Amplifiers 0.0 / 5 ? ElectronicsAmplifiersA2/A-levelAQA Created by: steven.eyresCreated on: 24-03-17 10:56 What is the cause of crossover distortion? The Voltage is too low to turn on the MOSFETS 1 of 11 How can crossover distortion be minimised? Biasing 2 of 11 What is the cause of clipping distortion? When Vin is higher than the supply voltage for the amplifier (saturation) 3 of 11 How can clipping distortion be minimised? Decrease the gain 4 of 11 What is the input resistance for an amplifer? 10M 5 of 11 What is the equation for a 555 astable frequency? F=1.44/((Ra+2Rb)C) 6 of 11 How long to discharge a RC circuit to halfway? 0.69RC 7 of 11 What happens after 5RC? The capacitor is fully discharged 8 of 11 What is a virtual earth? The section of circuit maintained at 0 V by the negative feedback. 9 of 11 What makes a good heat sink? Matte black, large surface area 10 of 11 What does 'gain bandwidth product' mean? gain*product 11 of 11
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