Procedure For Creating An Upper And Lower Limit Line - HP 8590 E-Series User Manual

Procedure for Creating an Upper and Lower Limit Line

This is a basic procedure for creating a sample of upper and lower limit lines. The CAL OUT
signal is used for the test signal.
1. Press @KY].
2. Since this procedure uses the calibration signal as the test signal, connect the spectrum
analyzer CAL OUT to the INPUT 50 D with an appropriate cable.
3. Set the spectrum analyzer controls as follows:
FREQUENCY)
300 MHz
5. At this point you may need to do the following:
a. To save the current limit-line table, press SAVE LIMIT and enter the register number.
Then press [ml.
More 1 of 2 . Then press PURGE LIMITS two times.
LIMITS FRQ TIME so that FRQ is underlined to select
is not already selected.)
limit line (if it is not already selected.)
9. Specify the first limit-line segment by using the following key sequence:
SELECT FREQ 275 MHz
60 -dBm
75 -dBm
FLAT
10. Repeat the above step for the values listed in the following table to complete the limit-line
table. (It is not necessary to repeat the SELECT FREQ softkey for successive entries.)
the
frequency type of limit line, if it
Using Analyzer Features 5-29