Operational Amplifier » Exercise - 118. Negative feedback .... (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
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)
Operational Amplifier » Exercise - 120. If feedback resistor in Q.15 is open, the voltage gain ........... (a) increases (b) decreases (c) is not affected (d) depends on R
5555555555127. As the supply voltage increases, the voltage gain of the circuit ________ and the power consumption ________. (a) increases, increases (b) increases, decreases (c) decreases, decreases (d) decreases, increases