3 VMA Mode
3.9 SEM Measurement
displayed at the end of each sweep. After the specified number of average counts,
the average mode (termination control) setting determines the average action.
In the remote mode, use "Averaging On/Off" on page 1477 to turn Averaging on or
off.
Remote Command
[:SENSe]:SEMask:AVERage:COUNt <integer>
[:SENSe]:SEMask:AVERage:COUNt?
Example
:SEM:AVER:COUN 100
:SEM:AVER:COUN?
Preset 10
State Saved Saved in instrument state
Min/Max 1/10000
Continue Averaging
Designed for acquiring the trace averaging multiple sets of DUT conditions, in order
to meet requirements such as OTA measurement.
NOTE
You must be in Single sweep/measurement to use Continue Averaging. Go to
Single and press Restart to get your first set of averages, then Continue
Averaging will be available.
Use :FETCh:<meas>? to retrieve the data as it waits for completion of Continue
Averaging. *OPC? Does
not
wait for completion and returns true immediately.
Pressing this control adds a number of Averages that matches the "Avg/Hold Num"
on page 1475 to the already averaged trace or measurement. Every time you press
it, the terminal count increases to 2N, 3N and so on. You can change the DUT
position or antenna when each set of average count is reached to the terminal count
and the measurement is complete.
Since the measurement results are valid for each completed set of average
conditions, there is no need to predetermine the number of sets of DUT conditions.
Remote Command
[:SENSe]:SEMask:AVERage:CONTinue
Example
:SEM:AVER:CONT
Dependencies Enabled when you change the Sweep mode to Single, and the Average Count reaches the Average
Number. Otherwise, grayed-out
SEM Terminal Count (Remote Query Only)
Returns the terminal count that shows the target average number after Continue
Averaging is pressed. Every time you press Continue Averaging, the terminal count
Vector Modulation Analyzer Mode User's &Programmer's Reference 1476
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