Keysight NFA Series - Page 113

Chapter 3 93
Technical Specifications
Noise Figure and Gain
N8974A, N8975A (< 3.0 GHz) Noise Source ENR
4 - 7 dB 12 - 17 dB 20 - 22 dB
Noise Figure Measurement Range
Instrument Uncertainty
0 to 20 dB
± < 0.05 dB
0 to 30 dB
± < 0.05 dB
0 to 35 dB
± < 0.15 dB
Gain Measurement Range -20 to +40 dB
Instrument Uncertainty
a
± < 0.17 dB
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 Source ENR
4 - 7 dB 12 - 17 dB 20 - 22 dB
Noise Figure Measurement Range
Instrument Uncertainty
0 to 20 dB
± < 0.15 dB
0 to 30 dB
± < 0.15 dB
0 to 35 dB
± < 0.2 dB
Gain Measurement Range -20 to +40 dB
Instrument Uncertainty
a
± < 0.17 dB
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.