RIGOL Front Panel Key Reference
2-6 User’s Guide for DSA1000 Series
CF step lends itself to detect the harmonic waves and bandwidths that are beyond
the current span.
For example, for each order of harmonic of a 100 MHz signal, you can use set both
the center frequency and CF step to 100 MHz, and press the down direction key
continuously to show the harmonics sequentially at the center of the screen.
2.1.1.6 Signal Track
Tracks signals with unstable frequency and less than 3 dB transient variation in
amplitude by placing the Marker1 (see “Marker Measurements”) onto the
measured signal to track the variation continuously.
The system tracks a signal according to the following steps:
Start
Execute a
Sweep
Search Peak
and Mark
Exist Active
Marker?
N
Set Marker
Frequency to
Center Freq
Y
Execute the
Next Sweep
Search and Mark the
Frequency Point (variation
< 3dB) Near the Marker
Figure 2-1 Process of signal tracking
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