Basic Engineering Circuit Analysis
11th Edition
ISBN: 9781118539293
Author: J. David Irwin, R. Mark Nelms
Publisher: WILEY
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Chapter 4, Problem 32P
To determine
The expression for
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Find the voltage gain of the op-amp circuit shown in Fig. P4.30.
(R1-20 KQ, R2-84 k0, R3-4 k0, R4-30 KQ)
V₁
R1
ww
Figure P4.30
R2
ww
R3
ww
R4
V
Problem 4.17: You have access to resistors with values 1 k2, 1.5 kn, and 5.0 k2.
You have a voltage signal from a transducer with a maximum voltage of 0.2 V. Using a
noninverting op amp configuration, what maximum output voltages could you provide
with the combinations of these resistors? Sketch your op amp circuit options.
For the amplifier in Fig. P4.15, find the gain
(R1=3.5 kQ, R2=27 KQ)
2
VS
R₂
R₁
-OV
Chapter 4 Solutions
Basic Engineering Circuit Analysis
Ch. 4 - An amplifier has a gain of 15 and the input...Ch. 4 - An amplifier has a gain of 5 and the output...Ch. 4 - An op-amp based amplifier has supply voltages of...Ch. 4 - For an ideal op-amp, the voltage gain and input...Ch. 4 - Revisit your answers in Problem 4.4 under the...Ch. 4 - Revisit the exact analysis of the inverting...Ch. 4 - Revisit the exact analysis of the inverting...Ch. 4 - An op-amp based amplifier has 18V supplies and a...Ch. 4 - Assuming an ideal op-amp, determine the voltage...Ch. 4 - Assuming an ideal op-amp, determine the voltage...
Ch. 4 - Assuming an ideal op-amp in Fig. P4.11, determine...Ch. 4 - Assuming an ideal op-amp, find the voltage gain of...Ch. 4 - Assuming an ideal op-amp in Fig. P4.13, determine...Ch. 4 - Determine the gain of the amplifier in Fig. P4.14....Ch. 4 - For the amplifier in Fig. P4.15, find the gain and...Ch. 4 - Using the ideal op-amp assumptions, determine the...Ch. 4 - Using the ideal op-amp assumptions, determine...Ch. 4 - In a useful application, the amplifier drives a...Ch. 4 - The op-amp in the amplifier in Fig. P4.19 operates...Ch. 4 - For the amplifier in Fig. P4.20, the maximum value...Ch. 4 - For the circuit in Fig. P4.21, (a) find Vo in...Ch. 4 - Find Vo in the circuit in Fig. P4.22, assuming...Ch. 4 - The network in Fig. P4.23 is a current-to-voltage...Ch. 4 - Prob. 24PCh. 4 - Determine the relationship between v1 and io in...Ch. 4 - Find Vo in the network in Fig. P4.26 and explain...Ch. 4 - Determine the expression for vo in the network in...Ch. 4 - Show that the output of the circuit in Fig. P4.28...Ch. 4 - Find vo in the network in Fig. P4.29.Ch. 4 - Find the voltage gain of the op-amp circuit shown...Ch. 4 - Determine the relationship between and in the...Ch. 4 - Prob. 32PCh. 4 - For the circuit in Fig. P4.33, find the value of...Ch. 4 - Find Vo in the circuit in Fig. P4.34.Ch. 4 - Find Vo in the circuit in Fig. P4.35.Ch. 4 - Determine the expression for the output voltage,...Ch. 4 - Determine the output voltage, of the noninverting...Ch. 4 - Find the input/output relationship for the current...Ch. 4 - Find V0 in the circuit in Fig. P4.39.Ch. 4 - Find Vo in the circuit in Fig. P4.40.Ch. 4 - Find the expression for in the differential...Ch. 4 - Find vo in the circuit in Fig. P4.42.Ch. 4 - Find the output voltage, vo, in the circuit in...Ch. 4 - The electronic ammeter in Example 4.7 has been...Ch. 4 - Given the summing amplifier shown in Fig. 4PFE-l,...Ch. 4 - Determine the output voltage V0 of the summing...Ch. 4 - What is the output voltage V0 in Fig. 4PFE-3. a....Ch. 4 - What value of Rf in the op-amp circuit of Fig....Ch. 4 - What is the voltage Vo in the circuit in Fig....
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- 4.27 Design an op-amp circuit that performs an averaging operation of five inputs v₁ to v5.arrow_forward4.17 Using the ideal op-amp assumptions, determine I₁, I₂, and I3 in Fig. P4.17. 1 mA Figure P4.17 m R₁ 1₁ 13 12 ww R₂ Voarrow_forward(Q4.1) Determine the voltage gain G1=vO1/vS: (Q4.2) Determine the voltage gain G2=vO/vS:arrow_forward
- 4.17 Using the ideal op-amp assumptions, determine I₁, I2, and 13 in Fig. P4.17. 1 mA (₁ M R₁ Figure P4.17 13 1₂2 www R₂ It -1₁ OV₂arrow_forward4.90 A reverse-biased photodiode is specified to have a dark current of 100 pA and a responsivity of 0.5 A/W. It is connected to the transresistance amplifier shown in Fig. P4.90. Assume an ideal op amp. (a) What is the reverse-bias voltage across the photodiode? (b) What is the output voltage vo with no illumination? (c) What is the output voltage vo with 10 µW of light incident on the photodiode? 250 kN On o +3 V. Figure P4.90 Hint: since we are assuming an ideal op amp, there is a virtual short-circuit between input terminals.arrow_forwardMy question is how to solve the circuit shown in d only darrow_forward
- OBJECTIVE 4-1 LINEAR ACTIVE CIRCUITS (SECTS. 4-1, AND 4-2) Given a linear resistance circuit containing dependent sources, find selected output signals, input-output relationships, or input-output resistances. See Examples 4-1 to 4-11 and Exercises 4-1 to 4-14. 4- Find the voltage gain vo/0s and current gain ilm Fige P4-1 for r=15 km2. VS 100 2 300 $2 FIGURE P4-1 250 Ω ww 1+ ri, 1 kovo 4-2 Find the voltage gain vo/v₁ and the current gain in/is in the voltage gain vo/us in Figure P4-4. Vs VX Vs Rp W Rs w FIGURE P4-4 4-5 Find an expression for the current gain io/is in Figure P4-5. SS io E FIGURE P4-5 RK W -0 ριξ να H₂VY PIE Rcarrow_forward[Q4A] Design a circuit based on op-amp of 30 mA output which used to drive five LEDs each one need 20 mA to work and ensure the LEDs (ON) even if one of LEDs broken or damage. Then explain why you chosen this circuit and how this circuit works. (8 points)arrow_forwardhand written plzzarrow_forward
- [Q4A] Design a circuit based on op-amp of 30 mA output which used to drive five LEDs each one need 20 mA to work and ensure the LEDs (ON) even if one of LEDs broken or damage. Then explain why you chosen this circuit and how this circuit works.arrow_forward9 + R₂ 2 www R₁ Figure Q4.b(ii) 1) Draw the compete circuit with the op-amp included. 2) Obtain equations for the contribution made by each of the bias current sources IBp, IBn and the voltage offset source Vos to the output voltage Vo. 3) Suggest how the value chosen for R3 will be related to R₁ and R₂.arrow_forwardElaborate on this sentence with diagrams if necessary: Inverting comparator, it produces one ofthe two values +Vsat and −Vsat at theoutput based on the values of its inputvoltage Vi and the reference voltageVref.arrow_forward
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