Agilent Technologies 83620A User Manual

2.
Fractional-N
V
CO
Description
and Procedure
No test
equipment
is
required
for
this
pro
cedure.
This
adjustment
sets
the
V
CO
tuning
v
oltage
to
0
6.0
V
for
a
V
CO
output
of
60
MHz.
1.
Lea
ving
all
cables connected,
place the
A4 fractional-N
assem
bly
on
an
analog
extender
board.
2.
T
urn
the
syn
thesizer
on
and
press
4
PRESET
5
.
Let
the
instrumen
t
w
arm
up
for
at
least one
hour.
3.
Select
the
A4
V
CO
tune adjustmen
t. On
the
syn
thesizer,
press:
4
SERVICE
5
N
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
N
Adjust
Menu
N
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
N
N
N
N
AssyAdj
Menu
N
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
N
A4
VCO
Tune
4.
Using a
non-metallic
to
ol,
adjust
A4L1
(see
Figure
3-4
)
to
cen
ter
the
needle
on
the
displa
y
.
Figure 3-4. A4L1 Location
5. T
urn the syn
thesizer to standb
y, and reinstall the A4 assem
bly.
HP 8360 Adjustments
Fractional-N VCO
3-11
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Agilent Technologies 83620A Specifications

General

Brand	Agilent Technologies
Model	83620A
Category	Blower
Language	English