Manual Supplement
Manual Title: |
8920A/8921A |
Supplement Issue: |
8 |
Part Number: |
487157 |
Issue Date: |
6/99 |
Print Date: |
October 1978 |
Page Count: |
4 |
Revision/Date: |
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This supplement contains information necessary to ensure the accuracy of the above manual. Enter the corrections in the manual if either one of the following conditions exist:
1.The revision letter stamped on the indicated PCA is equal to or higher than that given with each change.
2.No revision letter is indicated at the beginning of the change.
© 1999 Fluke Corporation. All rights reserved. Printed in the U.S.A. |
® |
8920A/8921A |
Manual Supplement |
Change #1
On page 1-4, replace everything on the page with the following:
AC + DC (add to AC specification. Assume 100 Hz if AC component is negligible.) :
Accuracy: |
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Above 2 mV |
+/-(10 digits or 0.5 dB) |
Below 2 mV |
+/-(100 digits or 5 dB) |
Temperature Coefficient (0 to 18 degree C/28 to 50 degree C): |
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Above 2 mV |
+/-(2 digits/degree C or 0.1 dB/degree C) |
Below 2 mV |
+/-(20 digits/degree C or 1 dB/degree C) |
Change #2
On page 4-20, replace Table 4-12 with the following:
Table 4-12. R19/R34, R66/R76 Resistive Values (mF, ±1%, 1/8W)
VALUE |
VALUE |
VALUE |
VALUE |
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499 K |
34.8 K |
68.1 K |
24.3 K |
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332 K |
32.4 K |
57.6 K |
22.6 K |
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169 K |
30.1 K |
48.7 K |
21.5 K |
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115 K |
28.0 K |
43.2 K |
20.5 K |
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86.6 K |
26.1 K |
38. K |
19.1 K |
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Change #3
On page 4-2, add the following to the bottom of Table 4-1:
EQUIPMENT |
REQUIREMENT |
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RECOMMENDED |
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NONMENCLATURE |
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EQUIPMENT |
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Input Filter |
500 Hz |
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Figure A. |
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Input Filter |
50 kHz |
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Figure B. |
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INPUT FILTERS |
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500 Hz |
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50 Hz |
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100 W |
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100 W |
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.1 mf |
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510 pf |
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8920_21_figa.eps |
8920_21_fig_b.eps |
Figure A. |
Figure B. |
6/99 |
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