(a)increases the input and output impedances (b)increases the input impedance and bandwidth (c)decreases the output impedance and bandwidth (d)does not affect impedance or bandwidth
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
5555555555126. As the frequency increases, the input impedance of an op-amp ________ and the output impedance ________. (a) increases, increases (b) increases, decreases (c) decreases, decreases (d) decreases, increases
Amplifiers » Exercise - 112. When an amplifier is provided with current series feedback, its : (a) input impedance increases and output impedance decreases (b) input and output impedances both decrease (c) input impedance decreases and output impedance increases (d) input and output impedances both increase
Feedback Amplifiers » Exercise - 19. The shunt-derived series-fed feedback in an amplifier : (a) increases its output impedance (b) decreases its output impedance (c) increases its input impedance (d) both (b) and (c)