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Q. What do you mean by Signal multipath?
Signal multipath occurs with electromagnetic wave propagation via sky wave in the HF range. When the transmitted signal reaches the receiver through multiple propagation paths with different delays, signal fading may result. Both atmospheric noise and thermal noise become the additive noise at high frequencies. It is possible to have ionospheric scatter propagation in the frequency range of 30 to 60MHz, and tropospheric scattering in the range of 40 to 300MHz; but relatively large antennas are needed with a large amount of transmitted power, because of large signal propagation losses.
Q. Briefly discuss about ‘Cascaded Amplifier' using a diagram? Amplifiers are cascaded when the output of the first is the input to the second. The combined gain is whe
1. Data is to be transmitted using a modem at 9600 bps. Determine the minimum bandwidth of the system with the following modulation methods (a) FSK (b) ASK. Use the excess
Q. Why CE configuration is widely used in amplifier circuits? The main ability of an transistor lies in amplifying weak signals. The transistor cannot alone perform this functi
High Pressure Gas Hazards When we consider the dangers of compressed gas in the lab, there are three main sources of danger as follows: 1) Sudden release of high pressure ga
explain dynamically induced emf and derive expression for it
Q. Basic principles of electromechanical energy conversion? Energy available in many forms is often converted to and from electrical form because electric energy can be transmi
This assignment is to develop a User Requirements Specification for an electronic monitor and alarm system for an Oil Separator in Surface Water Drainage Systems. These separato
MIMO downlink mode uses
Q. Give an introductive notes about FET amplifier ? The small signal models for the common source FET can be used for analyzing the three basic FET amplifier configurations: (
how electromagnetic wave transmitted from the ground are bent back towards the earth when they enter a layer of ionosphere?
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