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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.
Feedback amplifiers are of great importance in electronic circuits. The block diagram of a class of feedback amplifier is shown in Figure. Determine the transfer function C/R for t
what do you mean by band in communication? how it differs from bandwidth?
Knowledge of science and engineering fundamentals Knowledge of basic science and engineering fundamentals is necessary for engineers to develop solution to any complex problem
What is the difference between the unit step function u(n+4) and the time-scaled function u(2n+8)
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Give the operating modes of 8259a? (a) Automatic Rotation (b) End of Interrupt (EOI) (c) Fully Nested Mode (d) Automatic EOI Mode (e) Specific Rotation (f) Edge
Q. What do you mean by Waveforms? We are often interested in waveforms, which may not be constant in time of particular interest is a periodic waveform, which is a time-varying
• Vectors can be represented in terms of basis vectors, a set of vectors that span the vector space • Mostly will use i, j, k to denote a Cartesian right-handed basis set • V
Give the properties of PVC. PVC- It is acquired from polymerisation of hydrogen chloride and acetylene in the presence of a catalyst as peroxides at about 50 0 C. Properties
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