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Test Descriptions
Gain Measurement Uncertainty
Step 9. Convert the delta ratios to dB error values using 10*LOG
(Delta reading from
10
index 1 to 71). Enter the value in the Worksheet No. 1.
Example: Index 16 = 1.004545 = 10 * LOG
(1.004545) = 0.019694dB
10
Step 10. Using the error data calculated in the Worksheet No. 1, enter the peak-to-peak error
in dB over the 30 available measurement ranges in the Worksheet 2.
Step 11. Record the worst Instrumentation Uncertainty into the Test Record and ensure that
the measured value is within its published specification.
Chapter 2
67
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