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    Frequency range 200 MHz to 4.4 GHz
    Frequency resolution 1,000 kHz
    Output power
    <2.4 GHz 0 dBm ± 3 dB, nominal
    ≥2.4 GHz -3 dBm ± 3 dB, nominal
    Output impedance 50 Ω, nominal
    Output VSWR 1.78:1
    Amplitude settling time <0.25 dB in <10 ms, typical
    Maximum DC voltage ±0.5 VDC
    Figure 1. LO Output Power
    Note  

    For frequencies above 2.8 GHz, the gain is <0 dB. The NI 5791 can daisy chain up to eight channels of adapter modules below 2.8 GHz without external amplification. For frequencies above 2.8 GHz, NI recommends using external LO distribution amplifiers if more than two adapter modules share LOs.