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5.Use the Arbitrary Function Generator
107
Laylight
Laylight window
Triang
Triangle window (Fejer window)
Others
DC
DC signal
Heart
Heart signal
Round
Round signal
LFMPulse
Linear FM pulse
Rhombus
Rhombus signal
Cardiac
Cardiac signal
Noise
Noise signal
Frequency Response Analysis
The Frequency Response Analysis (FRA) feature controls the built-in waveform
generator to sweep a sine wave across a range of frequencies while measuring
the input to and output from a device under test. At each frequency, gain and
phase are measured and plotted on a frequency response Bode chart. When the
frequency response analysis completes, you can move a marker across the chart
to see the measured gain and phase values at each frequency point. You can also
adjust the chart's scale and offset settings for the gain and phase plots.
Note: If the signal is disturbed seriously, it is recommended to select Average in
Acquire Mode before running the analysis, the averages can only be set as 4 or 16,
and then run the analysis.
Push the Utility button, select Function in the bottom menu, select FRA in the left
menu.
The description of FRA Menu is shown as the follows:
Function
Menu
Setting
Description
FRA
FRA
Check to enable FRA function and show FRA
scale line and chart.
Transparent
When unchecked, FRA information is shown on
the FRA window.
When checked, FRA information is shown on the
waveform display area.
Marker
Turn Multipurpose knob to move the marker, view
measured gain and phase values.
Sweep Step
Fine
When unchecked, the sweep step is 0.1dB.
When checked, the sweep step is 0.01dB.
Setup
Input V
CH1
Input V is input from CH1.
Output V is input from CH2.
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