Carrier type
Continuous, Burst (5 μs minimum on-time)
Modulation formats
BPSK, QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 128QAM, 256QAM, π/2DBPSK, DQPSK, π/4DQPSK, D8PSK, D16PSK, SBPSK, OQPSK, SOQPSK, 16-APSK, 32-APSK, MSK, GFSK, CPM, 2FSK, 4FSK, 8FSK, 16FSK, C4FM
Analysis period
Up to 164,840 samples
Measurement filter
Root Raised Cosine, Raised Cosine, Gaussian, Rectangular, IS-95 Base EQ, User, None
Reference Filter
Gaussian, Raised Cosine, Rectangular, IS-95 baseband, User, None
Filter rolloff factor
α:0.001 to 1, in 0.001 steps
Measurement functions
Constellation, Error Vector Magnitude (EVM) vs. Time, Symbol Table
Vector diagram display format
Symbol/locus display, Frequency Error measurement, Origin Offset measurement
Constellation diagram display format
Symbol display, Frequency Error measurement, Origin Offset measurement
Error vector diagram display format
EVM, Magnitude Error, Phase Error, Waveform Quality (ρ) measurement, Frequency Error measurement, Origin Offset measurement
Symbol table display format
Binary, hexadecimal
QPSK Residual EVM (center frequency = 2 GHz), typical mean
0.35 % (100 kHz symbol rate)
0.35 % (1 MHz symbol rate)
0.35 % (10 MHz symbol rate)
0.75 % (30 MHz symbol rate)
0.75 % (60 MHz symbol rate)
1.5 % (120 MHz symbol rate)
2.0 % (240 MHz symbol rate)
400 symbols measurement length, 20 Averages, normalization reference = maximum symbol magnitude
256 QAM Residual EVM (center frequency = 2 GHz), typical mean
0.4 % (10 MHz symbol rate)
0.6 % (30 MHz symbol rate)
0.6 % (60 MHz symbol rate)
1.0 % (120 MHz symbol rate)
1.5 % (240 MHz symbol rate)
400 symbols measurement length, 20 Averages, normalization reference = maximum symbol magnitude
OQPSK Residual EVM (center frequency = 2 GHz), typical mean
0.6% (100 kHz symbol rate, 200 kHz measurement bandwidth)
0.6% (1 MHz symbol rate, 2 MHz measurement bandwidth)
1.0% (10 MHz symbol rate, 20 MHz measurement bandwidth)
Reference filter: raised-cosine, Measurement filter: root raised cosine, Filter parameter: Alpha = 0.3
SOQPSK (MIL) Residual EVM (center frequency = 250 MHz), typical mean
0.4% (4 kHz symbol rate, 64 kHz measurement bandwidth)
Reference filter: MIL STD, Measurement filter: none
SOQPSK (MIL) Residual EVM (center frequency = 2 GHz), typical mean
0.5% (20 kHz symbol rate, 320 kHz measurement bandwidth)
0.5% (100 kHz symbol rate, 1.6 MHz measurement bandwidth)
0.5% (1 MHz symbol rate, 16 MHz measurement bandwidth)
Reference filter: MIL STD, Measurement filter: none
SOQPSK (ARTM) Residual EVM (center frequency = 250 MHz), typical mean
0.3% (4 kHz symbol rate, 64 kHz measurement bandwidth)
Reference filter: ARTM STD, Measurement filter: none
SOQPSK (ARTM) Residual EVM (center frequency = 2 GHz), typical mean
0.5% (20 kHz symbol rate, 320 kHz measurement bandwidth)
0.5% (100 kHz symbol rate, 1.6 MHz measurement bandwidth)
0.5% (1 MHz symbol rate, 16 MHz measurement bandwidth)
Reference filter: ATRM STD, Measurement filter: none
SBPSK (MIL) Residual EVM (center frequency = 250 MHz), typical mean
0.3% (4 kHz symbol rate, 64 kHz measurement bandwidth)
Reference filter: MIL STD, Measurement filter: none
SBPSK (MIL) Residual EVM (center frequency = 2 GHz), typical mean
0.5% (20 kHz symbol rate, 320 kHz measurement bandwidth)
0.5% (100 kHz symbol rate, 1.6 MHz measurement bandwidth)
0.5% (1 MHz symbol rate, 16 MHz measurement bandwidth)
Reference filter: MIL STD, Measurement filter: none
CPM (MIL) Residual EVM (center frequency = 250 MHz), typical mean
0.3% (4 kHz symbol rate, 64 kHz measurement bandwidth)
Reference filter: MIL STD, Measurement filter: none
CPM (MIL) Residual EVM (center frequency = 2 GHz), typical mean
0.5% (20 kHz symbol rate, 320 kHz measurement bandwidth)
0.5% (100 kHz symbol rate, 1.6 MHz measurement bandwidth)
0.5% (1 MHz symbol rate, 16 MHz measurement bandwidth)
Reference filter: MIL STD, Measurement filter: none
2/4/8/16FSK Residual RMS FSK Error (center frequency = 2 GHz), typical mean
0.5% (2/4FSK, 10 kHz symbol rate, 10 kHz frequency deviation)
0.4% (8/16FSK, 10 kHz symbol rate, 10 kHz frequency deviation)
Reference filter: none, Measurement filter: none