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Spirent KB Article
Doc ID: FAQ13845
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GNSS Positioning Simulator: At which point during an STR47xx power calibration is the DACS value actually stored?
Environment/Versions
STR4730 / 4750 / 4760 / 4780 / 4790
Answer
DCS0002C
section 3.5 defines the STR4760 power calibration procedure.
At step (c) of this procedure, each time you send a DACS command, the new DAC information is stored directly
If you turned the channel off and back on again it would use the last DACS value you sent
You only program the DACS value for the first channel in each bank
An automated utility called "DACT Utility" is then used to program the DACS value for all other channels
So DACS values are only stored for all channels after this utility has been run
Version
2.0
Publish Date
2014-07-29
Categories
Product : Calibration,STR4790,STR4780,STR4760,STR4750,STR4730
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