Calibration Procedure For Audio Analyzer, Models 8903A And 8903B

SECTION I. IDENTIFICATION AND DESCRIPTION
Table 1. Calibration Description Continued.
Table 1. Calibration Description Continued.
SECTION III. CALIBRATION PROCESS
AC Level Accuracy and Output Level Accuracy and Flatness (8903A)
Table 3. AC Level Accuracy and Flatness (HIGH INPUT) Continued.
Table 4. Low Level AC Level Accuracy.
Table 6. Source Flatness.
Figure 1. Flatness Adjustment Locations.
Table 7. AC Level Accuracy and Flatness (HIGH INPUT).
Table 7. AC Level Accuracy and Flatness (HIGH INPUT) Continued.
Table 8. AC Level Accuracy and Flatness (LOW INPUT).
Table 8. AC Level Accuracy and Flatness (LOW INPUT) Continued.
Table 8. AC Level Accuracy and Flatness (LOW INPUT) Continued.
Table 10. AC Level Accuracy and Flatness (0.0007 V HIGH INPUT).
Table 11. Output Level accuracy and Flatness.
Adjustments
Figure 2. Flatness Adjustment Locations.
Figure 2. Flatness Adjustment Locations.
DC Level Accuracy
Table 14. Residual Distortion and Noise.
Figure 3. Distortion, Sinad and Signal/Noise Connection.
Table 15. Distortion, Sinad and Signal/Noise.
Table 16. Frequency Sensitivity.
Audio Filters
Table 19. OPT 011 or 051 (CCITT WEIGHTING) Audio Filter.
Table 22. OPT 014 or 054 (CCIR/ARM WEIGHTING) Audio Filter.
Table 23. OPT 015 or 055 (A WEIGHTING) Audio Filter.
Input and Output Impedance
Common-Mode Rejection Ratio
Adjustments
Figure 4. Notch Filter Tune and Balance Connection.
Voltmeter Adjustment
Final Procedure

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