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A discrete-time LTI system is described by the difference equation
y[n] + 4y[n-1] + 3y[n-2] = x[n] + 5x[n-1] + 6x[n-2]
a) Draw a cascade or parallel form for the block diagram representation of the systemb) Determine the possible ROC's of this system. For each case determine causality and stability of the system.
The magnetization graph taken at 1800 rpm of a 6 kW, 120 V, 50 A, 1800 rpm, dc generator is attached below. Field resistance is 20 ohms and armature resistance is .18 ohms. Find: As a seperately excited generator
Draw schematic for a Bridge (full-wave) peak-rectifier capable of providing de output voltage of 12V with a ±1 V ripple and a load current of 0.5A. Calculate the transformer ratio, the filter capacitor value, and the PIV for the diodes.
A three phase 4.157kv 60hz power system serves a 2880kva load pf=.8 lagging. Draw the ac equivalent circuit with load impedance element equated. The load is delta connected. solve for all the current (6 total).
An amplifier has a gain of 10 and follow a bandpass filter filter where the loss in the in the center of the bandpass is 0.05. What is the combined gain/loss of the two cascaded blocks at the center frequency of the filter
Radio Systems, In design of radio systems that incorporate wireless networks, considerations must be taken such as user access, transmission direction, switching and signal strength.
The continuous-time counterpart to the N-point discrete-time MA filter is the I-interval continuous-time MA filter given by the input/output relationship y(t)=(1/I)*Integral of x(lamda) delta lambda where the bounds are from t-I
Assume that we will use a double-precision number for non-integer numbers (if you recall, this means a binary "scientific notation" with a sign bit, 11 exponent bits using an excess-1024 representation, and a 53-bit mantissa of the form 1.--52 bits-..
What RF bandwidth is required to send the data using QPSK? If the RRC filters in the transmitter and receiver are replaced with ones that have ? = 0.20, what are the new RF bandwidths in parts (a) and (b)?
Please list the properties of Discrete Fourier Transform. Explain each property with an example to show what it means physically and explain the physical meaning of Z Transform
What is the maximum symbol rate that the twisted pair line can carry without ISI? 256-QAM modulation is used on the link. How many bits are conveyed by each symbol?
Two resistors are given: R1 = 470 ohms and R2 = 1.20 k ohms. (a) The two resistors are connected in series with a 48 V source. Calculate the series equivalent resistance. Sketch the schematic diagram of the circuit with the two resistors.
3) What is the RMS voltage of the source in a single loop series circuit if Irms = 1A-30° and Ztotal = 100 65° 4) What is the power dissipated by an electric heater with a resistance of 20? drawing a current waveform of i(t) = 10 sin(60t) Amps
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