Real operational amplifiers (AQA A-Level Physics): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Open-loop gain of real op-amp
Open-loop gain of real op-amp
Around
Input resistance of real op-amp
Input resistance of real op-amp
Up to
Output resistance of real op-amp
Output resistance of real op-amp
Around
Open-loop bandwidth of real op-amp
Open-loop bandwidth of real op-amp
Around Hz
Closed-loop bandwidth of real op-amp
Closed-loop bandwidth of real op-amp
Up to MHz
Current scale drawn by real op-amp input
Current scale drawn by real op-amp input
Nanoamperes
Offset voltage in real op-amp
Offset voltage in real op-amp
Small non-zero output when both inputs are grounded
Purpose of offset nulling
Purpose of offset nulling
To calibrate device and counter offset voltage
Gain-bandwidth product relationship
Gain-bandwidth product relationship
Effect of increasing gain on bandwidth
Effect of increasing gain on bandwidth
Reduces available bandwidth
