1-76
Making Measurements
Using Limit Lines to Test a Device
1. To access the limits menu and activate the limit lines, press:
2. To establish the start frequency and limits for a sloping limit line that tests the low s ide
of the filter, press:
3. To terminate the lines and create a sloping limit line, press:
4. To establish the start frequency and limits for a sloping limit line that tests the high
side of the filter, press:
5. To terminate the lines and create a sloping limit line, press:
You could use this type of limit to test the shape factor of a filter.
System
LIMIT MENU
LIMIT LINE
LIMIT LINE ON
EDIT LIMIT LINE
CLEAR LIST
YES
ADD
STIMULUS VALUE
123
UPPER LIMIT
−65 x1
LOWER LIMIT
−200 x1
DONE
LIMIT TYPE
SLOPING LINE
RETURN
ADD
STIMULUS VALUE
125
UPPER LIMIT
−26 x1
LOWER LIMIT
−200 x1
DONE
LIMIT TYPE
SINGLE POINT
RETURN
ADD
STIMULUS VALUE
144
M/µ
UPPER LIMIT
−26 x1
LOWER LIMIT
−200 x1
DONE
LIMIT TYPE
SLOPING LINE
RETURN
ADD
STIMULUS VALUE
146
M/µ
UPPER LIMIT
−65 x1
LOWER LIMIT
−200 x1
DONE
LIMIT TYPE
SINGLE POINT
RETURN