Question 2 In the signal flow graph shown in the figure the gain C/R=...... -1 -1 -1 R 1 1 C 2 3 4 5
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In a signal flow graph, the nodes represent variables or signals, and the directed edges represent the flow of these variables or signals. Show more…
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(a) For the circuit shown in Fig. $5.53,$ show that the gain is $$\frac{v_{o}}{v_{i}}=-\frac{1}{R}\left(R_{1}+R_{2}+\frac{R_{1} R_{2}}{R_{3}}\right)$$ (b) Evaluate the gain when $R=10 \mathrm{k} \Omega$ $R_{1}=100 \mathrm{k} \Omega, R_{2}=50 \mathrm{k} \Omega, R_{3}=25 \mathrm{k} \Omega$
Use Mason's gain formula to obtain the overall transfer function of the control system whose signal flow graph is given in Figure 2.
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An op amp integrator with $R=4 \mathrm{M} \Omega$ and $C=1 \mu \mathrm{F}$ has the input waveform shown in Fig. $6.81 .$ Plot the output waveform.
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