Making A Smith Chart Measurement - Deviser SitePROFILER User Manual

4. If "ON" appears under Calibration Status on the left-hand side of the display, continue to step 6.
Otherwise, you will need to calibrate the instrument. See Chapter 3 — Calibrating the E7000L.
5. Tap the Amplitude main menu key. Use the Scale/DIV softkey to set the scale per division, or tap Full
Scale to default to 1 U.
6. Press the Sweep (#3) datakey to open the Sweep submenu. Tap Data Points to select the resolution
of your measurement. You may choose 130, 259, 517, 1033, or 2056 data points.
d. The default setting is 517. The higher the setting, the longer it will take to complete a sweep.
7. In the Sweep submenu, tap RF Immunity to toggle interference rejection between High and Low
depending on your measurement needs.
a. The default setting is Low. Use High when you suspect a high level of RF signal energy from
neighboring cell sites, or other potential interference in the area.
10-2

Making a Smith Chart Measurement

Once you have selected a measurement type and set the desired parameters (as covered in Section 10-
1), the instrument is ready to perform the Smith Chart measurement.
Procedure:
4. Connect the antenna or cable feedline to the RF Out port on the instrument, using a test port
extension cable if necessary.
5. The measurement trace will appear on the instrument display in real time.
6. For best results, allow the instrument to perform several sweeps in Continuous mode.
For details on analyzing the measurement results, please refer to Chapter 16 — Markers and Limit Lines.
Saving the Measurement:
When you have conducted a successful measurement and wish to save the results for later viewing or
analysis, press the Save button to the top-right of the display. Smith Chart measurements will save as .SMI
files. For more details on naming and saving files to the instrument or USB, see Section 17-2.
10-2.1 — Regarding Smith Chart Limit Lines
As in other measurement modes, the user may conduct pass/fail analyses in the Smith Chart application by
setting upper and lower limit lines from the Limit (#6) main menu. If the measurement exceeds the specified
limit range, the instrument will display a FAIL indicator (and emit an audio signal, if Limit Alarm is on).
However, limit lines function and appear somewhat differently on a Smith Chart. This subsection will provide
step-by-step examples of two ways to set limits in the Smith Chart application.
For a general explanation of using limits with the E7000L SitePROFILER, please see Section 16-2.
Setting a Single Upper Limit Line
1. First, in the Limit menu, toggle Limit Test to ON.
2. Tap the Single Limit softkey to open a submenu. Here, select MAX to set an upper limit.
3. Tap Single Value to set the value of the upper limit. A measurement below this value will PASS; one
above this value will FAIL. Use the arrow keys, rotary knob, or data keypad to enter 50 Ω, then press
Enter to confirm.
4. On the measurement display, passing regions of the measurement will appear in yellow and failing
regions will appear in red.
E7000L SitePROFILER
Handheld Cable/Antenna Analyzer
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