1.9 Calculate the rate of attenuation increase in dB/ octave and in dB/decade as f approaches zero and infinity in the function T(s): = 3s² (s²+36) S4 s4 +2.344s³ +1.824s² +1.267s +0.987
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- The power into an attenuator is 10 Watts and the power out is 1 watts. Find the attenuation in dB.The magnitude plot in the figure represents the transfer function of a preamplifier. Identify the correct H(s). Take C= 2282. H (dB) 40 20 5 Multiple Choice о H(s) = H (s)- H(s) = H(s) = 50 20 dB/decade 2282(8+500) (8+50)(+22820) 2282(8+50) (8+500)(a +22820) 22820(8+50) (8+500)(8+2282) 22820(8+500) (8+50)(8+2282) 500 20 dB/decade10. Which of the open-loop functions has the following Bode plots: Magnitude (8) Phase (de) 0 -50 -100 -90 -135 -180 -270 (a) G(s) = 10 24 s(s+2)(s+6) (c) G(s) = 24 s² (s+6) 10⁰ G(s) = Bode Diagram Frequency (radise) 10 24 s² (s+2)(s+6) (b) G(s)=- 10² (d) G(s) = 10 s² +0.5s +10 11. Determine the number of unstable open-loop poles for the following system, s-3 s(s+6)(s-10)(s-12) (a) P=3 (b) P=2 (c) P = 4 (d) P = 5 12. For the system in Problem 11, the closed-loop system is stable if and only if (a) the Nyquist diagram encircles the (-1, 0) point twice clockwise (b) the Nyquist diagram does not encircle the (-1,0) point (c) the Nyquist diagram encircles the (-1, 0) point twice counterclockwise (d) the Nyquist diagram encircles the (-1, 0) point three times counterclockwise 13. Consider the following Nyquist Diagram,
- We will use a magnitude comparator and a Quad 2-to-1 MUX. How?For the circuit in figure below, the upper critical frequency due to the output RC circuit (assumed re=D 10 Q and Cbc=D4 pF) is Vcc +20 V Rc Cs Vou 2.2 k2 R1 33 k2 0.1 F Rp 5.6 k2 R. 0.1 uF 50 2 R2 4.7 kO 10F 560 2A tank circuit contains a capacitor and an inductor that produce 30 of reactance at the resonant frequency. The inductor has a Q of 15. The voltage of 277 V is connected to the circuit. What is the total circuit current at the resonant frequency?
- You are an electrician working in a plant. A series resonant circuit is to be used to produce a high voltage at a frequency of 400 Hz. The inductor has an inductance of 15 mH and a wire resistance of 2 . How much capacitance should be connected in series with the inductor to produce a resonant circuit? The voltage supplied to the circuit is 240 V at 400 Hz. What is the minimum voltage rating of the capacitor?Given the series RLC circuit. If R=-10 ohm, find the values of L and C such that the network will have a center frequency of 100 kHz and a bandwidth of 1kHz. The output of the circuit is taken across series LC. Select one: O a. 1.59 mH and 1.59 nF O b. 1.59 mH and 1.59 uF Oc 1.59 uH and 1.59 uF O d. 1.59 H and 1.59 nFThe signal-to-noise ratio in dB for the following are: 1. Vin=0.001 and Vout= 0.1V is 2. Vin = 0.1V and Vout = 2V is 3. Pin = 0.5 W and Pout = 0.25 W is 4. Pin = 1 W and Pout = 4 W is %3D
- Find H(o) if its amplitude characteristic is shown in Figure below. HaB 40 0.1 10 100 -20 20 dB/des -20 dB/des -40 20The circuit shown in the given figure is an active filter. Assume C=120 pF. Ro-184 kohm. R₁33 kohm, and R2 = 60 kohm. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. 4-5 www 14 www R₂ 2 ww 644 Determine the cutoff frequencies. The cutoff frequencies w₁ and 2 are 896 106 rad/s and 5.55-105 red/s, respectively. HE -D Skech by hand the asymptotes of the Bode maunitude and phase plots Sor the open loop trens fer function below, Embellish the plots with a rough estimate of the transitious for each break -point. Label the slopes od the maunitude plot dB /decade Osymptotes in (s+2)° s² ( s+10) ( s²+ 6s +25) LG)=