Amplifiers

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What is the cause of crossover distortion?
The Voltage is too low to turn on the MOSFETS
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How can crossover distortion be minimised?
Biasing
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What is the cause of clipping distortion?
When Vin is higher than the supply voltage for the amplifier (saturation)
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How can clipping distortion be minimised?
Decrease the gain
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What is the input resistance for an amplifer?
10M
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What is the equation for a 555 astable frequency?
F=1.44/((Ra+2Rb)C)
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How long to discharge a RC circuit to halfway?
0.69RC
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What happens after 5RC?
The capacitor is fully discharged
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What is a virtual earth?
The section of circuit maintained at 0 V by the negative feedback.
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What makes a good heat sink?
Matte black, large surface area
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What does 'gain bandwidth product' mean?
gain*product
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Other cards in this set

Card 2

Front

How can crossover distortion be minimised?

Back

Biasing

Card 3

Front

What is the cause of clipping distortion?

Back

Preview of the front of card 3

Card 4

Front

How can clipping distortion be minimised?

Back

Preview of the front of card 4

Card 5

Front

What is the input resistance for an amplifer?

Back

Preview of the front of card 5
View more cards

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