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An LTI system has an impulse response h(t) = e^(t) u(-t),where u(t) is the unit step signal. (a) Give a differential equation description for the system. (b)Suppose that an input signal is given as x(t) = e^(-t) u(t). Determine the output response.
a) Explain the difference between a segment and a datagram. b) In virtual circuit networks, does a packet keep the same VC number on each of its links along its path from source to destination.
In a DSB-SC amplitude modulation system, the message signal is m(t)=e^-3t*u(t-2) and the carrier signal is cos(2000pi*t). Find and sketch the Fourier transform of the modulated signal.
It dispenses water and beer. Use 3 of the logic switches to simulate the coin detectors (one each for nickels, dimes and quarters) and use two of the indicator lights to simulate the dispenser valves for water and beer.
a piston cylinder device initially contains steam at 3.5 MPa, superheated by 5 C. steam loses heat to the surrounding and the piston moves down hitting a set of stops at which point the cylinder contains saturated liquid water.
Describe the basic operation of the n-channel MOSFET, the relationship to VGS, VDS an IDS. This would include such things as accumulation, inversion, pinch-off point, etc. Which end is the drain
Determine the system impulse response in time domain and draw its root locus and comment on system stability.
Draw a relay construction diagram and briefly explain the operation of a relay.
The received power at a receiver antenna is -38 dBm. If the system impedance is 50 Ohms, what is the voltage at the receiver antenna. What is the total average power for a commercial AM transmitter with an unmodulated carrier power of 20 kW and 100%..
When a forward bias is applied across a junction is the increased current flow due to movement of the Fermi level closer to the band edge or to lowering of the potential barrier. If you want to increase the space charge width on the n side of a p,n..
A 3 phase, 60 Hz, 4 pole, 440-v (line-line, rms) induction motor drive has a full-load (rated) speed of 1746 rpm. The rated torque is 40Nm. Keeping the air gap flux-density peak constant at its rated value
An inductance of 8 mH is combined in parallel with a capacitance of 1.5 µF. What is the characteristic frequency (Hz) (not radian frequency) of the combination
a 10uF capacitor is plugged into a 110v rms 60 hz voltage source with an ammeter in series. what is the rms value of the current through the capacitor?
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