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Consider the linear constant coeficient difference equation:
y[n] -(1/4)y[n-1] = x[n].
Give an example of a (discrete-time) system whose output y[n] is related to the input x[n] by (for every possible input) and where the system is:
(a) causal, linear, and time-invariant. Determine the impulse response for the system and verify that an LTI system defined by the impulse response you determined satisfies the difference equation.
(b) noncausal, linear, and time-invariant. Determine the impulse response for the system and verify that an LTI system defined by the impulse response you determined satisfies the difference equation.
Germanium is n-type doped at 5x1015 cm-3 at T=300 K. The dimensions of the Hall device are d=5x10-3 cm, W=2x10-2 cm, and L=10-1 cm. The current is Ix=250 A, the applied voltage is Vx=100 mV, and the magnetic flux density is Bz= 500
Design a 2-bit counter that, when f = 1, counts in the repeating sequence: 0, 2, 3, and when f = 0, counts in the reverse direction. Use T flip-flops. (a) Construct a state diagram or state table.
Design Problem- the circuit must have the following transfer function: Tv(s)=+- (s+125)(s+500)/(s+250)(s+1000) a)design the circuit using two Omp-amps B) design a circuit using only one omp-amp c) design a circuit using no omp amp *in all designs ..
The 3phSM is used in a pumped storage application which has a head of 250 m. When pumping or generating, it operates at 84% efficiency, rated stator conditions. Determine the turbine flow when (1) generating and (2) pumping.
In the difference equation below K is a real number greater than 0. y[n) = x[n] + Ky[n] A) (2pt)Find the range of values of K that makes the impulse response grow without bound. B)
A solar cell is uniformly illuminated by monochromatic light of 700nm with power density of 20 mW/cm^2. What is the corresponding incident photon flux What is the upper limit to Jsc if the bandgap is 1.4eV
Explain and discuss the problems presented by electronic discovery in civil actions and how the law has responded.
You have to figure out which one using cross or auto correlation.
Determine the dynamic behavior of the tank concentrations (CA0 and CA) in response to a step change in inlet concentration by 0.925 mole/m3. Estimate the time it takes until 63% of the change in outlet concentration, CA has occurred.
Suppose we transmitted 5 cos wct for logic one and 15 cos wct for logic zero. Find the maximum signal energy. Design a demodulator and show the detection criterion for the output of the demodulator. Finally, find the bit error-rate.
Calculate the parameters RE and XE, and the maximum efficiency and power output for the transformer when a load with a 90% lagging power factor is connected to the transformer secondary winding.
The schematic of the traffic light controller
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