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R VEE HH .15V 15V VCC VEE 54 -15V U1 VTRI R1 Vx R2 -w VCC 741 15V U2 LM301AN VSQ Figure 1 1. In your own words, explain how this circuit works. For example, assume that the comparator has just switched to one of its two stable states. Then check what the integrator will do in response to this comparator state and whether or not the integrator output will eventually cause another change in the comparator state. Repeat this qualitative analysis and check if the circuit will return to the state from which you began your analysis. 2. Sketch (to scale) the waveforms of VSQ, VTRI, and VX. 3. Derive an expression for the frequency of the output waveforms in terms of R1, R2, R, and C. 4. Using two op-amps (LM 301 and µA741), design a function generator circuit that meets the following specifications: (a) Triangular wave output of ±2 V. (b) Square wave output of ±10 V. (c) Frequency: 100 Hz All resistor values should be ≥ 1 k. 5. Which resistor can be used as a frequency control without affecting the triangle wave amplitude? What value would give a frequency of 500 Hz?

R VEE HH .15V 15V VCC VEE 54 -15V U1 VTRI R1 Vx R2 -w VCC 741 15V U2 LM301AN VSQ Figure 1 1. In your own words, explain how this circuit works. For example, assume that the comparator has just switched to one of its two stable states. Then check what the integrator will do in response to this comparator state and whether or not the integrator output will eventually cause another change in the comparator state. Repeat this qualitative analysis and check if the circuit will return to the state from which you began your analysis. 2. Sketch (to scale) the waveforms of VSQ, VTRI, and VX. 3. Derive an expression for the frequency of the output waveforms in terms of R1, R2, R, and C. 4. Using two op-amps (LM 301 and µA741), design a function generator circuit that meets the following specifications: (a) Triangular wave output of ±2 V. (b) Square wave output of ±10 V. (c) Frequency: 100 Hz All resistor values should be ≥ 1 k. 5. Which resistor can be used as a frequency control without affecting the triangle wave amplitude? What value would give a frequency of 500 Hz?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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R VEE HH .15V 15V VCC VEE 54 -15V U1 VTRI R1 Vx R2 -w VCC 741 15V U2 LM301AN VSQ Figure 1 1. In your own words, explain how this circuit works. For example, assume that the comparator has just switched to one of its two stable states. Then check what the integrator will do in response to this comparator state and whether or not the integrator output will eventually cause another change in the comparator state. Repeat this qualitative analysis and check if the circuit will return to the state from which you began your analysis. 2. Sketch (to scale) the waveforms of VSQ, VTRI, and VX. 3. Derive an expression for the frequency of the output waveforms in terms of R1, R2, R, and C. 4. Using two op-amps (LM 301 and µA741), design a function generator circuit that meets the following specifications: (a) Triangular wave output of ±2 V. (b) Square wave output of ±10 V. (c) Frequency: 100 Hz All resistor values should be ≥ 1 k. 5. Which resistor can be used as a frequency control without affecting the triangle wave amplitude? What value would give a frequency of 500 Hz?
Transcribed Image Text:R VEE HH .15V 15V VCC VEE 54 -15V U1 VTRI R1 Vx R2 -w VCC 741 15V U2 LM301AN VSQ Figure 1 1. In your own words, explain how this circuit works. For example, assume that the comparator has just switched to one of its two stable states. Then check what the integrator will do in response to this comparator state and whether or not the integrator output will eventually cause another change in the comparator state. Repeat this qualitative analysis and check if the circuit will return to the state from which you began your analysis. 2. Sketch (to scale) the waveforms of VSQ, VTRI, and VX. 3. Derive an expression for the frequency of the output waveforms in terms of R1, R2, R, and C. 4. Using two op-amps (LM 301 and µA741), design a function generator circuit that meets the following specifications: (a) Triangular wave output of ±2 V. (b) Square wave output of ±10 V. (c) Frequency: 100 Hz All resistor values should be ≥ 1 k. 5. Which resistor can be used as a frequency control without affecting the triangle wave amplitude? What value would give a frequency of 500 Hz?
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