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DSA800 Series creating manual limit lines

Posted on: December 16th, 2020 by James

The DSA815 features two pass fail limit lines, one upper and one lower. This document describes how to manually configure the upper limit line. 
•    In the control menu on the front pane, press Trace/P/F 
•    Select Pass/Fail
 
•    Switch On
•    Press Setup
 

•    Select Upper Limit
•    Select Edit
 

•    Select point 1. This is the start of the limit line. The X Axis must be non-zero. We selected 0Hz with the -20dBm amplitude for the initial low frequency portion of the limit line. 
NOTE: The Keypad is a convenient way to enter the values. Just type the numbers and select the desired units. 
 

•    Set point 2: X Axis 100MHz, Amplitude -20dBm, Connected = Yes

 
•    Set point 3: X Axis 100.000001MHz, Amplitude -10dBmm, Connected = Yes

 
•    Set point 4: X Axis 1.5GHz, Amplitude -10dBmm, Connected = Yes

 
•    In the control menu on the front pane, press Trace/P/F 
•    Select Pass/Fail
•    Select Setup 
•    Enable test by selecting Test ON
•    You can also enable Fail Stop and enable Beeper (page 2 of the setup menu)
•    You can store the limit lines internally or to an external USB stick by selecting storage, and set the filter type to Limit