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AMPTD Y Scale
Y Axis Unit
Displays the menu keys that enable you to change the vertical (Y) axis amplitude unit. The analyzer
retains the entered Y Axis Unit separately for both Log and Lin amplitude scale types. For example, if
Scale Type has been set to Log, and you set Y Axis Unit to dBm, pressing Scale Type (Log) sets the Y
Axis Unit to dBm. If Scale Type has been set to Lin and you set Y Axis Unit to V, pressing Scale Type
(Lin) sets the Y Axis Unit to V. Pressing Scale Type (Log) again sets the Y axis unit back to dBm.
NOTE The units of current (A, dBmA, dBuA) are calculated based on 50 ohms input
impedance.
All four of the EMI units (dBμA/m, dBμV/m, dBG, dBpT) are treated by the
instrument exactly as though they were dBuV. The user must load an appropriate
correction factor using Amplitude Corrections for accurate and meaningful results.
If a SCPI command is sent to the analyzer that uses one of the EMI units as a
terminator, the analyzer treats it as though DBUV had been sent as the terminator.
Remote Command: [:SENSe]:POWer[:RF]:PADJust:PRESelector
MWAVe|MMWave|EXTernal
[:SENSe]:POWer[:RF]:PADJust:PRESelector?
Notes: PSA had multiple preselectors, and you could select which preselector to
adjust. Since the X-Series has only one mm/uW preselector, the preselector
selection softkey is no longer available. However, to provide backward
compatibility, we accept the legacy remote commands.
The command form has no effect, the query always returns MWAVe
Initial S/W Revision: Prior to A.02.00
Key Path:
AMPTD Y Scale
Mode: SA
Scope: Meas Global
Remote Command: :UNIT:POWer
DBM|DBMV|DBMA|V|W|A|DBUV|DBUA|DBPW|DBUVM|DBUAM|DBPT|DBG
:UNIT:POWer?
Example: UNIT:POW dBmV
UNIT:POW?