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Manual Sweep
resolution dened by the
4
(
5
and
4
)
5
keys. Frequencies in the
manual sweep mo de are synthesized, just as they are in CW mo de.
There are two ma jor dierences between manual sweep and a sweep
generated by activating the CW function and rotating the rotary
knob or pressing the ARROWkeys.
1. The sweep output voltage ramp is 0 to +10 V in both mo des,
but in CW mo de, 0 V corresp onds to lowest frequency of the
swept signal generator frequency range and +10 V corresponds
to the highest frequency of the range. In manual sweep mo de,
0 V corresp onds to the start frequency
specied
and +10 V
corresp onds to the stop frequency
specied
. In b oth cases, the
sweep voltage at intermediate frequencies is a linear interpolation
of the frequency span. For example, a frequency half-waybetween
the start/stop limits has a sweep voltage of 5 V.
2. The bandcross points in CW mo de o ccur at 2.0, 7, 13.5, 20, 25.5,
and 32 GHz.
In manual sweep mo de the bandcrossing points have 200 MHz of
exibility, that is automatically used by the swept signal generator
for optimum p erformance. For example, a 2.0 to 7.1 GHz sweep
could be accomplished without any band changes in manual sweep
mo de.
Programming Codes
SCPI:
SWEep:MODE MANual
j
AUTO
This is the command for frequency manual sweep.
POWer:MODE SWEep
POWer:SPAN
<
num
>
[lvl sux]
j
MAXimum
j
MINimum
This is the command for power manual sweep.
LIST:MODE MANual
This is the command for manual list sweep.
Analyzer:
S3
See Also
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Power Sweep
,
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Sweep Mode List
\Continuous, Single, and Manual Sweep Operation" in Chapter 1
M-2 Operating and Programming Reference