Fluke 9640A Series, Instruction Manual

Page: 104 / 324

9640A
Instruction Manual
3-56
Defining a Swept-Frequency Output Signal
Table 3-20 shows the
Sweep Frequency
screen for creating swept-frequency signals.
Use the following procedure to define a swept-frequency output signal:
1.
Set the
Sweep Preferences
as described in the previous procedure.
2. Press

to bring up the
Sweep Frequency
screen.
3. Select the
Start
field, and enter the desired start frequency.
4. Select the
Stop
field, and enter the desired stop frequency.
5. Select the
Level
field.
6. Enter the desired level in the
Level
field.
7. Select the
Linear Step
field.
8. Enter the desired level in the
Linear Step
field.
9. Select the
Step Dwell
field and enter the desired step dwell time (.02 s to 10 s).
Note
Sweep duration is calculated and displayed in the Duration field.
10. To start the sweep, press the
Sweep Start
soft key at the bottom of the display. The
progress bar displays the completion state of the sweep in the unit of measure defined
in the
Sweep Preferences
screen.
To stop or pause the sweep, press the
Sweep Stop
or
Sweep Pause
soft key,
respectively. To restart a paused sweep, press the
Sweep Continue
soft key.
Sweep
Stop
resets to the beginning of
Sweep
and waits for another press of the
Sweep
Start
soft key.
11. To make the sweep output signal available as an RF Output signal, press

.
Note
At any time before or during a sweep, pressing the
Manual Sweep
soft key
will highlight the progress bar as the focus field. This will allow the user to
manually control the sweep position using either the scroll wheel or the
left-right cursor keys. The current automatic sweep will be paused at first
touch of either control. Press the
Sweep Continue
soft key to continue the
sweep from the current progress position. (
Manual Sweep
will advance
irrespective of the Start Sweep or Trigger Status.)