3 VMA Mode
3.1 Digital Demod Measurement
Modulation Format: MSK type 2
# Name A/P Description Unit, if any
1 Transmit Power A A floating point number of transmit power dBm
2 RMS EVM A A floating point number of EVM over the entire
measurement area
%
3 Peak EVM P A floating point number of the peak EVM in the
measurement area
%
4 Peak EVM Index P Location of the symbol that has the largest EVM
5 RMS Magnitude
Error
A A floating point number of the average magnitude
error over the entire measurement area
%
6 Peak Magnitude
Error
P A floating point number of the peak magnitude error
in the measurement area
%
7 Peak Magnitude
Error Index
P Location of the symbol that has the largest magnitude
error
8 RMS Phase
Error
A A floating point number of the average phase error
over the entire measurement area
°
9 Peak Phase
Error
P A floating point number of the peak phase error in the
measurement area
°
10 Peak Phase
Error Index
P Location of the symbol that has the largest phase
error
11 Frequency Error A A floating point number of the frequency error in the
measured signal
Hz
12 I/Q Offset A A floating point number of the I and Q error
(magnitude squared) offset from the origin
dB
13 Quad Error A A floating point number of orthogonal error between
the I and Q signals
°
14 Gain Imbalance A A floating point number of the gain ratio between the I
and Q signals
dB
15 Amplitude
Droop
A A floating point number of the change in the
magnitude of the signal over the entire measurement
dB/sym
Modulation Format: 16-APSK
# Name A/P Description Unit, if any
1 Transmit Power A A floating point number of transmit power dBm
2 RMS EVM A A floating point number of EVM over the entire
measurement area
%
3 Peak EVM P A floating point number of the peak EVM in the
measurement area
%
4 Peak EVM Index P Location of the symbol that has the largest EVM
5 RMS Magnitude A A floating point number of the average magnitude error %
Vector Modulation Analyzer Mode User's &Programmer's Reference 196