HP 8559A Operation And Service Manual page 122

ADJUSTMENTS
5-19. LOG AMPLIFIER LOG AND LINEAR ADJUSTMENTS (Cont'd)
Step
DVM
Attenuator
Setting
*
DVM reading minus offset recorded in step 4.
'*All values in the Difference Between Adjacent Readings column must be less than o r equal t o
+
Example 5 mV offset):
(
TABLE 5-7. SAMPLE COMPUTATIONS OF AMPLITUDE LOG DISPLAY ACCURACY
Step
DVM
Attenuator
Reading
Setting
0
10
20
30
40
*
DVM Reading minus offset recorded in step 4.
ADJUSTMENTS
TABLE 5-6. LOG FIDELITY CHECK
Corrected
Test
DVM
Limits
Reading*
Corrected
DVM
Reading*
Theoretical
Theoretical Reading Subtracted
Reading from Corrected
DVM Reading
Theoretical
Theoretical Reading Subtracted
Reading from Corrected
DVM Reading
- 6
- 8
+
MODEL 8559A
Difference
Between
Adjacent
Readings*"
Difference
Between
Adjacent
Readings*"
10 mV.