Chapter 2 77
Test Descriptions
Instrument Noise Figure
NOTE Equipment selection for this test is dependant on the model number of
the NFA. Reference must be made to Figure 2-21 for the actual
equipment configuration required for each individual model number.
Test Setup
Figure 2-21 Instrument Noise Figure Test Setup
Adapter 3.5 mm Precision (F) to 3.5 mm (F) 83059B
BNC Lead Length 122 cm (48 in.), Frequency
10 MHz
10503A
Table 2-21 Required equipment for Instrument Noise Figure Test
Equipment description Critical specification for equipment
substitution
Recommended model
346A
346A
OR
Adapter
Adapter
346C
N8972A
N8973A
Type N
Opt 001
N8974A
3.5mm
Std.
N8975A
3.5mm
Std.
OR
Input
BNC Cable
Source Supply
+28V Noise
OR
OR
NOISE
SOURCE
NOISE FIGURE
ANALYZER
Load ENR Data from C:
Insert ENR Disk
and Load from A:
Create File from Data on
Noise Source Label