Real operational amplifiers (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the typical open-loop gain of a real operational amplifier?
What is the typical open-loop gain of a real operational amplifier?
Around
What is the typical input resistance for a real op-amp?
What is the typical input resistance for a real op-amp?
Up to
What is the typical output resistance of a real operational amplifier?
What is the typical output resistance of a real operational amplifier?
Around
What is the typical open-loop bandwidth of a real op-amp?
What is the typical open-loop bandwidth of a real op-amp?
Around Hz
What is offset voltage in a real op-amp?
What is offset voltage in a real op-amp?
Small non-zero output when inputs grounded
What is the relationship between gain and bandwidth in the gain-bandwidth product?
What is the relationship between gain and bandwidth in the gain-bandwidth product?
Increasing gain reduces bandwidth
What is the break frequency in an op-amp's frequency response?
What is the break frequency in an op-amp's frequency response?
Point where gain begins to drop
How are frequency response curves for op-amps typically plotted?
How are frequency response curves for op-amps typically plotted?
Logarithmic scale
What effect does negative feedback have on a real op-amp's output resistance?
What effect does negative feedback have on a real op-amp's output resistance?
Decreases it
If gain is and gain-bandwidth product is , what is the break frequency?
If gain is and gain-bandwidth product is , what is the break frequency?
Hz