Agilent Technologies 8360 L Series, Руководство по обслуживанию

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1
P eak Carrier V oltage = 10
PdBm010
20
18. Record the video feedthrough (in T able 2-21).
19. Repeat steps 16 through 18 for the remaining CW frequencies in T able 2-21 .
20. F or syn thesizers capable of > 10 dBm, set the maxim um sp ecied lev eled p o w er and
rep eat steps 16 through 18for all of the CW frequencies in T able 2-21 .
21. Record the w orst case v alue from T able 2-21 for eac h p o w er range on the test record.
Video Feedthrough > 2 GHz
22. Replace the 130 MHz low pass lter with a 500 MHz low pass lter.
23. Repeat steps 7 through 10 to c hec k video gain once more.
24. On the oscilloscop e, reset c hannel 1 to 0.01 v olts/division.
25. Set the syn thesizer to its maximum sp ecied lev eled p o w er and rep eat steps 13 and
16 through 17 (the oscilloscop e and pulse generator are already set up) for the CW
frequencies in T able 2-23 . Do not exceed the maxim um frequency of y our syn thesizer.
Record the video feedthrough in T able 2-23 .
T able 2-23. Millimeter Band Video Feedthrough Frequencies
F requency
(GHz)
Video
F eedthrough (%)
5.0
10.0
15.0
20.0
23.0
28.0
35.0
45.0
26. Record the w orst case v alue in T able 2-23 on the test record.
Related Adjustments
None
In Case of Difficulty
Refer to the A gilent T e chnolo gies 8360 B-Series Swept Signal Gener ator/ 8360 L-Series Swept
CW Gener ator T r oublesho oting Guide .
Agilent 8360 P erformance T ests
Pulse Modulation Video Feedthrough
2-77