Keysight NFA Series - Noise Figure and Gain

92 Chapter 3
Technical Specifications
Noise Figure and Gain
Noise Figure and Gain
Performance is dependent on the ENR
1
of the noise source used:
1. Excess Noise Ratio
N8972A Noise Source ENR
4 - 7 dB 12 - 17 dB 20 - 22 dB
Noise Figure Measurement Range
Instrument Uncertainty
0 to 20 dB
± < 0.1 dB
0 to 30 dB
± < 0.1 dB
0 to 35 dB
± < 0.15 dB
Gain Measurement Range -20 to +40 dB
Instrument Uncertainty ± < 0.17 dB
N8973A 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
± < 0.1 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.