Agilent Technologies 8360 L Series, Service Manual

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94. Set the syn thesizer p o w er lev el to 25 dBm and then set v arious frequency ranges suc h as
5 GHz to 50 GHz or 10 GHz to 45 GHz.
Set the sw eep times to greater than 200 ms for single-band sw eeps and less than 1.5
seconds for m ulti-band sw eeps since dela y comp ensation has not y et b een adjusted.
F or eac h frequency range set, compare the signal lev els of single sw eep to con tinuous
sw eep. Band frequency ranges are as follo ws:
Band 83630B /L
F requency Range
(GHz)
83640B/L
F requency Range
(GHz)
83650B /L
F requency Range
(GHz)
0 0.01 to < 2.0 0.01 to < 2.0 0.01 to < 2.0
1 2.0 to 7.0 2.0 to 7.0 2.0 to 7.0
2 7.0 to < 13.5 7.0 to < 13.5 7.0 to < 13.5
3 13.5 to 20.0 13.5 to 20.0 13.5 to 20.0
4 > 20.0 to 26.5 > 20.0 to 25.5 > 20.0 to 26.5
5 25.5 to < 32 26.5 to < 33.5
6 32 to < 40 33.5 to < 38
7 38 to 50
Problems here are t ypically asso ciated with sphere heating while a w aiting the start of sw eep
trigger. If necessary adjust the squegging clamp calibration constan t for the appropriate band.
Single-Band Amplifier/Filter Delay .
95. On the syn thesizer, set:
4
ST ART
5 4
2.0
5 4
GHz
5
4 STOP 5 4 7 5 4 GHz 5
4 CONT 5 4 SWEEP TIME 5 4 0 5 4 msec 5
4
POWER LEVEL
5 4
25
5 4
dBm
5
4
ALC
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Leveling Mode ALCoff (asterisk on)
F or the 83640B /L and 83650B /L only , also set:
4 SERVICE 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Tools Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Disable Doubler (asterisk on)
96. Decrease the syn thesizer p o w er lev el un til the lev el of the en tire trace on the oscilloscop e
b egins to drop.
Agilent 8360 Adjustments
Amplifier/Filter Adjustments
3-51