Agilent Technologies 8753ET User Manual page 92

Making Measurements
Using Limit Lines to Test a Device
1. To access the limits menu and activate the limit lines, press:
System LIMIT MENU
CLEAR LIST YES
2. To establish the start frequency and limits for a sloping limit line that tests the low side of the filter,
press:
ADD STIMULUS VALUE
UPPER LIMIT
DONE LIMIT TYPE
3. To terminate the lines and create a sloping limit line, press:
ADD STIMULUS VALUE
UPPER LIMIT
DONE LIMIT TYPE
4. To establish the start frequency and limits for a sloping limit line that tests the high side of the filter,
press:
ADD STIMULUS VALUE
UPPER LIMIT
DONE LIMIT TYPE
5. To terminate the lines and create a sloping limit line, press:
ADD STIMULUS VALUE
UPPER LIMIT
DONE LIMIT TYPE
You could use this type of limit to test the shape factor of a filter.
1-78
LIMIT LINE
123 M/
65
x1 LOWER LIMIT
SLOPING LINE
125 M/
26
x1 LOWER LIMIT
SINGLE POINT
144 M/
26
x1 LOWER LIMIT
SLOPING LINE
146 M/
65
LOWER LIMIT
x1
SINGLE POINT
LIMIT LINE ON EDIT LIMIT LINE
200
x1
RETURN
200
x1
RETURN
200
x1
RETURN
200
x1
RETURN