Agilent Technologies 8753ET User Manual page 90

Making Measurements
Using Limit Lines to Test a Device
5. To terminate the flat line segment by establishing a single point limit, press:
ADD STIMULUS VALUE
LIMIT TYPE SINGLE POINT
Figure 1-61 shows the flat limit lines that you have just created with the following parameters:
• stimulus from 127 MHz to 140 MHz
• upper limit of 21 dB
• lower limit of 27 dB
Figure 1-61 Example Flat Limit Line
• To create a limit line that tests the low side of the filter, press:
ADD
STIMULUS VALUE
UPPER LIMIT
LOWER LIMIT
DONE
LIMIT TYPE
ADD
STIMULUS VALUE
DONE
LIMIT TYPE
1-76
140 M/
RETURN
100 M/
65
x1
200
x1
FLAT LINE RETURN
123 M/
SINGLE POINT RETURN

DONE