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Fltness Menu
The softkeys in this menu help front panel users enter and edit
atness correction parameters. These editing softkeys are not
accessible over GPIB.
To load correction arrays over GPIB, the correction arrays must be
created in the controlling program and then downloaded to the swept
signal generator. The corresp onding SCPI array creation and control
commands are given after the description of this feature.
The 8360 B-Series swept signal generator provide extremely at
power to a test p ort, for testing power sensitive devices suchas
ampliers, mixers, dio des or detectors. The user atness correction
feature of the swept signal generator comp ensates for attenuation and
power variations created by components between the source and the
test device.
User atness correction allows the digital correction of up to 801
frequency p oints (1601 points via GPIB), in any frequency or sweep
mo de (i.e. start/stop, CW, power sweep etc.). Using a p ower meter
to calibrate the measurement system as shown in Figure F-1 , a table
of p ower level corrections is created for the frequencies where p o
wer
level variations or losses o ccur (see Figure F-2). These frequencies
may be sequential linear steps or arbitrarily spaced. To allow for the
correction of multiple test setups or frequency ranges, you maysave
as many as eight dierent measurement setups (including correction
tables) in the internal storage registers of the swept signal generator.
Figure F-1. Basic User Flatness Configuration Using an HP/Agilent 437B Power Meter
F-6 Operating and Programming Reference
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