Operation amplifiers (op amps)

Question 1

What is an amplifier?

Answer 1

something that reproduces a signal whilst multiplying the voltage, current or both

Question 2

What is the ‘gain’?

Answer 2

What multiplier that you multiply the input signal with

Question 3

What makes up the ‘ideal’ op amp?

Answer 3

-infinite gain
-infinite input resistance
-zero output resistance
-output of zero when the inputs are identical

Question 4

What does it mean when an op amp is ‘saturated’?

Answer 4

the v(out) is limited by the supply voltage