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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.
Explain Mobility . Average drift velocity of electrons (e - ) in an applied field is proportional to the field, the absolute magnitude of the proportionality factor eq/m, termed
(a) Identify the semiconductor type in the above diagram. (b) Explain the mechanism of generation of the voltage V AB in the above diagram. (c) An experimental setup like th
Q. A source of impedance ¯ Z S = R S = 100 has an open-circuit voltage v S (t) = 12.5 cos ωot and drives a 75- transmission line terminated with a 75- load. Find the current
A three stage switching structure is to accommodate N = 128 input and 128 output terminals. For 16 first stage and 16 last stage, verify the number of cross points for nonblocking.
SUB Instruction Op code format is of SUB instruction is Replace the three bit code of the register R from to obtain the op code of the required SUB instruction . o
Q. In an RLC series circuit excited by a voltage source v(t), for R = 10 , L = 1 H, and C = 0.1F, determine v(t) if the capacitor voltage vC(t) = 5e -10t V.
1. Why must a modem be used to transmit binary data through a PSTN? (1) Use sketches and additional text to describe the following modulation methods. (a) Amplitude shift key
Ask question #Minimum 100 words accepteddelay line in cro#
Speech timer where max time is 5 minutes Use the switches for: start switch reset switch use the lights to represent: the “green” light meaning the
Q. A balanced delta-connected load with a per-phase impedance of 30+j10 is connected in parallel with a balanced wye-connected load with a per phase impedance of 40-j10 . This l
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