Agilent Technologies 83620A, Service Manual

Page: 313 / 687

80. Mo dify calibration constan t #637, YTF Oset; Band 7, to maximize low
end p o w er.
81. Repeat steps 79 and 80 un til the en tire band is p eak ed.
82. Note the v alue of calibration constan t #637, YTF Oset; Band 7
.
Step do wn the calibration constan t in 100 coun t steps and v erify that the
en tire trace shifts do wn ev enly . If the p o w er c hange is not uniform, rep eat
steps 79 through 81 un til it is. Then c hange calibration constan t #637
bac k to the recorded v alue.
83. On the syn thesizer, set:
4 POWER LEVEL 5 4 0 5 4 dBm 5
84. Adjust calibration constan t #137, Squegg Clamp 7A, to maximize RF
output p o w er across the band.
Auto Tracking V erification.
85. Record the v alue of the follo wing calibration constan ts:
#621 YTF Gain; Band 1
#622 YTF Gain; Band 2
#623 YTF Gain; Band 3
#624 YTF Gain; Band 4
#625 YTF Gain; Band 5
#626 YTF Gain; Band 6
#627 YTF Gain; Band 7
#631 YTF Oset; Band 1
#632 YTF Oset; Band 2
#633 YTF Oset; Band 3
#634 YTF Oset; Band 4
#635 YTF Oset; Band 5
#636 YTF Oset; Band 6
#637 YTF Oset; Band 7
#225 YTM Gain; Band 1
#226 YTM Gain; Band 2
#227 YTM Gain; Band 3
#228 YTM Gain; Band 4
#229 YTM Gain; Band 5
#230 YTM Gain; Band 6
HP 8360 Adjustments
Amplifier/Filter Adjustments
3-69
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