Agilent Technologies E1401-90493 User Manual Page 342

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342 Chapter 2
Performance Verification Tests
42. Tracking Generator Absolute Amplitude and Vernier Accuracy: Agilent E4402B, E4403B,
E4404B, E4405B, E4407B, and E4408B (Option 1DN)
setting and subtracting the result from the Measured Power Level
for each Source Amplitude Setting in Table 2-93.
9. Record the vernier accuracy values from Table 2-93 as test record
entries (TR entries) 2 through 9 in the performance test record.
10.Copy the Absolute Vernier Accuracy values from Table 2-93 into
columns 2 and 3 of Table 2-94 on page 342, as indicated by the TR
entry numbers.
11.Calculate the Incremental Vernier Accuracy for each Source Vernier
Setting by subtracting the Absolute Vernier Accuracy value in
Column 3 of Table 2-94 from the Absolute Vernier Accuracy value in
Column 2. Record the result in Column 4 of Table 2-94 and in the
Performance Test Record as indicated by the TR entry number.
Example:
If the Absolute Vernier Accuracy for the
7 dB vernier setting is
0.23 dB (TR entry 6) and the Absolute Vernier Accuracy for the
8 dB vernier setting is 0.08 dB (TR entry 7), the Incremental
Vernier Accuracy for the
8 dB vernier setting would be 0.15 dB
(
0.15 = 0.08 0.23).
12.Press
System, Alignments, Auto Align, All.
Vernier Accuracy Measured Power Level (dB) Source Vernier Setting (dB)( 4 dB )+=
Table 2-94 Incremental Vernier Accuracy Worksheet
Column 1 Column 2 Column 3 Column 4
Source
Vernier
Setting (dB)
Absolute
Vernier
Accuracy (dB)
Absolute
Vernier
Accuracy (dB)
Incremental
Vernier
Accuracy (dB)
2 2) 3) 10)
3 3) 0.0 11)
4 0.0 (Ref) 0.0 (Ref) 0.0 (Ref)
5 4) 0.0 12)
6 5) 4) 13)
7 6) 5) 14)
8 7) 6) 15)
9 8) 7) 16)
10 9) 8) 17)
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