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From a source with Pin = 2.4 mW, we want to get Pout = 60 mW at a distance l = 20 km from the source. α for the transmission line is given to be 2.3 dB/km. The available amplifiers have adjustable power gain, but are subject to two limitations: (i) the input signal power must be at least 1 µW to overcome internal noise, and (ii) the output signal power must not be greater than 1 W to avoid nonlinear distortion. Design an appropriate system.
FET operation: Figure: I-V characteristics and output plot of a JFET n-channel transistor. The FET manages the flow of electrons (or electron holes) from the sourc
A voltage signal generated by a sensor conditioning circuit varies from -0.5V to +0.5V . The signal from the sensor is to be connected to the analog to digital converter which onl
consider a single stage ce amplifier with rs=1kohm,r1=50ohm,r2=2kohm,rc=1kohm,rl=1.2kohm,hfe=50,hie=1.1kohm,hoe=25microamp/volt and hre=2.5*10-4
Q.‘Pentium processor has a superscalar architecture'. Describe the meaning of statement. Ans:Pentium microprocessor is organized with three execution units. One executes float
Q. If the output signal fromanAMmodulator is given by u(t) = 5 cos 1800 πt + 20 cos 2000 πt + 5 cos 2200 πt , determine: (a) The modulating signal m(t) and carrier c(t). (b)
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why conductance is not zero at end pont? reply as soon as possible.
Give the properties and application of asbesto. Asbestos: It is inorganic fibrous material. Two kinds of asbestos are available. Chrysotile asbestos : This material is h
Determine the Service and Backwash Rates The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rat
Q. An op amp has an open-loop frequency response as shown in Figure. (a) Find the approximate bandwidth of the circuit using this op amp: (i) With a closed-loop voltage gain
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