Agilent Technologies 8360 L Series, Service Manual

Page: 107 / 603

Stepped Sw eep Frequency Switching Time (Within a Frequency Band)
9. On the syn thesizer, press:
FREQUENCY 4 MENU 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Step Swp Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Step Size 4 100 5 4 MHz 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Step Dwell 4 10 5 4 ms 5
4 ST ART 5 4 2.4 5 4 GHz 5
4 STOP 5 4 6.9 5 4 GHz 5
4
SINGLE
5
SWEEP 4
MENU
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Sweep Mode Step
4 SINGLE 5
10. On the oscilloscop e, set:
Channel 1:
Display On
Preset TTL
Input Coupling dc
Timebase:
Time/Division 2 ms
Delay Reference At left
Delay 02 ms
Sweep Triggered
Trigger:
Trigger Mode Events
Trigger After Negative edge
Trigger Src Chan 1
Trigger On 1 events
Trigger Of Positive edge
Trigger On Channel 1
Display:
Display Mode Repetitive
11. Set the oscilloscop e for a single sw eep at the next trigger. Press 4
Stop/Single
5. The
oscilloscop e should display Awaiting Trigger.
12. On the syn thesizer, initiate a stepp ed sw eep. Press 4 SINGLE 5.
13. On the oscilloscop e, measure the p ositiv e pulse width and note the v alue .
14. Incremen t the trigger to 20 ev en ts and rep eat steps 11 through 13.
Pulse width v alue .
15. Incremen t the trigger to 45 ev en ts and rep eat steps 11 through 13.
Pulse width v alue .
16. Record the w orst case v alue from steps 13 through 15 on the test record.
Frequency List Frequency Switching Time (Across Bandswitch P oints)
17. On the syn thesizer, delete an y en tries in the frequency list men u. Press:
FREQUENCY 4
MENU
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
List Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Delete Menu
NNNNNNNNNNN
All
18.
On the syn thesizer, press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Enter List Freq and en ter the following frequencies in the
frequency list men u:
2-20 P erformance T ests
Frequency Switching Time
Agilent 8360