Agilent Technologies 8360 L Series, Service Manual

Page: 145 / 603

7. Adjust the timebase dela y to p osition the falling edge of the pulse near the cen ter of the
oscilloscop e display .
8. Measure the falltime the same w a y as y ou measured the risetime (see step 6). Record this
v alue in T able 2-18.
9. Repeat steps 5 through 8 at eac h syn thesizer frequency in T able 2-18 .
10. Record eac h w orst case risetime and falltime v alue from T able 2-18 on the test record.
Figure 2-17. Widened Pulse Env elope
Pulse Lev eling Accuracy
11. On the pulse generator, set:
Pulse Width: 1 s
Pulse Period: 1 ms
Pulse Level: 5 V
12. On the syn thesizer, press:
4
CW
5 First syn thesizer frequency in T able 2-18
4 POWER LEVEL 5 4 0 5 4 dBm 5
4 ALC 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Leveling Mode Normal
4
MOD
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Pulse On/Off Extrnl (asterisk on)
or, for syn thesizers with Option 002, press:
4 MOD 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Pulse Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Pulse On/Off Ext (asterisk on)
2-58 P erformance T ests
Pulse P erformance
Agilent 8360