6.
If
necessary
,
turn
o
un
w
an
ted
mo
dulation:
LOG
AM,
or
PULSE
MODULA
TION
b
y
selecting
eac
h
function
softkey
so
that
O
is
underscored.
Whether
LOG
AM
and
PULSE
are
on
or
o
is
indicated
b
y
underscoring
On
or
O
in
the
softkey
.
The
display
also
indicates
whic
h
mo
dulation
t
yp es
are
enabled
or
disabled.
7.
Set
the
desired
carrier
frequency
.
F
or
example,
p erform
the
follo wing
pro cedure
to
set
the
carrier
frequency
to
12.5
GHz.
a.
Select
the
NNNNNNNNNNNNNN
Freq
men
u
in
order
to
automatically
select
the
NNNNNNNNNNNNNNNNNNNNNNN
CW
FREQ
function.
b.
T
yp e
4
1
5
4
2
5
4
.
5
4
5
5
on
the
display
n
umeric
k
eypad.
c.
T
erminate
the
carrier
frequency
en
try
b
y
pressing
the
NNNNNNNNNNN
GHz
softkey
.
The
display
no
w
indicates:
Frequency
12.500000000GHz
8.
Set
the
desired
RF
output
amplitude.
F
or
example,
p erform
the
follo wing
pro cedure
to
set
the
output
amplitude
to
05
dBm:
a.
Select
the
NNNNNNNNNNNNNNNNN
Amptd
men
u
in
order
to
automatically
select
the
NNNNNNNNNNNNNNNNN
AMPTD
function.
b.
T
yp e
4
0
5
4
5
5
on
the
display
n
umeric
k
eypad.
c.
T
erminate
the
amplitude
en
try
b
y
pressing
the
NNNNNNNNNNN
dBm
softkey
.
The
display
no
w
indicates:
Amplitude
05.00dBm
9.
Set
the
mo
dulating
signal
source
to
the
desired
FM
c
haracteristics.
10.
If
the
RF
Output
is
o,
turn
it
on
b
y
pressing
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AMPTD
On
Off
so
that
On
is
underscored.
When
the
RF
output
is
on,
the
display
indicates
RF
ON .
Programming
Example
In
the
follo
wing
example,
an
in
ternally
lev
eled,
A
C
coupled
FM
signal
will
b e
generated
at
a
carrier
frequency
of
12.5
GHz
with
a
p o
w
er
lev
el
of
05
dBm.
In
order
to
accomplish
this,
connect
the
equipmen
t
as
sho
wn
in
Figure
3-1 ,
set
the
mo
dulating
signal
source
for
the
desired
FM
c
haracteristics,
and
then
run
the
follo wing
program.
10
OUTPUT
719;
"*RST"
Sets
the
instrument
to
pr
eset
state.
20
OUTPUT
719;
"FM:COUP
AC"
Sets
FM
c
oupling
to
A
C.
30
OUTPUT
719;
"FM:STAT
ON"
T
urns
fr
e
quency
mo
dulation
on.
40
OUTPUT
719;
"POW:ALC:SOUR
INT"
Enables
internal
leveling.
50
OUTPUT
719;
"FREQ
12.5GHZ"
Sets
the
c
arrier
fr
e
quency
to
12.5
GHz.
60
OUTPUT
719;
"POW:LEV
05DBM"
Sets
the
output
amplitude
to
05
dBm.
70
OUTPUT
719;
"OUTP:STAT
ON"
T
urns
the
RF
output
on.
80
END
Generating
Signals
3-5
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Summary of Contents for 70340A
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