Consider the following open loop transfer function: 10 G(s) = K- %3D 2.5 9) With this choice of wm and a, what is the phase margin of the compensated system?
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- Which of the following method is used to find the stability of closed loop system without finding the roots of the closed loop system? a-Bode Plot b-Root Locus Method c-Nyquist Stability Criterion d-Routh Hurwitz CriterionExampleUnder clear-sky conditions, the downlink[C/N] is 20 dB, the effective noise temperatureof the receiving system being 400 K. if the rainattenuation is 1.9 dB, calculate the new [C/N].Assume the medium temperature of 290K andthe coupling coefficient is 100%.i) Which type of compensator is used for feeding reactive power at the receiving end? Draw its block diagram. (ii) What is lag-lead compensator? Draw its circuit diagram and derive the expression for the transfer function of lag-lead compensator.
- Using Thevenin and Norton Theorem, calculate the theoretical values of RTH, RN, Voc, and IscThis is about two points, (x1,y1) and (x2,y2), on a straight line whose slope is given in dB/decade. The x-axis is log and the y-axis is linear. Find y2 in dB given: y1=35 dB, x1=20, x2=23, slope=63 dB/decade.What is the bandwidth of the system?
- 1. You are given an equation: 100 cos[(2π×10^5t) + 35 cos(100πt)]. From this expression, Determine the: a)peak frequency deviation b) carrier swing c)practical bandwidth d) Carson’s rule bandwidth Please put the corresponding item(letters a-d) to categorize the answers/solution.Suppose the noise power at the input to a receiver is 5 nW in the bandwidth of interest. What would be the required signal power for signal–to–noise ratio of 30 dB? full solution thank you for the help!An impedance coil having a resistance of 30 ohms and a 50 cps inductive reactance of 33.3 ohmsis connected to a 125 volt 60 cps source. A series circuit consisting of a 20 ohm resistor and avariable capacitor is then connected in parallel with the coil. (a) for what values of capacitancewill the circuit be in resonance? (b) calculate the two values of line current for the condition ofresonance.