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Q. Why do we cascade amplifiers? Why is RC coupling the most widely used coupling between 2 stages of a cascading amplifier?
The voltage or power gain or frequency response obtainable from a single stage amplifier is usually not sufficient to meet the needs of either a composite electronic circuit or load device, so cascading of amplifiers is required to provide greater voltage of current amplification of both. RC coupling is the most widely used coupling between the two stages of a cascaded or multi stage amplifier because it is cheaper in cost, it is a very compact circuit and provides excellent frequency response.
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Gold and silver are (A) Dielectric materials (B) Low resistivity conducting materials. (C) Magnetic materials. (D) Insulating materials. Ans: Gold and si
1) Assume that we are given the continuous-time signal xa (t) = xa1 (t) + xa2 (t) + xa3 (t), where, xa1 (t) = 2 + cos3 (2pf1 t + p 3 ) + 2 cos(2pf2 t), xa2 (t) = 2 cos(2pf3 t)
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Explain what is meant by a datapath and a datapath logic cell illustrating your answer by reference to a suitable function using diagrams as appropriate. Show using a diagram ho
what is norton''s theorm?
The block diagram of Figure is a functional representation of a type of digital control system, in which G and H serve the same function as in any feedback system. Note that the er
A relay is essentially an electromechanical switch that opens and closes electrical contacts. A simplified relay is represented in Figure. It is required to keep the fenomagnetic p
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