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1 markOperational Amplifiers

CAPE Physics Unit 2 · 2005 · Paper 2 · Question 2(d)(i)

What is the bandwidth of the amplifier?

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Other parts of this question

  1. 2(a)What is the gain of this amplifier at low frequencies?[1 mark]
  2. 2(b)Using the CRO display where the output sensitivity is 1 V/div and input is 10 mV/div, calculate the gain, A, of the amplifier for this frequency.[3 marks]
  3. 2(c)The graph on page 8 shows experimental gain data against frequency. Use the graph to complete Table 2.[3 marks]
  4. 2(d)(ii)If the value of input resistance R_1 is changed to 1.0 kOmega, state how the low frequency gain and bandwidth of the amplifier will change.[2 marks]

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