Models LB480A/LB680A
USB Powe™
Product Manual PPA (Pulse Profiling Application)
Revision: 08/02/11
19
The screen shots in this document use the following input to the LB480A sensor for demonstration purposes:
Carrier Frequency = 1 GHz
Modulation = ~50 kHz Pulse
Duty Cycle = ~10%
Pulse Width = ~2 usec
Power = ~-20 dBm
Sweep Time = 1 msec
Highlight Span
The
Panoramic Trace
and the
Measurement Trace
are designed to work in tandem to help the user identify and
investigate areas of interest easily and quickly. To view a portion of the
Panoramic Trace
in more detail you need only
select or highlight the portion of the trace in which you are interested. Refer to the screen shot below for the following
discussion. After selecting
Highlight
mode, you can select a span in either the Panorama or Measurement views by
dragging the cursor over the display. You can scroll, nudge or zoom in and out across the span or
Reset
it. You can
also highlight a specified percentage of the span from the
Highlight Span
drop down.
Highlight Span
allows you to
highlight a specified percentage of the sweep instead of pointing and clicking the cursor over the span. You can
precisely set the point in time to start the highlighted percentage of the trace using the
Set Start
menu selection.