
ET User’s Guide
4-29
Using Instrument Functions
Using Limit Testing
To Create a Flat Limit Line
In this example, you will create a minimum limit line from 155 MHz to
195 MHz at a level of
−
3 dB.
1. To access the limit line menu, press
.
2. To create a new minimum limit line, press
.
3. Press
, and enter
.
4. Press
, and enter
.
5. Press
, and press
.
6. Press
, and press
.
7. Notice that the analyzer has generated a limit line at about the
center of the display.
8. To get a less distracting view of the limit line, press
to toggle the graticule off.
9. To see if your filter meets the minimum limit you have just set up,
press
.
10. The display will now indicate whether the DUT has passed or failed
when compared to the current limits. If you are using the filter that
was shipped with your instrument, you should see a PASS indicator.
To edit a current limit line and to see what a fail indicator looks like,
press
and set the
and
to
0 dB.
11. Notice the display now shows the FAIL
indicator.
NOTE
You can move the position of the pass/fail indicator, turn on or off the
pass/fail text, and turn on or off the fail icon in the limit options menu.
Press
. For more
information, see
“Customizing the Display” on page 4-45
12. Before continuing to the next section, edit the limit line to change it
back to having a begin and end limit of
−
3 dB.
DISPLAY
Limit Menu
Add Limit
Add Min Line
Begin Frequency
155
MHz
End Frequency
195 MHz
Begin Limit
−
3
Enter
End Limit
−
3
Enter
DISPLAY
More Display Graticule ON off
Prior Menu Limit Menu Limit Test ON
Edit Limit
Begin Limit
End Limit
DISPLAY
Limit Menu Limit Options
Summary of Contents for HP 8712ET
Page 8: ...viii ET User s Guide ...
Page 17: ...ET User s Guide 1 1 1 Installing the Analyzer ...
Page 34: ...1 18 ET User s Guide Installing the Analyzer Preventive Maintenance ...
Page 35: ...ET User s Guide 2 1 2 Getting Started ...
Page 52: ...2 18 ET User s Guide Getting Started Performing the Operator s Check ...
Page 53: ...ET User s Guide 3 1 3 Making Measurements ...
Page 118: ...3 66 ET User s Guide Making Measurements Measuring Impedance Magnitude ...
Page 119: ...ET User s Guide 4 1 4 Using Instrument Functions ...
Page 143: ...ET User s Guide 4 25 Using Instrument Functions Using Markers Figure 4 15 Delta Marker Mode ...
Page 149: ...ET User s Guide 4 31 Using Instrument Functions Using Limit Testing Figure 4 16 Limit Lines ...
Page 207: ...ET User s Guide 5 1 5 Optimizing Measurements ...
Page 226: ...5 20 ET User s Guide Optimizing Measurements Measuring Devices with Long Electrical Delay ...
Page 227: ...ET User s Guide 6 1 6 Calibrating for Increased Measurement Accuracy ...
Page 266: ...6 40 ET User s Guide Calibrating for Increased Measurement Accuracy Checking the Calibration ...
Page 267: ...ET User s Guide 7 1 7 Front Rear Panel ...
Page 292: ...7 26 ET User s Guide Front Rear Panel Line Module ...
Page 293: ...ET User s Guide 8 1 8 Hardkey Softkey Reference ...
Page 395: ...ET User s Guide 9 1 9 Specifications ...
Page 397: ...ET User s Guide 9 3 Specifications System Performance ...
Page 443: ...ET User s Guide 10 1 10 Safety and Regulatory Information ...
Page 449: ...ET User s Guide 10 7 Safety and Regulatory Information Regulatory Information ...
Page 450: ...10 8 ET User s Guide Safety and Regulatory Information Regulatory Information ...
Page 451: ...ET User s Guide 11 1 11 Factory Preset State and Memory Allocation ...