Keysight NFA Series Performance Verification And Calibration Manual page 113

N8974A, N8975A (< 3.0 GHz)
Noise Figure Measurement Range
Instrument Uncertainty
Gain Measurement Range
Instrument Uncertainty
a. For measurement bandwidths below 4 MHz, and spacing between measurement points below
3 MHz, gain uncertainty may increase to a maximum of ±0.7 dB.
N8974A, N8975A (> 3.0 - 26.5 GHz)
Noise Figure Measurement Range
Instrument Uncertainty
Gain Measurement Range
Instrument Uncertainty
a. For measurement bandwidths below 4 MHz, and spacing between measurement points below
3 MHz, gain uncertainty may increase to a maximum of ±0.7 dB.
Chapter 3
Noise Source ENR
4 - 7 dB
0 to 20 dB
± < 0.05 dB
-20 to +40 dB
a ± < 0.17 dB
Noise Source ENR
4 - 7 dB
0 to 20 dB
± < 0.15 dB
-20 to +40 dB
a ± < 0.17 dB
Technical Specifications
Noise Figure and Gain
12 - 17 dB 20 - 22 dB
0 to 30 dB 0 to 35 dB
± < 0.05 dB ± < 0.15 dB
12 - 17 dB 20 - 22 dB
0 to 30 dB 0 to 35 dB
± < 0.15 dB ± < 0.2 dB
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