A dynamic system in a negative unity feedback configuration has the root locus, shown in Fig. 1. What is the maximum damping of the dominant closed-loop poles
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- 4) For the given the amplifier circuit shown below has the following parameters: Rid = 20ks, ro = 10092, gain = μ = 107, R₁ = 1kQ2, R₁ = 2012, R₂ = 40kS2 and R3 = 2012. a) State the type of feedback topology circuit. b) Identify the feedback portion of the circuit. c) Determine R11 and R22. d) Find Bf. e) Draw the small AC equivalent circuit of the below amplifier. f) Determine Af. g) Determine Rif and Rof. VS Rin R1 R2 www I。 Rout RL R3 www WSuppose the op amp shown has an fT of 1 MHz. What is the phase margin of the amplifier?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?
- Figure Q1 shows the circuit diagram of a "Logarithmic Amplifier". In this circuit the feedback resistor of a normal inverting amplifier is replaced by a silicon diode. Since the current flowing through the diode increases exponentially with the voltage across the diode, the voltage across the diode will be proportional to the logarithm current flowing through it. Hence the output of the circuit is proportional to the logarithm of the input voltage. Q1 D1 RIN A1 VOUT RM Figure Q1 The current flowing through a diode is given by the Shockley Diode Equation: =. where I, is the current flowing through the diode q is the charge on the electron (given at the back of the examination sheet) Vp is the voltage across the diode K, is Boltzmann's constant (given at the back of the examination sheet) T is room temperature (given at the back of the examination sheet) Given that I,>>I; an approximate expression for V, as a function of I, isr:09 A moodle1.du.edu.om An application demands that sinusoidal pressure variation of 250 Hz be measured with no more than 2% dynamic error. In selecting a suitable pressure transducer from vendor catalog, you note that a desirable line of transducer has a fixed natural frequency of 500 Hz but that you have a choice of transducer damping ratio of between 0.5 and 1.5 in increments of 0.05. select a suitable transducer. The value of damping ratio is between the following values Select one: O a. 0.707 and 0.807 O b. 0.631 and 0.692 O c. 0.2356 and 0.5625 O d. 0.5215 and 0.5625 Previous page Next page 1 Aşsignmen11. Design and sketch the schematic diagram for a non-inverting amplifier with a gain of 10 using a 741 op-amp. 12. Estimate the required values of the power supply rails for the op-amp circuit in 11) if the input voltage is a sinusoidal signal v(1) = sin(2mt) V. Sketch the output voltage waveform v.(t). 13. Suppose the positive rail in 12) was mistakenly grounded. Sketch the output voltage waveform in this case. 14. Estimate the energy stored in the 10 uF capacitor below if V1 = 5 v. 8 µF 10 µF 4 µF
- Considering the amplifier gain 13 and the number 2 as N, design a Wien Bridge oscillator circuit with an oscillating frequency ((1 + N) × 1000) Hz. Draw the circuit. Show the process steps. Show the values of the circuit elements in your drawing. I would be very happy if you could be quick :)Set up the opamp circuit that performs the following operation. Plot the outputs that appear in the processes for 20 ms. The feedback resistance will be taken as 10kΩ for all circuits. The supply voltage of the opamps that perform the first three operations is ±8 V. The supply voltage of the opamp or opamps in the post-process is ±5 V. In addition, the AC signals given from the inputs have a frequency of 100 Hz. I would be very happy if you could be quick :)1. 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: a. What is the ideal gain at 200 Hz? b. What is the actual gain? c. What is the op-amp's open-loop bandwidth? 4 (Ctrl) - 44
- Given the following values and shunt-series feedback circuit below, answer the following question: The closed-loop gain of the circuit is: A. 1499.97 Ω B. 999.87 μS C. −2.49965 D. 0.99996A If an op-amp has a slew-rate of 5 V/us, find the Maximum bandwidth for a peak output voltage of: (a) 5 V. (b) 1.5 V, and (c) 0.4 V. B The gain of an amplifier without feedback is 50 V/V whereas with negative voltage feedback, it falls to 25 V/V. If after a period of time, the amplifier gain falls to 40 V/V, find the percentage reduction in overall gain: (i) Without feedback. (ii) With negative feedback.Question: An amplifier has a low-pass frequency response given by only one pole. The magnitude of the gain is 20 dB at DC and 0 dB at 118 kHz.a) What is the frequency of the pole?b) At what frequency is the phase -6°? Please comment each passage and expand every possible equation.