IQ Signal Master™ MX280005A Vector Signal Analysis Software Help : Measurement Ranges and Settings : Introduction : Residual EVM
 
Residual EVM
The Residual EVM specifications are listed in Table: Residual EVM.
Residual EVM
Modulation/Frequency Measurement
Measurement Level Range
After CAL performed at 18 to 28°Cwhen: Filter Type: Root Nyquist or Nyquist
The signal measured is within the measurement level range and less than or equal to Input Level and Average = 20 times.
Residual EVM
Condition
Residual EVM
(BPSK, QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 128QAM, 256QAM)
 
Symbol rate: 4 to 500 ksps,
Measurement time length: 50 ms or lower,
Carrier Frequency: 50 to 500 MHz
<0.5% (rms)
Symbol rate: 500 ksps to 5 Msps,
Carrier Frequency: 50 MHz to 3.5 GHz
<1.0% (RMS)
Symbol rate: 5 to 50 Msps,
Carrier Frequency: 800 MHz to 3.5 GHz
<1.0% (RMS)
(π/4DQPSK)
Symbol rate: 4 to 500 ksps,
Measurement time length: 50 ms or lower,
Carrier Frequency: 50 to 500 MHz
<0.5% (RMS)
Symbol rate: 500 ksps to 5 Msps,
Carrier Frequency: 50 MHz to 3.5 GHz
<1.0% (RMS)
Symbol rate: 5 to 50 Msps,
Carrier Frequency: 800 MHz to 3.5 GHz
<1.0% (RMS)
MSK
Symbol rate: 4 to 500 ksps,
Measurement time length: 50 ms or lower,
Carrier Frequency: 50 to 500 MHz
<0.5% (RMS)
Symbol rate: 500 ksps to 5 Msps,
Carrier Frequency: 50 MHz to 3.5 GHz
<1.0% (RMS)
Symbol rate: 5 to 50 Msps,
Carrier Frequency: 800 MHz to 3.5 GHz
<1.0% (RMS)
512QAM, 1024QAM,
2048QAM,)
Symbol rate: 500 ksps to 5 Msps,
Carrier Frequency: 50 MHz to 3.5 GHz
<1.0% (RMS)
Symbol rate: 5 to 50 Msps,
Carrier Frequency: 800 MHz to 3.5 GHz
(In the condition “Equalizer = On”)
<1.0% (RMS)
16APSK, 32APSK)
Symbol rate: 500 ksps to 5 Msps,
Carrier Frequency: 50 MHz to 3.5 GHz
<1.0% (RMS)
Symbol rate: 5 to 50 Msps,
Carrier Frequency: 800 MHz to 3.5 GHz
<1.0% (RMS)