3 VMA Mode
3.1 Digital Demod Measurement
For this measurement, the value of n is derived by concatenating two 2-digit sub-
fields: Segment Index (SI) and Result Index (RI).
For details, see "Index Sub-Fields" on page 184.
For an overview of all available results, see "Summary of Result Types" on page 185.
In cases where results depend on Modulation Format, details have been moved to
separate tables for clarity.
3.1.1 Index Sub-Fields
The general formula for calculating the desired value of n is:
n = 100 * SI + RI
Sub-field Variable Definition
Most Significant 2 Digits
SI
Segment Index
00 Segment1
General results not specific to a segment
01 Segment2
02 Segment3
03 Segment4
04 Segment5
05 Segment6
Least Significant 2 Digits
RI
Result Index
The information returned is for the specified SI:
00 Captured IQ data
01 Metrics
02 Limit test results
03 IQ data for Search Time
04 IQ data for Time (Meas Interval)
05 Spectrum Trace
06 IQ Meas Time
07 IQ Ref Time
08 IQ Meas Spectrum
09 IQ Ref Spectrum
10 Error Vector Time
11 EVM Spectrum
12 Magnitude Error
Vector Modulation Analyzer Mode User's &Programmer's Reference 184
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