Power
Level
and
Sweep
Time
Operation
Power Level Operation
The swept CW 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 CW
generators) to -l-25
dBm.
For practice: Press [POWER LEVEL] I-)
@
@
m.
The active entry
area shows:
-->
POWER LEVEL: -20.00
dBm
If the selected power level is beyond the range of the swept CW
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 CW 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)
@
IGHz).
Press (STOP)
@
(GHz).
Press
lsWEEP
(Y?J
0
@
(,,,I.
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 CW generator must be in automatic sweep
time selection.
Refer to menu map 7, SWEEP.
Press SWEEP
I=).
Select more
l/3.
Select
SwpTime
Auto .
Notice that the active entry area indicates:
-->
SWEEP TIME:
100.0
mSec
AUTO
When the swept CW 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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