Basic Engineering Circuit Analysis
11th Edition
ISBN: 9781118539293
Author: J. David Irwin, R. Mark Nelms
Publisher: WILEY
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Chapter 4, Problem 28P
Show that the output of the circuit in Fig. P4.28 is 
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[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.
(H4-02) Fixed-Bias And Emitter-Bias Configuration. (BJT Configurations, BJT DC Biasing). (Course: Electronic Devices and Circuit Theory).
-Use Equation Operators or write it down on paper/digital paper.
-Redraw and Apply.
-You can add //comments for a better understanding.
-Please answer without abbreviation.
-Make it clean and clear typing/writing.
Thank you.
(H4-04) Fixed-Bias And Emitter-Bias Configuration. (BJT Configurations, BJT DC Biasing). (Course: Electronic Devices and Circuit Theory).
-Use Equation Operators or write it down on paper/digital paper.
-Redraw and Apply.
-You can add //comments for a better understanding.
-Please answer without abbreviation.
-Make it clean and clear typing/writing.
Thank you.
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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- (H4-01) Fixed-Bias And Emitter-Bias Configuration. (BJT Configurations, BJT DC Biasing). (Course: Electronic Devices and Circuit Theory). -Use Equation Operators or write it down on paper/digital paper. -Redraw and Apply. -You can add //comments for a better understanding. -Please answer without abbreviation. -Make it clean and clear typing/writing. Thank you.arrow_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_forwardFor the amplifier in Fig. P4.15, find the gain (R1=3.5 kQ, R2=27 KQ) 2 VS R₂ R₁ -OVarrow_forward
- My question is how to solve the circuit shown in d only darrow_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_forward(H4-03) Fixed-Bias And Emitter-Bias Configuration. (BJT Configurations, BJT DC Biasing). (Course: Electronic Devices and Circuit Theory). -Use Equation Operators or write it down on paper/digital paper. -Redraw and Apply. -You can add //comments for a better understanding. -Please answer without abbreviation. -Make it clean and clear typing/writing. Thank you.arrow_forward
- During the 'Introduction to Nanotechnology class', a student argues that CNFETS are better than the normal FETS (Field Effect Transistors). Do you support or oppose him/her? Justify his/her statement with suitable examples. Q4.arrow_forwardQ4: Consider the uA741C-based op-amp amplifier circuit shown below; The input voltage, Vi, is 2.5 volts. R2 is 5,000 ohms and RI is 1,000 ohms : R2 vo • What is the name of the circuit? • What is the value of the voltage at the negative input of the op-amp? • What is the value of the current through the 1 k2 resistor, in?arrow_forwardProblem 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.arrow_forward
- 4.27 Design an op-amp circuit that performs an averaging operation of five inputs v₁ to v5.arrow_forwardQ4) Consider the system shown in Figure Q3. This is a PID control of a second-order plant G(s). Assume that disturbances d(s) enter the system as shown in the diagram. It is assumed that the reference input F(s) is normally held constant, and the response characteristics to disturbances are a very important consideration in this system. d(s) F(s)- C(s) G(s) y(s) H(s) Figure Q3 1 K(as + 1)(bs + 1) G(s) C(s) = H(s) = 1 s² + 7s + 10' In the absence of the reference input i.e. F(s) = 0, derive the closed-loop transfer function between y(s) and d(s). a) b) The performance specification requires that the unit step disturbance response be such that the settling time be approximately half a second and the system has reasonable damping. We may interpret the specification as 3 = 0.8 and wn = 8 for the dominant closed-loop poles. We may choose the third pole at s = - 10 so that the effect of this real pole on the response is small. Derive the required characteristic polynomial that satisfies the…arrow_forwardQ4) For the circuit in Fig.4 find the output wave form (Vout) and the DC level and PIV if (Vr(max)=10V) 4k Ohm 5k Ohm 2k Ohmarrow_forward
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