The Spectrum Application
R&S
®
FPC
118
User Manual 1178.4130.02 ─ 07
When you save a data set, the R&S
FPC also stores the associated trace in the trace
memory. If you restore it later, you can display the memory trace as if it is a normal
trace.
1. Press the "Trace" key to open the trace menu.
2. Select the trace you want to store in the trace memory with the "Select Trace"
menu item.
The R&S
FPC saves the selected trace.
3. Select the "Memory Traces" menu item.
4. Select the "Trace
▶
Memory <x>" menu item.
The R&S
FPC stores the trace data in its memory. The "Memory" menu item
becomes active.
5. Select the "Show Memory <x>" menu item.
The R&S
FPC shows the memory trace in a different shade of the corresponding
trace color. If active, it highlights the "Show Memory <x>" menu item.
Figure 14-16: Trace (bright yellow) and memory trace (pale yellow)
Using trace mathematics
Trace mathematics subtract the memory trace from the live trace and vice versa and
then display the results.
1. Press the "Trace" key to open the trace menu.
2. Select the "Trace
►
Memory" menu item.
The R&S
FPC saves the selected trace.
3. Select the "Trace Math" menu item.
The R&S
FPC opens a submenu to select mathematical operations to be applied
to the traces.
4. Select the "Trace - Memory " or the "Memory - Trace " menu item.
TheR&S
FPC calculates and shows the resulting trace (the memory trace remains
as it is, the result is written to the active trace).
Trace Configuration
