To Use Marker Search Functions - HP 8712ET User Manual

NOTE
CAUTION
To Use Max Search
and Min Search
Using Instrument Functions
Using Markers

To Use Marker Search Functions

Markers can be used to:
• search a measurement trace for maximum or minimum points
• search for a target value
• automatically calculate bandwidth or notch parameters of filters
• automatically search for multiple maximums or minimums
Marker tracking can be useful for tuning DUTs when combined with the
marker search functions. When tracking is turned on, the marker search
is applied to the active marker and is updated with each sweep. To turn
tracking on, press
MARKER
type of search you will be performing. Then press
necessary), and Tracking on OFF
It is possible to select marker search types on measurement channel 1
that are incompatible with those on measurement channel 2, and vice
versa. Doing so can cause the markers on the inactive channel to be
moved. Be careful to ensure you are using the correct markers for the
measurement channel you are currently measuring, especially when
marker tracking is turned on.
The maximum search functions scan for peak points on the
measurement trace. The minimum search functions scan for minimum
points on the measurement trace.
1. Press Marker Search
marker 1 at the maximum value on the trace.
2. Press Prior Menu Prior Menu 2:
Min Search Mkr
value on the trace.
3. Figure 4-3 shows markers 1 and 2 at the maximum and minimum
points, respectively.
4-6
Marker Search
.
Max Search Mkr
Marker Search
−
> Min to place marker 2 at the minimum
and then select the
Prior Menu (if
−
> Max to place
ET User's Guide