Agilent Technologies 83650B Service Guide

5.
YO Driv
er Gain
and
Linearity
Description
and Procedure
No test
equipment
is required
for these
adjustments.
F
or the
gain adjustmen
t, the
syn
thesizer's
in
ternal
D
VM
monitors
the
YO
lo
op
error
v
oltage
at
t
w
o
frequencies
(p
oin
ts
B
and
C
in Figure
3-8).
When y
ou select
the
gain
p
oten
tiometer
adjustmen
t,
the syn
thesizer displa
ys the
dierence in
v
oltage
b
et
w
een
p
oin
ts
B
and
C
as
a
\needle"
with
arro
ws
on
either
side.
By
adjusting
A13R54
to
cen
ter
the
\needle",
y
ou
equalize
the
v
oltage
b
et
w
een
the
t
wo
frequency p
oints.
The
linearit
y
adjustmen
t
has
t
w
o
parts
(each
of whic
his
selected
and
adjusted
similarly
to
the
gain
adjustment).
The lo
w break
p
oin
t
adjustmen
t
equalizes
the
v
oltage
b
et
w
een
p
oin
ts
A
and
B
in
Figure
3-8
.
The
high
break
p
oin
t
adjustmen
t
equalizes
the
v
oltage
bet
ween
poin
ts
C
and
D.
Note
Y
ou
m
ust
adjust
the
gain
rst;
then
adjust
the
break
p
oin
ts.
Figure
3-8.
YO
Gain and
Linearity Break
Points
1.
T
urn
the
syn
thesizer
on
and
press 4
PRESET
5
.
Let
it
w
arm
up
for
at least
one hour.
2.
Select
the
A13
gain
men
u.
Press:
4
SERVICE
5
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
Adjust
Menu
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
N
N
N
AssyAdj
Menu
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
N
N
N
A13
Adj
Menu
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
A13
Gain
Menu
Note
If the follo
wing message is displa
yed: Adjust A13 pot until "locked".
,
adjust the poten
tiometer un
til the
lo c
ked indication is displa
yed. Con
tinue
with step 3.
3. Select the gain poten
tiometer adjustmen
t,
NNNNNNNNNN
NNNNNNNNNNNNNNNN
Gain Pot
.
4. Adjust A13R54 (see Figure 3-9) to center the \needle" on the display.
Agilent 8360 Adjustments
YO Driver Gain and Linearity
3-15

Agilent Technologies 83650B Specifications

General

Brand	Agilent Technologies
Model	83650B
Category	Portable Generator
Language	English