Power Level and
Sweep Time
Operation
Power Level Operation
The swept signal generator can pro duce leveled power for CW,
swept frequency,orpower sweep op eration. The selected p ower level
can range from -20 dBm (-110 dBm for option 001 swept signal
generators) to +25 dBm.
For practice: Press
4
POWER LEVEL
54
0
54
2
54
0
54
dB(m)
5
. The active entry
area shows:
--> POWER LEVEL:
0
20.00 dBm
If the selected p ower level is beyond the range of the swept signal
generator, the closest possible p ower is shown in both the data
display area and the active entry area. If the selected p ower level
exceeds the maximum leveled power the swept signal generator is
able to pro duce, the unleveled message
UNLVLED
appears on the
message line. Exp eriment with the rotary knob and the arrow k
eys
as alternate metho ds 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
4
START
54
4
54
GHz
5
.
Press
4
STOP
54
6
54
GHz
5
.
Press
4
SWEEP TIME
54
2
54
.
54
5
54
sec
5
.
Watch the green SWEEP LED, it blinks every 2.5 seconds. The LED
blinks at each retrace.
For the fastest sweep sp eed for which all specications are
guaranteed, the swept signal generator must be in automatic sweep
time selection.
Refer to menu map 7.
Press SWEEP
4
MENU
5
.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNN
more 1/3
.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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 sp eeds than this are possible, turn the
rotary knob counter-clo ckwise until the display no longer changes.
Notice that
AUTO
is no longer displayed.
1-10 Getting Started Basic
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