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Q. A gyrator is sometimes used in integrated circuits to simulate inductances. Consider the circuit of Figure consisting of a gyrator.
(a) Show that the impedance as seen to the right at terminals 1-1 can be represented by an inductor in series with a resistor.
(b) Determine the resonant frequency and bandwidth for the following values:
R = 105 ; g = 10-3S; C1= C2 = 100 pF.
Q. How do you calculate the insulation resistance of transformer and what is the minimum value? Ans. The insulation resistance of the transformer will be calculated by using
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D Flip Flop As we have seen in the SR flip flop when the inputs S= R are applied the forbidden or indeterminate state occurs. This state can destabilize the SR file flop.
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The expression given in Problem for (S 0 /N 0 )PCM is plotted for a sinusoidal message in Figure to show the performance curves for a PCM system using a polar waveform. (a) Comm
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