News

The Nichols chart is used to determine the peak response (most unstable point) from an open loop transfer function plot, as well as the crossover frequency, phase margin and gain margin.
Nyquist chart created from the Bode plot data in Fig. 1 shows the phase margin, gain margin, and stability margin. Three points are indicated on the Nyquist chart; phase margin, gain margin, and ...
Logarithmic scales are used. The amplitude response is given in decibels, so it is possible to construct complex Bode plots by superposition of simple subplots. If there are several partial transfer ...
To perform the measurements, you inject a small AC signal into the power supply’s control-loop circuit and measure the loop’s gain and phase shift. By measuring the gain and phase, you can plot them ...