5.9. Summing amplifier problem. The summing amplifier in Figure 5.30. needs to have the following voltage gains: Votr/VIN1 = -10.0, Vour/ Vin2 = -5.0, and Vout/VIN3 = -1.0. If R2 = 22 kM, find the require exact values for all other resistors to provide the required voltage gains. R1 VINI W R2 VIN2 W Rf R3 VJ VIN3 VOUT (sum) Figure 5.30 Summing amplifier with three inputs.

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5.9. Summing amplifier problem. The summing amplifier in Figure 5.30. needs to have the following
voltage gains: Votr/VIN1 = -10.0, Vour/ Vin2 = -5.0, and Vour/ViN3 = -1.0. If R2 = 22 kM, find the required
exact values for all other resistors to provide the required voltage gains.
R1
VINI W
R2
VIN2 W
Rf
R3
VJ
VIN3
VOUT (sum)
Figure 5.30 Summing amplifier with three inputs.
Transcribed Image Text:5.9. Summing amplifier problem. The summing amplifier in Figure 5.30. needs to have the following voltage gains: Votr/VIN1 = -10.0, Vour/ Vin2 = -5.0, and Vour/ViN3 = -1.0. If R2 = 22 kM, find the required exact values for all other resistors to provide the required voltage gains. R1 VINI W R2 VIN2 W Rf R3 VJ VIN3 VOUT (sum) Figure 5.30 Summing amplifier with three inputs.
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