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Q. Explain about Differentiator?
Shown in Figure is a differentiator which is obtained by replacing R1 in the inverting amplifier of Figure by a capacitor C. Assuming ideal op-amp characteristics, one has i = iC and vo = - Ri = - RiC. But since iC (t) = Cdvin (t) /dt ,we get
vo (t) = - RC dvin (t) / dt
which corresponds to a differentiator with a gain of -RC. In practice, however, differentiators are normally avoided because of high-frequency noise (which is accentuated due to a transfer function that increases with frequency) and stability problems (which make them oscillate).
Explain the Sequential Circuits? The Logic circuits whose outputs, at any instant of time, depends not merely the present input but as well the past output called sequential ci
Q. Consider the circuit shown in Figure in the time domain aswell as in the s-domain. Its transfer function V 2 (s)/V 1 (s) can be shown to be which is a second-order bandpass tra
what is that mean and explain
(a) Let a unit impulse of current i(t) = δ(t) be applied to a parallel combination of R = 3 and C = 1/2 F. Determine the voltage vC(t) across the capacitor. (b) Repeat (a) for
governer characteristics
for the following circuit find i(t)
With a block diagram explain fiber optic communication system Ans: The block diagram of a fiber optic communication system is display below: The input signal is giv
Dielectric materials are (A) Insulating materials. (B) Semiconducting materials. (C) Magnetic materials. (D) Ferroelectric materials. Ans:
Balanced Score Card or BSC We see in which the traditional model does not reflect the significance of intangible assets, their capturing and measuring mechanism and does not r
cosider a causal LTI system whose system function is H(z)=1-1/5z^-1/(1-1/2z^-1+1/3z^-2)(1+1/4z^-1) find the direct form 1 and direct form 2
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