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Explain Noise
Noise is unwanted signals which degrade the desired signal content and therefore the performance of the system. Noise might be produced either externally or internally to the system. External noise contains atmospheric interference, man-made interference, lightning, etc. Internal noises are produced by the components and devices used in the system.
Prepare a User Requirement Specification for the monitor and alarm system. User Requirements Specification should be written in a clear and unambiguous manner to state: • The
Q. Explain working of CRT with suitable diagram discuss the focusing arrangement. What is need of aquadag? OR Why are the operating voltages of a cathode ray tube arran
The operating frequency range of a superheterodyne FMreceiver is 88-108MHz. The IF and LO frequencies are so chosen that f IF LO .Ifthe image frequency f c must fall outside of
Q. Explain Steady-State Error of Linear Systems? If the steady-state response of the output does not agree exactly with the steady state of the input, the system is said to hav
Short-Term Measures for Technical Loss Reduction The short-term measures involve measures needs for immediate improvement and reduction of losses within the system. These are
Q. What do you mean by Number Systems? The Digital circuits are inherently binary in nature, but numerous types of representations of numerical data are in use. The represen
Q. What is a Modem? Modems are generally used to interface digital circuits to transmit information on analogue channels such as telephone systems. Modem (from modulator-demodu
What is Microprocessor? Give the power supply & clock frequency of 8085. A microprocessor is a multipurpose, programmable logic device that reads binary instructions from a sto
Q. Does the existence of non-tradable goods allow for deviations from Purchasing Power Parity? Answer: Yes the continuation of non-tradable goods permits deviations from Purch
Diffusion Current : The carrier currents are also due to concentration gradients in the doped material which lead to diffusion of carriers from high concentration region to l
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