Residual EVM

The Residual EVM specifications are listed in Table: 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) |