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a. Explain the meaning of amplitude modulation? Show that the AM output having two sidebands and the carrier frequency.
b. Illustrate that the equivalent parallel impedance of a tuned circuit is its equivalent resistance for noise
c. Describe Co-channel and Adjacent channel interference in radio receivers. Also compare wideband and narrow band FM.
d. Define Armstrong frequency modulation system with block diagram.
Q. Error specifications on a 10-A digital ammeter are given as 0.07% of the reading, 0.05% of full scale, 0.005% of the reading per degree Celsius, and 0.002% of full scale per deg
Question: a) Give three ways how to reduce cost in embedded systems. b) What is a microcontroller? How is it different to a microprocessor? c) Briefly comment on the "A
Q. Use MATLAB to obtain the Laplace transform of the waveform f(t) = [200t e -25t + 10 e -50t sin(25t)]u(t) which consists of a damped ramp and a damped sine. Also show the
if the sheet resistance of a tin oxide is 100 ohms, what is the thickness of the oxide layer?
Semiconductor Diode: the semi conductor diode is formed by simply bringing n and p tripe material together (constructed from same base ge and si), at the instant the two mater
design a half wave bridge rectifier to perform the function indicated
Arithmetic Operations Various types of arithmetic operations like addition subtraction increment and decrement are performed in 8085 microprocessor. Generally in these ope
GIS technology: GIS could be used to derive diverse information for efficient technical and commercial management of a power distribution utility, e.g., capacity analysis, inv
Q. A transistor has a base current i B = 25 µA, α = 0.985, and negligible ICBO. Find β, iE, and i .
Hysteresis loss least depends on (A) Frequency. (B) Magnetic field intensity. (C) Volume of the material. (D)Grain orientation of material.
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