Mismatched transistors in the input stage

High output impedance

Low common-mode gain

Temperature stability

The average of the two input bias currents

The difference between the two input bias currents

The current flowing through the output stage

The current required to null the output voltage

Change in output voltage due to input signal changes

Change in input offset voltage per unit change in DC supply voltage

Change in open-loop gain with frequency

Change in output impedance with load resistance

It reduces the input impedance

It causes distortion in the output signal at high frequencies

It increases the open-loop gain

It eliminates the need for feedback

To increase the open-loop gain

To shift the open-loop response and reduce bandwidth for stability

To eliminate the input bias current

To increase the output impedance

To increase the input offset voltage

To stabilize the gain and reduce distortion by feeding the output signal back to the inverting input

To amplify the noise in the circuit

To reverse the polarity of the output signal

The frequency at which the closed-loop gain is zero

The product of the midrange open-loop gain and the critical frequency

The frequency at which the open-loop gain is unity

The maximum output voltage swing

0°

45°

90°

180°

45°

90°

135°

180°