- 12.12.1: A particular design of the two-stage CMOS operational amplifier of ...
- 12.12.2: The CMOS op amp of Fig. 12.1 is fabricated in a process for which =...
- 12.12.3: The CMOS op amp of Fig. 12.1 is fabricated in a process for which f...
- 12.12.4: This problem is identical to 8.107. Consider the circuit in Fig. 12...
- 12.12.5: Design the two-stage CMOS op amp in Fig. 12.1 to provide a CMRR of ...
- 12.12.6: A particular implementation of the CMOS amplifier of Figs. 12.1 and...
- 12.12.7: A two-stage CMOS op amp similar to that in Fig. 12.1 is found to ha...
- 12.12.8: A CMOS op amp with the topology shown in Fig. 12.1 is designed to p...
- 12.12.9: A CMOS op amp with the topology shown in Fig. 12.1 but with a resis...
- 12.12.10: A two-stage CMOS op amp resembling that in Fig. 12.1 is found to ha...
- 12.12.11: Sketch the circuit of a two-stage CMOS amplifier having the structu...
- 12.12.12: (a) Show that the of a CMOS two-stage op amp for which all transist...
- 12.12.13: If the circuit of Fig. 12.8 utilizes 1.65-V power supplies and the ...
- 12.12.14: For the folded-cascode op amp in Fig. 12.9 utilizing power supplies...
- 12.12.15: For the folded-cascode op-amp circuit of Figs. 12.8 and 12.9 with b...
- 12.12.16: Consider a design of the cascode op amp of Fig. 12.9 for which I = ...
- 12.12.17: Consider the folded-cascode op amp of Fig. 12.8 when loaded with a ...
- 12.12.18: Design the folded-cascode circuit of Fig. 12.9 to provide voltage g...
- 12.12.19: Sketch the circuit that is complementary to that in Fig. 12.9, that...
- 12.12.20: For the circuit in Fig. 12.11, assume that all transistors are oper...
- 12.12.21: A particular design of the wide-swing current mirror of Fig. 12.12(...
- 12.12.22: For the folded-cascode circuit of Fig. 12.8, let the total capacita...
- 12.12.23: In the 741 op-amp circuit of Fig. 12.13, Q1, Q2, Q5, and Q6 are bia...
- 12.12.24: For the (mirror) bias circuit shown in Fig. E12.11 and the result v...
- 12.12.25: Transistor Q13 in the circuit of Fig. 12.13 consists, in effect, of...
- 12.12.26: In the circuit of Fig. 12.13, Q1 and Q2 exhibit emitterbase breakdo...
- 12.12.27: Figure P12.27 shows the CMOS version of the circuit in Fig. E12.11....
- 12.12.28: For the 741 circuit, estimate the input reference current IREF in t...
- 12.12.29: Design the Widlar current source of Fig. 12.14 to generate a curren...
- 12.12.30: Consider the dc analysis of the 741 input stage shown in Fig. 12.15...
- 12.12.31: Consider the dc analysis of the 741 input stage shown in Fig. 12.15...
- 12.12.32: For the mirror circuit shown in Fig. 12.16 with the bias and compon...
- 12.12.33: It is required to redesign the circuit of Fig. 12.16 by selecting a...
- 12.12.34: Consider the input circuit of the 741 op amp of Fig. 12.13 when the...
- 12.12.35: For a particular application, consideration is being given to selec...
- 12.12.36: A manufacturing problem in a 741 op amp causes the current transfer...
- 12.12.37: Consider the design of the second stage of the 741. What value of R...
- 12.12.38: Reconsider the 741 output stage as shown in Fig. 12.17, in which R1...
- 12.12.39: An alternative approach to providing the voltage drop needed to bia...
- 12.12.40: For the circuit of Fig. 12.13, what is the total current required f...
- 12.12.41: Consider the 741 input stage as modeled in Fig. 12.18, with two add...
- 12.12.42: What relatively simple change can be made to the mirror load of sta...
- 12.12.43: Repeat Exercise 12.15 with R1 = R2 replaced by 2-k resistors.
- 12.12.44: In Example 12.3 we investigated the effect of a mismatch between R1...
- 12.12.45: Through a processing imperfection, the of Q4 in Fig. 12.13 is reduc...
- 12.12.46: Consider the circuit of Fig. 12.13 modified to include resistors R ...
- 12.12.47: What is the effect on the differential gain of the 741 op amp of sh...
- 12.12.48: It is required to show that the loop gain of the common-mode feedba...
- 12.12.49: An alternative approach to that presented in Example 12.4 for deter...
- 12.12.50: Consider a variation on the design of the 741 second stage in which...
- 12.12.51: In the analysis of the 741 second stage, note that Ro2 is affected ...
- 12.12.52: For a 741 employing 5-V supplies, and , find the output voltage lim...
- 12.12.53: Consider an alternative to the present 741 output stage in which Q2...
- 12.12.54: Consider the positive current-limiting circuit involving Q13A, Q15,...
- 12.12.55: Consider the 741 sinking-current limit involving R7, Q21, Q24, R11,...
- 12.12.56: Using the data provided in Eq. (12.112) (alone) for the overall gai...
- 12.12.57: A 741 op amp has a phase margin of 75. If the excess phase shift is...
- 12.12.58: A 741 op amp has a phase margin of 75. If the op amp has nearly coi...
- 12.12.59: For a modified 741 whose second pole is at 5 MHz, what dominant-pol...
- 12.12.60: An internally compensated op amp having an ft of 10 MHz and dc gain...
- 12.12.61: Consider the integrator op-amp model shown in Fig. 12.33. For Gm1 =...
- 12.12.62: For an amplifier with a slew rate of 10 V/s, what is the full-power...
- 12.12.63: Figure P12.63 shows a circuit suitable for opamp applications. For ...
- 12.12.64: Design the circuit in Fig. 12.38 to generate a current I = 6 A. Uti...
- 12.12.65: Consider the circuit of Fig. 12.38 for the case designed in Exercis...
- 12.12.66: (a) Find the input common-mode range of the circuit in Fig. 12.40(a...
- 12.12.67: For the circuit in Fig. 12.40(b), let V, V, I = 20 A, and . Find th...
- 12.12.68: For the circuit in Fig. 12.41, let V, V, and A. Find that results i...
- 12.12.69: It is required to find the input resistance and the voltage gain of...
- 12.12.70: Consider the equivalent half-circuit shown in Fig. 12.43. Assume th...
- 12.12.71: (a) For the circuit in Fig. 12.44, show that the loop gain of the c...
- 12.12.72: The output stage in Fig. 12.46 operates at a quiescent current of 0...
- 12.12.73: It is required to derive the expressions in Eqs. (12.132) and (12.1...
- 12.12.74: It is required to derive the expression for in Eq. (12.134). Toward...
- 12.12.75: For the output stage in Fig. 12.48, find the current that results i...

# Solutions for Chapter 12: Microelectronic Circuits 6th Edition

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ISBN: 9780195323030

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