(FM
Rate):
100
kHz
Amplitude:
1
mV
17.
On
the
syn
thesizer,
press:
4
MOD
5
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
FM
On/Off
100
kHz
(asterisk
on)
or,
for
syn
thesizers
with
Option
002,
press:
4
MOD
5
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
FM
Menu
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
FM
On/Off
Ext
(asterisk
on)
This
activ
ates
FM
sensitivit
y
. Use
the do
wn arro
wk
ey
to
set
FM
sensitivit
y
to
1.00
MHz/V.
18.
On the
function
generator,
set:
Amplitude
(Calculated Null
Voltage):
271
mV
rms
Use
the
4
AMPTD CAL
5
k
ey
to
do
an
amplitude
calibration. Use
the arro
wk
eys to
adjust the
amplitude
to ac
hiev
e
a
n
ull
of
the
1st
sideband
(Sideband
Nulled).
Note
The sidebands ma
y not resp
ond to increases and decreases of the FM input
voltage symmetrically
. In this case, tak
e the a
verage of the v
oltages that cause
the lo
wer sideband and upper sideband to
null. If the sidebands n
ull at more
than one v
oltage level, use the lo
wer v
oltage v
alue as the n
ull v
oltage.
19. Record the \Actual Null V
oltage" in the space pro
vided in T
able 2-30
.
20. Calculate the actual FM sensitivity using the formula:
Actual FM Sensitivity =

Calculated Null Voltage
Actual Null Voltage

(Set FM Sensitivity)
Record this value in the space provided in Table 2-30.
2-102 Performance Tests
Maximum FM Deviation
Agilent 8360

Agilent Technologies 83640B Specifications

General

Brand	Agilent Technologies
Model	83640B
Category	Portable Generator
Language	English