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Wavetek 3000 - Page 225

Wavetek 3000
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Replace
the
table shown
with
the
following
table
:
MANUAL
CHANGES
-
MODEL
3000 (Cont'd)
Section
4
.5,
OUTPUTLEVELACCURACY
TESTS
:
Change
the
third
paragraph
of
the
METHOD
flatness
is
measured
in 10
MHz
steps
between
+3,
and
-7
dBmoutput
levels
."
Section
4
.5
.2,
FLATNESSTEST
:
Make
the
following
changes
in
Steps
1, 4, 5,
section
:
Step
1
.
Delete
the
line
:
"FREQUENCYselector
050
.000
MHz"
Step
7
.
Change
the
first
sentence
to
read
:
"Set
the
OUTPUT
step
attenuator
to 0
dBm
."
section
to
read
"The
10
and
520
MHz
at +12,
Step
5
.
Change
to
read
:
"Set
the
OUTPUT
VERNIER
for
a
+3
dBmpower
meter
reading
."
Change
the
last
paragraph
in
the
METHODsection
as
follows
:
The third
sentence
in
the
paragraph
must read "The
two
35
dB
pads
aremeasured
in
combinationwith
other
pads
."
and
7
of
the
PROCEDURE
Step
4
.
Replace
the
paragraph
with
the
following
:
Set the
Signal
Generator
Frequencyselector
to
read
10
MHz
and
step
in 10
MHz
steps
between
10
and 520
MHz
.
Observe
the
change
in
power
meter
readings
.
The
total
deviation
shall
be not greater
than
1
.5
dB
overall
.
Record
the
maximum
change
to
the
nearest
.05
dB
(1/4
division)
on line
9
of
the
PTR
.
OUTPUT
STEP
ATTENUATOR
POSITION
dBm
+10
I
1
10
I
(ACTIVE
dB
STEP
20
I
dB
ATTENUATOR
1
30
I
dB
PADS
1
35
I
(%)
dB
1
35
I
dB
0
I I
I
-
10
I
x
I
I
-
20
I I
x
I
-30
I I
I
x
-40
I
x
I
I
x
-50
I I
x
I
x
-
60
I
x
I
x
I
x
-
70
I I I
I
x
I
x
-
80
I
x
I I I
x
I
x
-
90
I I
x
I I
x
I
x
-100
I I I
x
I
x
I
x
-110
I
x
I I
x
I
x
I
x
-120
I I
x
I
x
I
x
I
x
-130
I
x
I
x
I
x
I
x
I
x

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