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QUESTION 4: Refer to Figure 13.11 that shows the ac equivalent circuit of the gain stage of 741 op-amp. Given that β = 200 and IC17 = 0.6705 mA. Find input resistance of the gain stage (i.e. Ri2) when R8 = 0 Ω. IC16 (μA) Format : 88.4759 rπ16 (kΩ) Format : 867.6090708423 rπ17 (kΩ) Format : 3.7294032856343 Ri2 (MΩ) Format :3.9224798448834 Figure 13.11

QUESTION 4: Refer to Figure 13.11 that shows the ac equivalent circuit of the gain stage of 741 op-amp. Given that β = 200 and IC17 = 0.6705 mA. Find input resistance of the gain stage (i.e. Ri2) when R8 = 0 Ω. IC16 (μA) Format : 88.4759 rπ16 (kΩ) Format : 867.6090708423 rπ17 (kΩ) Format : 3.7294032856343 Ri2 (MΩ) Format :3.9224798448834 Figure 13.11

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QUESTION 4: Refer to Figure 13.11 that shows the ac equivalent circuit of the gain stage of 741 op-amp. Given that β = 200 and I C 17 = 0.6705 m A . Find input resistance of the gain stage (i.e. R i 2 ) when R 8 = 0 Ω .
I C 16 ( μ A ) ◻ Format : 88.4759 r π 16 ( k Ω ) ◻ Format : 867.6090708423 r π 17 ( k Ω ) ◻ Format : 3.7294032856343 R i 2 ( M Ω ) ◻ Format : 3.9224798448834
Figure 13.11

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QUESTION 7: Figure 13.11 shows the ac equivalent circuit of the gain stage of 741 op-amp. Gain for the gain stage (i.e. Av2) can be calculated using equation given below the Figure 13.11. Given that βn = 200, R8 = 0 Ω, Ri3 = 4.5 MΩ, Ract2 = 71.454090746695 kΩ, and bias current IC17 = 0.69975 mA. Calculate the gain of the gain stage (i.e. AV2). Ri2(MΩ) Format : 2.2947457985556 R017(kΩ) Format : 52.558070797438 AV2(V/V) Format: -977.58272576696 Figure 13.11 Av2 = vo2 vo1 = −βn(1 + βn)R9(Ract2∥Ri3∥Ro17) Ri2{R9 + [rπ17 + (1 + βn)R8]}
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QUESTION 7: Figure 13.11 shows the ac equivalent circuit of the gain stage of 741 op-amp. Gain for the gain stage (i. e. Av2) can be calculated using equation given below the Figure 13.11. Given that βn = 200, R8 = 0 Ω, Ri3 = 4.5 MΩ, Ract2 = 74.404761904762 kΩ, and bias current IC17 = 0.672 mA. Calculate the gain of the gain stage (i.e. Av2). Ri2(MΩ) Format : 7.2795939423957 Ro17 (kΩ) Format : 76.708475809295 Av2 (V/V) Format : −765.70604502993 Format: 7.2795939423957 Ro17 (kΩ) Format : 76.708475809295 Av2 (V/V) Format : -765.70604502993 Figure 13.11 Av2 = vo2 vo1 = −βn(1 + βn)R9(Ract2∥Ri3∥Ro17) Ri2{R9 + [rπ17 + (1 + βn)R8]}
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QUESTION 3: Figure 13.10 shows AC equivalent circuit for 741 Input Stage. Given that β = 200, VA = 50 V, IC1 = 8.9 μA, R2 = 2 kΩ, and Ri2 = 3.231 MΩ find Ad = v01/vd = −gm2(ro4∥Ract1∥Ri2). gm2 (mA/V) ro4 (MΩ) Format: 0.33520245450558 Ract1 (MΩ). 9396528790963 Ad(V/V) Format : 6.3840508097726 Format : −556.6752944579 Format : 0.33520245450558 ro4 (MΩ ) Format : 5.9396528790963 Ract1 (MΩ ) Format: 6.3840508097726 Ad (V/V) Format : -556.6752944579 Figure 13.10
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