Agilent Technologies 83620A User Manual

15.
AM/FM
D
A
C
Offset
and
Gain
(Option
002)
Description
and Procedure
No test
equipment
is
required
for
this
pro
cedure.
This
pro
cedure
calibrates
the
mo
dulation
generator
assem
bly
b
y
adjusting
the
AM
and
FM D
ACs.
The
in
ternal
D
VM measures
the D
AC
output v
oltages.
The
D
A
C
oset
is
then
zero ed
with
this
adjustmen
t
pro
cedure
and
the
D
A
C
gain
is
automatically
calibrated
with
calibration
constan
ts.
1.
T
urn
the
syn
thesizer
on
and
press
4
PRESET
5
.
Let
the
syn
thesizer
w
arm
up
for
at
least
one
hour.
2.
Select
the
A8
adjustmen
t
men
u.
On
the
syn
thesizer, press:
4
SERVICE
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
Adjust
Menu
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
AssyAdj
Menu
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
A8
Adj
Menu
3.
The
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
AM
DAC
adjustmen
t
is
automatically
selected
(asterisk
on).
4. Adjust
A8R111 (see
Figure
3-27
)
to
cen
ter
the
\needle"
on
the
displa
y
.
Figure 3-27. A8R111 and A8R105 Adjustment Locations
5.
Select
NNNNNNNNNNNNNN
NNNNNN
FM DAC
(asterisk on).
6. Adjust A9R105 (see Figure 3-27
) to cen
ter the \needle" on the displa
y.
3-100 Adjustments
AM/FM DAC Offset and Gain
HP 8360
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Agilent Technologies 83620A Specifications

General

Brand	Agilent Technologies
Model	83620A
Category	Blower
Language	English