For the shown system, Use the Routh criterion to determine the range of stability relative to the gain K. Note that Kis always positive K>0. Type a, b, c, d, e or f R(s) C(s) K(s - 2)(s – 1) s3 + 4s2 + 6s + 4 a) 0 < K < 1.57 b) K > 4 c) 1< K < 2 d) K > 1.57 e) 4
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- Which of the following statement(s) is true for a gain response technique A. The breakaway point starts at a finite pole B. The break away point is always on the real axis C. The break away and break in points can be on the real axis D. The break in point is always at a finite zero E. The break in point can be complexQ_. A simple comparator and a Schmitt trigger are shown in Figures 2(a) and _(b). The maximum output voltage, Vmax, can switch between -10 V and ! 10 V for both circuits. The lower and upper trigger levels of the Schmitt trigger are -1 V and 12 V, respectively. a) b) Based on the information given above, sketch the transfer characteristics for both circuits. +2V Show that the hysteresis of the Schmitt trigger of Figure 2(b) can be expressed as c) Using the parameters provided above, determine the ratio of R₂/R₁ for the circuit of Figure 2(b). 1₂ Vhys = Figure 2(a) 2.R₁-Vmax R₁ + R₂ V₂ KŲ +0.6V R₂ Figure 2(b) Tºv.Please provide Handwritten answer. Electrical Engineering what is the Rin, Rout, gain in those examples
- Construct the Signal Flow Graph for the block diagram shown in Figure 1 below. G5 GI G2 G3 G4 H2 H3 Figure 1 : Block diagram for Assignment 1Prob 1: For each of the 8 circuits below, draw small signal model and calculate Vout/Vin. Vb1, Vb2 are dc voltage sources. and I1 is an ideal dc current source. Ignore body effect for all problems. Vino M3 M₂ M₁ (a) VDD J Vb₁ M3 (e) VDD VinM₂ Vb2M₁ Vb3 Vb2 - Vout Vb1 Vout HE Vout o Vb₁ VinM₂ 46! M3 (b) VDD B M₁ T. M3H (f) VDD VinM₁ M₂ Vout VinM₂ 4M₁ (c) M3 M3 VDD VDD 74 Vb1M₂ Vino M₁ (g) Vout Vout Vb1 Vb2 HE Vin VinM₂ M3 M3 VDD (d) HL M₁ M₁ -o Vout M2o Vout 1₁ (h) VDDA step up chopper has load voltage of 600V and is sup- plied from a constant de source of 150V. If the OFF time of the chopper is 40 us and desired output voltage is 300V find ON time of the chopper? (A) 5 µsec (C) 30 μsec (B) 10 μsec (D) 40 usec
- 0.02 (e) The responses in the figure below are for a unit step change in the disturbance with just P-control. One of the responses used a controller gain of Ke = 5 and the other used a controller gain of Ke = 8. Match the controller gains with the responses. Response to a Unit Step Change in Disturbance With P-Control 0.07 Response 1 --- Response 2 0.06 0.05 H 2 0.04H S 0.03 0.01 5 10 15 20 Time (min) (f) The responses in the figure below are for a unit step change in set point with a PI controller. The gain is the same for both responses but one response uses an integral time of ti = 1 min and the other uses an integral time of t = 2 min. Match the integral times for the PI controllers with the responses. r Response to a Unit Step Change in Set Point With Pl-Control 1. Respanse 1 --- Respanse 2 1.4 1.2 0.8 O 0.6- 0.4 0.2H 10 15 20 Time (min) (h) Determine the missing information for the sensor system in the following table. The output for the sensor system is a mA signal. Range Zero…Given a three-stage system with an input power Pin = -26 dBm and power gain of the three stages of AP1 = 23 dB, AP2 = 1.995 , AP3 = 16 dB, determine, the total gain in dB __________ , the output power (Pout ) in dB __________ and find the output voltage in dBmV ____________ if RL = 2 kΩ.Paga No. Date play computars, lectronic and vothar An RLC cireuit cau be The electric circuit important role in lange can notwarks in branches usedas y engineering. Dand- pass Jilter, high pass filltan . The Ric lilteris described as a socond arder circuit, band-stop fillken, low -pars filtor. or that meaning any voltage er curront in qthe sorand order Sdescribe by diffprenial coquation in cirauit analysis .Onesuch LCŔ series cincuit is considered here with R=2 circuit can be a L=l Henri, C=LF and E=4.4 sin Clot)valta. a State damped, whether the circuit zopresents the ovee ne underdamped or enitically dampad. cases ? Assuming the initial current cand the change is zeng Sind the charge 2 current in the eircuit aut au instaut y time t. O Write the steady change on the plati of capacitor. A Weite ghe dransient slution for the charge,
- Derive the expression of the input impedance for small-signal equivalent circuit. (R1=5 k2, R2=10 k2, r=10 k2) Vcc R1 Rin A) Rin= R1 + R2 + r. %3D Rin = (R1 // R2 // r.) (B) Rin = (R1+R2) // r- Rin = R1+(R2 // r7) D)The N-bit D/A converter with an R - 2R ladder network in Figure is to be design a 6-bit D/A device. Let Vref = -5V and R = R = 10km. a) Determine all currents? b) The input changes by 1 LSB. What is the change in the output voltage? c) What is the output voltage if the input is 010011? d) What is the change in output voltage if the input changes from 101010 to 01010 R Vrel R www ww 1₁ 2R b₁ MSB 2R R 2R www R ww 2R R www 2R 16 bo ZR ww 2R LSB R,= R ww Mia SInput signals are given as V1 = 3sin(wt), V2 = 2sin(wt) ve V3 = 1sin(wt) in circuit. a) Find equation that expresses output signal in terms of input signals. b) Write sinuzoidal expression of output signal