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Bode Plot (for DHO914S and DHO924S only)

Bode plot is a way of graphically displaying the frequency response of a system. In

the switch power supply and operational amplifier's circuit feedback network, the

Bode plot provides the curves displaying the variation of gain and phase with the

frequency for a loop analysis. Through the analysis on the system's gain and phase

margins, you can determine the stability of the system.

With the built-in signal generator module, the DHO914S and DHO924S series

generate the sweep signal of a specified frequency range and outputs to the switch

power supply circuit under test. Then, the oscilloscope draws a Bode plot displaying

the variation of phase and gain with different frequencies. Click or tap the function

navigation icon

and select Bode Plots to enter the "Bode Plots" setting menu.

Figure 15.1 "Bode Plots" Setting Menu

Click or tap to minimize the "Bode Plots" menu to simplify the display, as

shown in the figure below.

Figure 15.2 "Bode Plots" Setting Menu-Simplified Mode

Bode Plot (for DHO914S and DHO924S only)

DHO900 User Guide

178

Rigol DHO914 User Manual

Other manuals for Rigol DHO914