9. If the upper critical frequency of a low frequency amplifier is 200 Hz, its bandwidth is: a) O Hz. b) 0.2 kHz e) 400 Hz d) infinity 10. The bandwidth of an ideal op-amp is: a) Very small b) Very large e) Not known d) Infinity 11. The closed loop gain of a summine Plpul resistance of 10 Mega ohm and feedback pproximately:

9. If the upper critical frequency of a low frequency amplifier is 200 Hz, its bandwidth is: a) O Hz. b) 0.2 kHz e) 400 Hz d) infinity 10. The bandwidth of an ideal op-amp is: a) Very small b) Very large e) Not known d) Infinity 11. The closed loop gain of a summine Plpul resistance of 10 Mega ohm and feedback pproximately:

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Similar questions

An inverting op – amplifier stage is designed with an input resistance of 5 KΩ and feedback resistance of 10 KΩ. The load resistance is 100 Ω with DC gain of 5x10^4 . The output internal resistance is 500 Ω while the input impedance is infinity, assuming an input voltage of 1.5 volts, calculate the following ?a) The AC gain ?b) The output voltage ?c) The looking back resistance ?
Please answer this two part question A) It is known that when an Op-amp is operated using the negative feedbackconfiguration, the output impedance reduces. Derive an expression that proves this. B) It is known that when an Op-amp is operated using the positive feedbackconfiguration, the output impedance increase. Derive an expression that proves this.
Based on the plots of Vin and Vout, is the op-amp consistent with its inverting function? Justify your answer.
Suppose that we are designing an amplifier, using an op amp. What problems are associated with using very small feedback resistances? With very large feedback resistances?
Suppose the op amp shown has an fT of 3 MHz. What is the phase margin of the ampliﬁer?
a) Design an inverting amplifier with a gain of 4. Use an ideal op amp, a 30 kohm resistor in the feedback path, and +-12 v power supplies. b) Using your design from part a, determine the range of input voltages that will keep the op amp in it's linear operating region. c) suppose you wish to amplify a 2 V signal, using your design from part a, with a variable feedback resistor. What is the largest value of feedback resistance that keeps the op amp in its linear operation region? Using this resistor value, what is the new gain of the inverting amplifier?
Question 3: Please write answers to all parts of the question in the separate dot points as shown What is the circuit called? Discuss all components including voltage sources. Which components determine the closed-loop gain of the circuit? Describe the slew-rate of the op-amp. Describe the Common-Mode-Rejection ratio of the op-amp? What is the unity gain bandwidth? Describe the gain bandwidth product (GBP). Describe the GBP relationship between the break (critical) frequency and the gain? What two methods calculate the max frequency? If one produces a higher value of maximum frequency than the other, which would you use as the maximum frequency?
An op amp has a dc gain of 100 dB and a unity-gain frequency of 10 MHz. (a) What is the bandwidth of the op amp? (b) If the op amp is used to build a noninverting ampliﬁer with a closed loop gain of 60 dB, what is the bandwidth of the feedback ampliﬁer? (c) Write an expression for the transfer function of the op amp. (d) Write an expression for the transfer function of the noninverting ampliﬁer.
1. A non-inverting op-amp circuit has the open loop gain of 105 and the resistances R1 = 1k Ω and R2 = 39k Ω . Calculate (a) The actual value of voltage gain, (b) Considering the finite open loop gain, the ideal value of gain, and (c) The percentage error, when ideal voltage gain is compared with actual voltage gain.
Assume for a moment that perfectly accurate resistors were available for feedback networks; that is resistor tolerance is 0%. Then any deviation from the value set by the feedback resistor ratio is caused by insufficient raw op-amp gain. What minimum raw gain would be needed to get within 1% if an intended overall gain of 10? What if the intended gain is 100 instead?
Suppose that we want to design an amplifier that can produce a 100-kHz sine-wave output having a peak amplitude of 5 V. What is the minimum slew-rate specification allowed for the op amp?
The upper critical frequency of an op-amp’s open-loop response is 200 Hz. If the midrange gain is 175,000, answer the following: What is the ideal gain at 200 Hz? What is the actual gain? What is the op-amp’s open-loop bandwidth?