Agilent Technologies 8719ES User Manual page 90

Making Measurements
Using Limit Lines to Test a Device
1. To access the limits menu and activate the limit lines, press:
LIMIT MENU
System
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.
1-76
LIMIT LINE
123 M/µ
−65
LOWER LIMIT
x1
SLOPING LINE
125 M/µ
−26
LOWER LIMIT
x1
SINGLE POINT
144 M/µ
−26
LOWER LIMIT
x1
SLOPING LINE
146 M/µ
−65
LOWER LIMIT
x1
SINGLE POINT
LIMIT LINE ON EDIT LIMIT LINE
−200
x1
RETURN
−200
x1
RETURN
−200
x1
RETURN
−200
x1
RETURN