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venkyelectrical
Asked: 2022-01-04T15:34:39+00:00 In:

D 2.52 The circuit shown in Fig. P2.52 utilizes a 50- kΩ potentiometer to realize an adjustable-gain amplifier. Derive an expression for the gain as a function of the potentiometer setting x. Assume the op amp to be ideal. What is the range of gains obtained? Show how to add a fixed resistor so that the gain range can be 1 to 21 V/V. What should the resistor value be?

D 2.52 The circuit shown in Fig. P2.52 utilizes a 50- kΩ potentiometer to realize an adjustable-gain amplifier. Derive an expression for the gain as a function of the potentiometer setting x. Assume the op amp to be ideal. What is the range of gains obtained? Show how to add a fixed resistor so that the gain range can be 1 to 21 V/V. What should the resistor value be?

D 2.52 The circuit shown in Fig. P2.52 utilizes a 50- kΩ potentiometer to realize an adjustable-gain amplifier. Derive an expression for the gain as a function of the potentiometer setting x. Assume the op amp to be ideal. What is the range of gains obtained? Show how to add a fixed resistor so that the gain range can be 1 to 21 V/V. What should the resistor value be?

microelectronics by sedra and smith 8th edition chapter 2
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