To Create A Sloping Limit Line - HP 8712ET User Manual

NOTE
Using Instrument Functions
Using Limit Testing

To Create a Sloping Limit Line

A sloping limit line has different values for its begin and end limits. In
this example, you will create a sloping limit line between 130 MHz and
155 MHz with a beginning level of −35 dB and an ending level of −3 dB.
1. Press Prior Menu Add Limit
Begin Frequency
2. Press End Frequency
3. Press Begin Limit
4. Press End Limit
When creating limit lines, you can enter frequency and limit values
using the front panel knob or the
numeric keypad.
Figure 4-16, "Limit Lines,"
shape of a bandpass filter. In this example, a filter was connected to the
analyzer and tuned so that its response was within the created limit
lines. The pass/fail indicator gives constant feedback regarding test
status.
4-30
Add Min Line
130 MHz .
155 MHz .
−35
Enter .
−3
Enter .
shows limit lines that dictate the specified
keys as well as the
ET User's Guide