Figure 5 The RC components shown represent internal R and C of a compensated op- amp.
-Refer to Figure 5. Assume the input frequency is equal to the critical frequency. The phase shift is
A)-30°
B)-90°
C)0°
D)-45°

Question

Figure 5 The RC components shown represent internal R and C of a compensated op- amp.
-Refer to Figure 5. Assume the input frequency is equal to the critical frequency. The phase shift is
A)-30° 
B)-90° 
C)0° 
D)-45°

Quizplus · Accepted Answer

At the critical frequency of a circuit, the phase shift is typically -45°. This is a characteristic of filters and other frequency-dependent circuits at their cutoff or critical frequency.

Figure 5 the RC Components Shown Represent Internal R and C