Creating A Sloping Limit Line - Agilent Technologies 8753ET User Manual

Making Measurements
Using Limit Lines to Test a Device
• To create a limit line that tests the high side of the bandpass filter, press:
ADD
STIMULUS VALUE
UPPER LIMIT
LOWER LIMIT
DONE
LIMIT TYPE
ADD
STIMULUS VALUE
DONE
LIMIT TYPE
Figure 1-62 Example Flat Limit Lines

Creating a Sloping Limit Line

This example procedure shows you how to make limits that test the shape factor of a SAW
filter. The following limits are set:
Frequency Range
123 MHz to 125 MHz
144 MHz to 146 MHz
1-78
146 M/µ
−65
x1
−200
x1
FLAT LINE RETURN
160 M/µ
SINGLE POINT RETURN
Power Range
−65 dB to −26 dB
−26 dB to −65 dB