Keysight NFA Series Noise Figure Analyzers Service Guide 27
Overview
Service Equipment You Will Need
RF Power Sensor
(2 required)
Frequency Range: 100 kHz to 3.6 GHz
Amplitude Range: −30 to +20 dBm
Zero Set: ± 50 nW
Zero Drift: < ± 10 nW
Measurement Noise: < 110 nW
VSWR
100 kHz to 1 MHz: ≤ 1.20:1
1 MHz to 2 GHz: ≤ 1.10:1
2 GHz to 3 GHz: ≤ 1.30:1
Cal Factor Uncertainty (std): < 1.6%
Option H84 Cal Factor: Characterized by
standards lab to: ± 0.6%
d
Input Connector: Type-N (m)
N8482A
N8482A CFT
e
8482A Option
H84
8482A
e
(Non-H84
sensors will
increase
measurement
uncertainty)
A, P
Microwave Power Sensor
(2 required)
Frequency Range: 50 MHz to 26.5 GHz
Amplitude Range: −30 to +20 dB
Zero Set: ± 50 nW
Zero Drift: < ± 10 nW
Measurement Noise: < 110 nW
Cal Factor Uncertainty: < 3.0%
VSWR: 50 MHz to 100 MHz: 1.15:1
100 MHz to 2 GHz: 1.10:1
2 GHz to 12.4 GHz: 1.15:1
12.4 GHz to 18 GHz: 1.20:1
18 GHz to 26.5 GHz: 1.25:1
Input Connector: 3.5 mm (m)
N8485A
e
N8485A CFT
e
8485A
e
A, P
Millimeter Power Sensor
(for N8976B)
Frequency Range: 50 MHz to 50 GHz
Amplitude Range: −30 to +20 dBm
Zero Set: ± 50 nW
Zero Drift: < ± 10 nW
Measurement Noise: < 100 nW
Cal Factor Uncertainty: < 4.5%
VSWR:
50 MHz to 100 MHz: 1.15:1
100 MHz to 2 GHz: 1.10:1
2 GHz to 12.4 GHz: 1.15:1
12.4 GHz to 18 GHz: 1.20:1
18 GHz to 26.5 GHz: 1.25:1
26.5 GHz to 40 GHz: 1.30:1
40 GHz to 50 GHz: 1.50:1
Input Connector: 2.4 mm (m)
N8487A 8487A A, P
Table 1-1 Required Test Equipment
Instrument Critical Specifications Recommended
Model
a
Alternative
Model
Use
b