Frequency And Amplitude Difference Between Signals - HP 8590 E-Series User Manual

4.
Press to activate center frequency. Turn the knob clockwise slowly to adjust
the center frequency until a second signal peak is placed at the position of the second
marker. It may be necessary to pause occasionally while turning the knob to allow a sweep
to update the trace. The first marker remains on the screen at the amplitude of the first
signal peak.
Note
Changing the reference level changes the marker delta amplitude readout.
The annotation in the upper-right corner of the screen indicates the amplitude and frequency
difference between the two markers. See Figure 3-15.
To turn the markers off, press IIVIKR), More 1 of 2 , then MARKER ALL OFF .
Figure 3-15. Frequency and Amplitude Difference between Signals
3-14 Making Basic Measurements
REF 0
PEAK
LOG
10
3 3
S P A N 5 0 0 . 0 MHz