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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.
Illustrate in detail digital encoders. Illustrate the following with their application: Photo-conductive cell Photo-voltaic cell
Q. Working of Field-effect transistors? Field-effect transistors (FETs) may be classified as JFETs (junction field-effect transistors), depletion MOSFETs (metal-oxide-semicondu
what is pole core and pole shoe in a dc machine
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Your manager has requested you to review current techniques for reducing, or eliminating, the effects of external interference upon electronic circuits. He requires a short report
Compute the Fourier Transform of the following function: f(x) = exp( - x 2 /(2σ 2 )) cos (2πx/k) where σ and k are constants. What is the minimum sampling rate required
Ask question #Minimum 10] In the system shown in Figure 4-1, the rated voltage of the line is 110kv, and the conductors are all LGJ-120 type. The parameters are: r1=0.21O/km,x1=0
examples in building electric helicopter using cardboard, balsa wood, scotch tape, glue, binder clips, rubber bands, rubber stoppers, etc. attached to a 12v power supply
Calculate Voltage and Current Phasors on a Phasor Diagram A synchronous motor is operated at rated load and unity power factor. The field current is increased by 20%. Show the
Figure shows the block diagram of an aircraft pitch stabilization system which uses position, velocity and acceleration feedback. i) Show that for a unit step input the steady s
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