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35.
Record
the
v
alue
of
calibration
constan
t
#241,
YTM
Oset;
Band
4
.
Step
do
wn
the
calibration
constan
t
in
100
coun
t
steps
and
v
erify
that
the
en
tire
trace
shifts
do
wn
ev
enly
.
If
the
p o
w
er
c
hange
is
not
uniform,
rep eat
steps
26
through
34.
Change
calibration
constan
t
#241
bac
k
to
its
original
v
alue.
Band
5
Adjustment
(HP
83640A/50A
only).
36.
On
the
syn
thesizer,
press:
4
ST
ART
5
4
26.5
5
4
GHz
5
4
STOP
5
4
33.4
5
4
GHz
5
37.
Adjust
calibration
constan
t
#229,
YTM
Gain;
Band
5,
for
maximum
p o
w
er
at
the
high
end
of
band
5.
The
high
end
p o
w
er
may
p eak
twice.
If
it
do es,
adjust
the
calibration
constan
t
to
the
low
er
p eak
(where
the
v
alue
of
the
calibration
constan
t
is
the
low
er
n
um
b er).
38.
Mo
dify
calibration
constan
t
#242,
YTM
Oset;
Band
5,
to
maximize
low
end
p o
w
er.
P
o
w
er
may
p eak
twice.
Adjust
to
the
low
er
p eak.
39.
Set
the
band
5
SRD
bias
calibration
constan
ts
as
follo ws:
a.
Incremen
t
calibration
constan
t
#109,
SRD
Bias
A;
Band
5,
to
maximize
low
end
p o
w
er.
Then
decrease
the
calibration
constan
t
v
alue
b
y
15
coun
ts.
b.
Incremen
t
calibration
constan
t
#122,
SRD
Bias
B;
Band
5,
to
maximize
high
end
p o
w
er.
Then
decrease
the
p o
w
er
b
y
one
third
division
( 1/2
dB).
40.
Rep
eat
steps
37
through
39
un
til
p o
w
er
is
optimized
o
v
er
the
full
band.
41.
Record
the
v
alue
of
calibration
constan
t
#242,
YTM
Oset;
Band
5
.
Step
do
wn
the
calibration
constan
t
in
100
coun
t
steps
and
v
erify
that
the
en
tire
trace
shifts
do
wn
ev
enly
.
If
the
p o
w
er
c
hange
is
not
uniform,
rep eat
steps
37
through
40.
Change
calibration
constan
t
#242
bac
k
to
its
original
v
alue.
Band
6
Adjustment
(HP
83640A/50A
only).
42.
On
the
syn
thesizer,
press:
4
ST
ART
5
4
33.4
5
4
GHz
5
4
STOP
5
4
38
5
4
GHz
5
(HP
83650A)
4
STOP
5
4
40
5
4
GHz
5
(HP
83640A)
3-44
Adjustments
Amplifier/Multiplier
Adjustments
HP
8360
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Summary of Contents for 83620A
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