Location Of 10 Db Gain Step Adjustments - HP 8566B Adjustment Manual

10. Step Gain and 18.4 MHz Local Oscillator Adjustments
Figure 3-48. Location of 10 dB Gain Step Adjustments
22. If A4A5R32 SGlO adjustment does not have sufficient range to
perform adjustment in step 19, increase or decrease the value of
to 'Ihble 3-3 for range of values for A4A7R60. Repeat steps 9
through 21 if the value of A4A7R60 is changed.
[
23. Key in
REFERENCE LEVEL
24. Adjust A4A5R44 SG20-1 for MKR A level of .OO dB. See
Figure 3-48 for location of adjustment.
[
25. Key in
REFERENCE LEVEL
26. Adjust A4A5R54 SG20-2 for MKR A level of .OO dB. See
Figure 3-48 for location of adjustment.
27. Key in
LEVEL
28. Key in
LEVEL
29. MKR A level, as indicated by CRT annotation, should be .OO f0.05
(
30. Key in
REFERENCE LEVEL
31. MKR A level should be .OO f0.05 dB. If not, increase or decrease
the value of A4A5R70. Refer to 'Ikble 3-3 for range of values.
[
32. Key in
REFERENCE LEVEL
33. MKR A level should be .OO f0.05 dB. If not, increase or decrease
the value of A4A5R62. Refer to 'Ihble 3-3 for range of values.
R 4 4
R 3 2
)
-50 dBm. Set step attenuators to 45 dB.
]
-70 dBm. Set step attenuators to 65 dB.
]
-19.9 dBm. Set step attenuators to 15
new
)
-17.9 dBm. Set step attenuators to 13
]
-15.9 dBm. Set step attenuators to 11
)
-11.9 dBm. Set step attenuators to 7 dB.
R 5 4
R 7 0 R 6 2
reference.
Adjustments 3-97