Agilent Technologies NFA Series, Performance Verification And Calibration Manual

Page: 69 / 184

Chapter 2 57
Test Descriptions
Noise Figure Range and Accuracy
Test Setup
Figure 2-14 Equipment required for Noise Figure Range and Accuracy test
Test Procedure
NOTE Throughout the Noise Figure Range and Accuracy Test Procedure the term ‘the
Worksheet’ refers to the Noise Figure Range and Accuracy Test Worksheet on page
60 and the term ‘the Test Record’ refers to the Noise Figure Range and Accuracy
Test Record detailed in the relevant Appendix for the model number being tested.
Step 1. Connect the equipment as shown in Figure 2-14.
Step 2. Set the Synthesized Sweeper as follows:
1. Press the
Preset
key.
2. Set the frequency to 50 MHz (press the
CW
key and
5
,
0
,
MHz
.
3. Set the power level to -54 dBm (press the
Power Level
key and
-
,
5
,
4
,
dB(m)
.
4. Switch
RF ON
Step 3. Set the Switch Driver as follows:
NOISE FIGURE
ANALYZER
ATTENUATOR
SWITCH DRIVER
SYNTHESIZED
SWEEPER
Control
Cable
Attenuator X
RF Cable
Adapter 2
Input
RF Cable
Adapter 1
PRECISION 1dB
STEP ATTENUATOR