3 VMA Mode
3.1 Digital Demod Measurement
# Name A/P Description Unit, if any
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
16 95% EVM A A floating point number of the EVM below which 95%
of the individual symbol EVM occurs
%
Modulation Format: CPM (FM)
# Name A/P Description Unit, if any
1 Transmit Power A A floating point number of transmit power dBm
2 RMS FSK Error A A floating point number of the RMS average of the FSK
error at all symbol locations
%
3 Peak FSK Error P A floating point number of the largest FSK error at all
symbol locations
%
4 Peak FSK Error
Index
P Location of the symbol that has the largest FSK error
5 RMS FSK Mag
Error
A A floating point number of the carrier magnitude error
over all symbols
%
6 Peak FSK Mag
Error
P A floating point number of the peak carrier magnitude
error in all symbols
%
7 Peak FSK Mag
Error Index
P Location of the symbol that has the largest carrier
magnitude error
8 Carrier
Frequency
Offset
A A floating point number of the carrier frequency error
relative to the instrument's center frequency
Hz
9 Deviation A A floating point number of the average deviation of all
symbols in the measurement area
Hz
10 Deviation Offset - a floating point number of the deviation offset %
11 H1 - a floating point number of the CPM modulation index H1
12 H2 - a floating point number of the CPM modulation index H2
Modulation Formats: 2-ASK
# Name A/P Description Unit (if
any)
1 Transmit Power A Transmit power
Floating point number
dBm
199 Vector Modulation Analyzer Mode User's &Programmer's Reference
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