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consider the back to back cascade of an ideal C to D and D to C converter. Both have the same sampling rate fs. Suppose that the signal being sampled is:
x(t) = cos(324*pi*t - pi/4) + cos(80*pi*t - pi/4)
Find the value of fs so that the reconstructed signal is
x(t) = sqrt(2)cos(21*pi*t)
An unknown semiconductor has a bandgap of 1.1eV and Nc = Nv. It is doped with 10^15 cm-3 donors where the donors fully ionized. Given that EF is 0.25 eV below Ec, calculate the concentration of electrons and holes in the semiconductor at 300 K and..
How do we determine the overall gain of a cascaded system of AV1, AV2, and AV3 in dB, in absolute What do we do if all the gains are given in dB, absolute and dB
A sample of non-ideal gas is made to undergo an expansion process during which its pressure and volume are related as shown in the table below. The energy of the gas at the start and finish of the process is measured and found to be 5 and 3.2 Btu
A new project has the following predicted profits. The initial investment is $3,000,000. Yr Revenue 1 $200,000 2 $400,000 3 $600,000 4 $800,000 5 $1,200,000 6 $1,200,000 7 $1,400,000 8 $1,600,000
3-phase line, which has an impedance of 2 + j4 per phase, feeds two balanced three-phase loads that are connected in parallel. One of the loads is Y-connected with an impedance of (20 + j40) per phase
A cylindrical conductor of radius b is solid, except for a hole of radius a, bored down the z axis. Uniform current I flows in the positive z direction. a) Using Ampere's circuital law, find the magnetic field strength
a)Write the diffrenece equation for a four-term moving average filter. b) The input x[n] = cos(n pi/6)u[n] is passed through the four-term moving average filter. Solve for the first 5 samples of the output.
What value of emitter resistor would you choose, if: a) You have to amplify the signal of a microphone that has an internal resistance of 100K using a Common Emitter bias configuration b) you have to drive a load of 50 with an Emitter Follower cir..
what is the new resistance level of a copper conductor wire if the lenght is changed from 200 ft to 400 ft, the area is changed from 50,000 CM to 0.10 in ^2 and the original resistance was 7 ohms
Dissipations of Power in Lightbulbs, An incandescent lightbulb rated at 100 W will dissipate 100 W as heat and light when connected across a 110-V ideal voltage source
Semiconductor A has a bandgap of 2.5eV while semiconductor B has a bandgap of 1.5eV. What is the ratio of the intrinsic carrier concentrations in the two materials (niA/niB) at 300K
A GAL is different from a PAL because A GAL has more inputs and outputs; A GAL is implemented with a different technology; A GAL can replace several different PAL's; A GAL can be reprogrammed and a PAL cannot
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