5. If the feedback/input resistor ratio of An op-amp feedback amplifier is [your CGPA] with 1.7 V applied to the noninverting input, what is the output voltage value?
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- 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 are designing an amplifier, using an op amp. What problems are associated with using very small feedback resistances? With very large feedback resistances?Based on the plots of Vin and Vout, is the op-amp consistent with its inverting function? Justify your answer.
- 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 ?Assume an inverting amplifier with input resistance 1 kilohm and feedback resistance of 100 kilohm. If the op-amp has GBP = 1 MHz, what is the closed loop amplifier bandwidth?A noninverting amplifier is being designed to have a closed-loop gain of 36 dB. What op-amp gain is required to have the gain error less than 0.15 percent?
- 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?1. Design an inverting amplifier with a gain of 4. Use an ideal op amp, a 30 kΩ resistor in the feedback path, and ±12 V power supplies. 2. Using your design from part (a), determine the range of input voltages that will keep the op amp in its linear operating region. 3. 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?Why is there a difference between the theoretical and practical values of voltage gain in an inverting and non-inverting Op amplifier?
- An amplifier has an open-loop voltage gain of 90 dB, Rid = 50 kΩ, and Ro = 5000 Ω. The amplifier is used in a feedback configuration with a resistive feedback network. (a) What is the largest current gain that can be achieved with this feedback amplifier? (b) What is the largest transconductance that can be achieved with this feedback amplifier?Find the loop gain, ideal transconductance, actual transconductance, input resistance, and output resistance for the feedback amplifier as shown with RI =15 kΩ, RL =20 kΩ, and R1 =6kΩ.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.