5. Show the connection of a three-stage amplifier with gains of +10, -18, and -27. Use a 270-k2 feedback resistor for all three 741 op-amp circuits. What output voltage will result for an input of 150 mV?
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- Show the connection of a three-stage amplifier with gains of +10, -18, and -27.Use a 270-kΩ feedback resistor for all three 741 op-amp circuits. What outputvoltage will result for an input of 150 mV?An op-amp-based noninverting amplifier has R1 = 15 kΩ, R2 = 30 kΩ, and RL = 20 kΩ. The op amp has an open-loop gain of 94dB , an input resistance of 30 kΩ, and an output resistance of 5 kΩ. Find the loop gain, ideal voltage gain, actual voltage gain, input resistance , and output resistance for the feedback amplifier.An amplifier is formed by cascading the three operational amplifier stages as shown. What are the voltage gain, input resistance, and outputresistance for this amplifier (a) if the op amps are ideal? (b) If the op amps have an open-loop gain of 94 dB, an input resistance of 400 kΩ, and an output resistance of 250 Ω?
- An amplifier is formed by cascading the two operational amplifier stages as shown. What are the voltage gain, input resistance, and outputresistance for this amplifier (a) if the op amps are ideal? (b) If the op amps have an open-loop gain of 106 dB, an input resistance of 300 kΩ, and an output resistance of 200 Ω? (c) Draw the new circuit and repeat (a) and (b) if the two amplifier stages are interchanged.Find the closed-loop transconductance, input resistance, and output resistance for the series-series feedback amplifier as shown if the op amp has an open-loop gain of 80 dB, an input resistance of 25kΩ , and an output resistance of 1kΩ. Assume the amplifier is driven by a signal voltage with a 10-kΩ source resistance, and the feedback network is implemented with R2=91kΩ and R1=10kΩ.Question 2 Part (A) Design an inverting amplifier with a gain of 4. Use an ideal ops amp, a 30kΩ resistorin the feedback path, and ±12V power supplies. Part (B) Using your design from part (a), determine the range of input voltages that will keepthe op amp in the linear operating regions. Part (C) Suppose you wish to amplify a 2V signal, using your design from part (a) with avariable feedback resistor. What is the largest value for the feedback resistance thatkeeps the op amp in the linear operating region? Using this resistance value, what isthe new gain of the inverting amplifier.
- A noninverting amplifier is designed with R1 = 1kΩ, R2 = 39 kΩ, and an op amp with an open-loop gain of 80 dB. What are the loop gain, closed-loop gain, ideal gain and fractional gain error of the amplifier?A certain op-amp is used in a feedback configuration having a gain of 20 and a bandwidth of 500 kHz. a)If the external resistor values are changed to increase the gain to 40, what is the new bandwidth? The new bandwidth is 250khz What is the unity-gain bandwidth of the op-amp ??An inverting amplifier is built with R2 =47kΩ and R1 = 2.4kΩ using an op amp with an open-loop gain of 100 dB, an input resistance of 300 kΩ, and an output resistance of 200 Ω. What are the closed-loop gain, input resistance, and output resistance for this amplifier? (b) Repeat if the open-loop gain is changed to 94 dB.
- A noninverting amplifier is built with R2 = 47 kΩ and R1 = 6.2k Ω using an op amp with an open-loop gain of 94 dB. What are the closed-loop gain, the gain error, and the fractional gain error for this amplifier? (b) Repeat if the open-loop gain is changed to 100 dB.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?A noninverting amplifier is built with R2 = 75 kΩ and R1 = 5.6kΩ using an op amp with an open -loop gain of 100dB, an input resistance of 500kΩ, and an output resistance of 300 Ω. What are the closed-loop gain, input resistance, and output resistance for this amplifier? (b) Repeat if the open-loop gain is changed to 94 dB.