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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.
Q. Given the following truth table: (a) Realize the function f by a K map using 0s. (b) Realize the function f by a K map using 1s.
(a) Show Diode as a half wave rectifier. Determine efficiency and Ripple factor of the half wave rectifier. (b) Write short note on LED. Briefly explain : (i) Positive cli
Give the layout of a modern steam power plant and illustrate it briefly. With the help of schematic diagrams illustrate the construction and basic working of closed cycle and op
Program Counter (PC) It is a 16 bit register. It is a memory pointer. It stores the memory address of the next byte of the program to be executed. Memory address is of
Magnetic circuits To see how this is used in practice, consider a coil of N turns wound onto a closed ring shaped former with a very high (note: r (steel) = 200
Surge Current It is the maximum admissible peak value of a sinusoidal half cycle of 10 ms duration at a frequency of 50Hz. The value is specified at a given junction tem
Q. On a CD amplifier R s = 4k?, µ =50 and r =35k?. Evaluate the voltage gain A v . A v = V o /V i = µRs / (µ+1)Rs + r
Q. For the circuit of Figure: (a) Find an expression for the power absorbed by the load as a function of RL. (b) Plot the power dissipated by the load as a function of the lo
a. The antenna current of an AM broadcast transmitter, modulated to depth of 40% by an audio sine wave is 11 amp. It enhances to 12 amp as a result of simultaneous modulation by an
Variation of Energy Bands with Alloy Composition The band structures of III-V ternary and quaternary compounds modifies as their composition is varied. There
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