12 Chapter 1
Calibrating
Calibration Cycle
Table 1-1 Agilent E4401B Performance Verification Tests
Performance Test Name
Calibration for Instrument Option:
Std
a
1DN
1DQ
1DS
1D5
1D6
AYX
1. 10 MHz Reference Output Accuracyb•
2. 10 MHz High-Stability Frequency Reference
Output Accuracy
•
3. Frequency Readout and Marker Frequency
Count Accuracy
•
5. Frequency Span Accuracy •
7. Noise Sidebands •
9. System-Related Sidebands •
10. Residual FM •
11. Sweep Time Accuracy •
12. Display Scale Fidelity •
13. Input Attenuation Switching Uncertainty •
14. Reference Level Accuracy •
16. Resolution Bandwidth Switching Uncertainty •
17. Absolute Amplitude Accuracy (Reference
Settings)
•
19. Overall Absolute Amplitude Accuracy •
21. Resolution Bandwidth Accuracy •
22. Frequency Response •
25. Frequency Response (Preamp On) •
28. Other Input-Related Spurious Responses •
30. Spurious Responses •
33. Gain Compression •
35. Displayed Average Noise Level •
39. Residual Responses •
40. Fast Time Domain Amplitude Accuracy •
41. Tracking Generator Absolute Amplitude and
Vernier Accuracy
••
43. Tracking Generator Level Flatness • •
45. Tracking Generator Harmonic Spurious
Outputs
••
47. Tracking Generator Non-Harmonic Spurious
Outputs
••
50. Gate Delay Accuracy and Gate Length
Accuracy
•
51. Gate Mode Additional Amplitude Error •
a. Perform these tests for all E4401B analyzers.
b. Perform this test only on analyzers not equipped with Option 1D5.