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Q. What do you mean by Feedback in amplification?
Feedback : Feedback in its broadest sense means that a certain amount of the output signal is "fed back" into the input. An amplifier - or an element of an amplifying device - is presented with the input signal, and compares it to a "small scale replica" of the output signal.
If there is any difference, the amp corrects this, and ideally ensures that the output is an exact replica of the input, but with a greater amplitude. Feedback may be as a voltage or current, and has a similar effect in either case.
Q. Explain the fixed bias circuit? The Fig refers to the common emitter collector characteristics and the ac and dc load lines.The Fig shows the points Q 1 and Q 2
Q. What is Autotransformers? In contrast to a two-winding transformer, the autotransformer is a single-winding transformer having a tap brought out at an intermediate point. Th
#i have an error at in the Matlab power system model..thus i couldn''t run it...
State the Advantages of expert systems - Never "forgets" to ask a question in determining the logic - provides consistent answers - Less skilled work force needed, ther
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With neat diagrams explain the configuration of a step-by-step switching system. Schematic diagram for such an exchange is given in Figure. Every subscriber is connected to a
trigger capabilities of logic analyser that differentiate it from other devices???
Q What is a clipper? Describe the operation of a biased clipper and combination clipper. The circuit with which the waveform is shaped by removing (or clipping) a portion of th
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