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Alow-noise transducer is connected to an instrumentation system by a cable that generates thermal noise at room temperature. The information-bearing signal has a bandwidth of 6 kHz. The signal power delivered is Pin = 120 pW. Evaluate the condition on the amplifier noise temperature Ta such that the signal-to-noise ratio (SNR) is greater than or equal to 50 dB.
Q. A table for the direct 3-bit binary decoding is given. Show a block diagram for a 3-to-8 decoder and suggest a method for its implementation.
Consider the following mechanical system: a) Write a differential equation that describes the motion for this system. b) Take the Laplace transform of this equation and
Q. Explain various functions of telephone switching systems. Ans: Functions of telephone switching systems are: (i) Attending: The system should be continually monito
In most real signal processing applications the measured signals can not be described by an analytical expression. In addition, by the Wold decomposition theorem a stationary signa
On running the simulation, a data display will automatically open, similar to that shown in figure. The red circle is the source mismatch stability curve. This will give an indicat
Explain implicit data addressing mode (with examples) available in microprocessors. Implicit Mode: Does not exactly give an operand. Instruction implicitly gives the o
Name the Effects of electric current There are three Effects of electric current:- A) magnetic effect B) chemical effect C) heating effect
The winding of an electromagnet has an inductance of 3H and a resistance of 15?. When it is connected to a 120 V d.c. supply, Determine: (a) the steady state value of current f
What makes them sine? Ans) Fourier tells that only a sine wave has no harmonic content. The math works out that if you have any wave shape other than a sign wave, you can brea
Define temperature coefficient of resistance. Temperature coefficient of resistance is explained as the change in resistance of a material per ohm per degree change in temperat
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