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A digital communication system employs the four equiprobable signals given below
1. Determine an orthonormal basis for representation of these signals.
2. Draw the constellation representing these signals.
3. What is the dimensionality of this signal set?
4. Using the vector representation of these signals determine the average energy this signal set and the average energy per bit Ebav·
Steam at 10 MPA, 600 C, enters a well insulated turbine operating at steady state and exits at 0.1 bar and a quality of 92%. The volumetric flow rate at the inlet is 0.36 m^3/s. Assuming the kinetic and potential energy effects to be negligible
The mutual inductance between two coils is 250 mH
Design a RC phase shift oscillator that makes a pure sine wave (no clipping or other distortions) at a frequency of 10 kHz. Output voltage should be 9 V pp. Design a differential amplifier with Icq = 0.5 mA in each BJT and Difference mode gain = 40..
For an N-channel JFET, IDSS = 807mA, VP = -3V and VGS = - 1V, then find the value of drain current (ID)
The timebase is set to 100 μs/cm, and the Y-amp is set to 2 V/cm. Determine the amplitude, r.m.s. value, periodic time and frequency of this waveform.
A particle of mass ma decays at rest into two identical particles each of mass mb. Use conservation of momentum and energy to find the speed of the outgoing particles.
A copper strip (Ec = 105 GPa) and an aluminum strip (Ea = 75 GPa) are bonded together to form the composite beam shown. Knowing that the beam is bent about a horizontal axis by a couple of moment M = 35 N.m,
A series circuit consisting of a 0.398-henry inductor and a 212-µF capacitor is connected to a 125-volt variable frequency source. At what frequency will the circuit take a lagging current of 2.5 A a leading current of 2.5 A
A p-channel MOSFET with VTP = -0.5 V has a drain current of 0.5 mA when VSG = 2.08 V and VSD = 5 V. Determine the value of the drain current when VSG= 3 V and VSD= 4 V
A decade counter uses Gray code. The counter has 4 FFs with outputs labeled A,B,C,D. Derive the simplest SOP excitation equation for the counter if it uses D FFs, then repeat for JK FFs.
Determine the heat rate from a single channel per unit length of the platen normal to the page, q;. Determine the outer surface temperature of the cover plate, Ts.
Consider the impurity diffusion of gallium into a silicon wafer. If gallium is diffused into a silicon wafer (with no previous gallium in it) at a temperature of 1100oC for 3h, what is the depth below the surface
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