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Q. Show Common signal-processing operations?
Common signal-processing operations include the following:
• Amplification to compensate for attenuation
• Filtering to reduce interference and noise, and/or to obtain selected facets of information
• Equalization to correct some types of distortion
• Frequency translation or sampling to get a signal that better suits the system characteristics
• Multiplexing to permit one transmission system to handle two or more information-bearing signals simultaneously
short notes on thermal runaway
Q. Sampling of digital communication systems? Sampling of an analog signal makes it discrete in time. A bandlimited signal can be recovered exactly from its samples, taken peri
Transistor as a switch: Transistors are generally employed as electronic switches, for both of the high power applications including switched-mode power supplies and low power
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Active-mode NPN transistors in circuits Figure: Structure and use of NPN transistor. Arrow according to schematic. The figure opposite is a schematic presentation
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Q. Illustrates typical thermal noise waveform? In general, any physical resistor or lossy device can be modeled by a noise source in series with a noiseless resistor, as shown
Q. A six-pole, double-layer dc armature winding in 28 slots has five turns per coil. If the field flux is 0.025 Wb per pole and the speed of the rotor is 1200 r/min, find the value
AskWrite short notes on pit head generation. question #Minimum 100 words accepted#
Explain how materials can be classified into three groups on the basis of atomic structure. An atom has a positively charged nucleus surrounded through a group of negatively ch
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