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Sketch a suitable op-amp circuit

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Reference no: EM131725530

Q1: FIGURE 1 shows the block diagram of an electronic system required to give the output

842_Block diagram.jpg

Fig 1

Vo = 8V4 + 4V3 + 2V2 + V1

(a) Sketch a suitable op-amp circuit to give the required output and show the required resistor ratios.

(b) Suggest an application for the circuit.

Q2: FIGURE 2 shows an op-amp circuit where Rp is a 10 kΩ potentiometer.

Determine the gain, Vo/Vin, of the amplifier for when
(a) x = 0
(b) x = 0.7
(c) x = 1.

1543_Circuit.jpg

Fig 2

Verified Expert

Assignment contains two questions one is digital to analog converter using operational amplifier and its applications. Second question is inverting operational amplifier having feedback as potentiometer whose resistance is varied at three values of x.I found the output at all three poditions

Reference no: EM131725530

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