Power Level and
Sweep Time
Operation
Power Level Operation
The swept signal generator can produce leveled power for CW,
swept frequency, or power sweep operation. The selected power level
can range from -20
dBm
(-110
dBm
for option 001 swept signal
generators) to
+25
dBm.
For practice: Press (POWER LEVEL) I-)
@
@J
0).
The active entry
area shows:
-->
POWER LEVEL: -20 .OO
dBm
If the selected power level is beyond the range of the swept signal
generator, the closest possible power is shown in both the data
display area and the active entry area. If the selected power level
exceeds the maximum leveled power the swept signal generator is
able to produce, the unleveled message UNLVLED appears on the
message line. Experiment with the rotary knob and the arrow keys
as alternate methods of data entry.
Sweep Time Operation
In typical applications the sweep time can vary tremendously, from
milliseconds in a network analyzer system, to more than a minute in
thermistor-based power meter systems.
Press (START)
(JiJ
(GHz).
Press (STOP)
@
(GHz.
Press (SWEEP
mm)
@
0
@
(,,,.
Watch the green SWEEP LED, it blinks every 2.5 seconds. The LED
blinks at each retrace.
For the fastest sweep speed for which all specifications are
guaranteed, the swept signal generator must be in automatic sweep
time selection.
Refer to menu map 7.
Press SWEEP
(MENU].
Select more
l/3.
Select
SwpTime
Auto .
Notice that the active entry area indicates:
-->
SWEEP TIME:
100.0
mSec
AUTO
When the swept signal generator‘is in automatic sweep time
selection, the active entry area displays AUTO along with the current
sweep time. Faster sweep speeds than this are possible, turn the
rotary knob counter-clockwise until the display no longer changes.
Notice that AUTO is no longer displayed.
l-10
Getting Started Basic
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