![]() However, an often unconsidered aspect of phase in a Bode plot is its effect on stability, which arises in negative feedback amplifiers. In a filter or amplifier, the phase curve in the Bode plot indicates separation between the input and output signals, which becomes quite important when we consider the role of feedback in a circuit. This simple plot is just the transfer function of a circuit plotted on a logarithmic scale, but the two portions of this plot tell you important information about signal behavior. Among the various tools used to understand reactive circuits, a primary tool is the Bode plot. Reactive circuits need careful analysis to determine how they interact with signals of different frequencies. The phase is one of two pieces of information shown in a Bode plot, where the output voltage is shifted in time with respect to the input voltage.Īs reactive components, inductors and capacitors induce a phase shift in a filter or amplifier circuit, creating a phase shift that can be seen in a Bode plot. When a phase shift is introduced into a filter or amplifier, the magnitude of the phase shift and attenuation/gain can be determined over a range of frequencies. ![]() Reactive components in LTI systems will produce a phase shift between the current and voltage in the component. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |