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The combined resistance R = 4 M-ohm. Solve for the current i(t) for this circuit for t>0. Express a function of time with the term t, with units of microAmperes
Assume R1 = 1 M-ohm, R2 = 3 M-ohm, and C = 1.5 F. Also take the initial voltage across the capacitance to be VC(0) = 4 V. The voltage source VS has a voltage of 9 etV. The switch is closed at time t=0.
A constellation diagram has four points located at (2,2), (-2,2), (-2, -2), and (2, -2) on the I(in-phase)-Q(quadrature phase) plane. Find the value of peak amplitude and the type of modulation this diagram represents.
Maximum value of frequency deviation is fixed at 75 kHz for commercial broadcasting by radio. Modulation frequency W = 15 kHz, then find the transmission bandwidth of signal and deviation ratio.
Determine zero-input response of (D2+4D+40)y(t)=(D+2)x(t) with initial condition y0(0)=2 & dy0(0)/dt=16.78.
When a color palette is used to reduce its storage requirements, what is the maximum number of rows in the LUT to keep the compressed image size (LUT + index values for each pixel) smaller than the original image size
A time varying capacitor is characterized by the charge- voltage equation q(t) = C(t)v(t)
The system contains a door sensor, a window sensor, and a key activation switch. If the switch is on, opening the window will set off the alarm immediately. Opening the door will start a 30 second timer.
Two coupled coils have self-inductances L1 = 50 mH and L2 = 200 mH, and a coefficient of coupling k = 0.5. If coil 2 has 1000 turns, and I1 = 5Sin (400t) (i.e. the phasor current is 5? -90° A). Find the voltage at coil 2 and the flux through coil ..
Consider two identical and redundant CFR (Constant Failure Rate) components having a guaranteed life of 2 months and a failure rate of 0.15 failures per year. What is the system reliability for 10,000 hours of continuous operation
Determining how to use the function fft to find the DFT coefficients X[k] of x[n] in Matlab. Also, how would you plot the magnitude of X[k] in Matlab?
Determine whether the system described by (1) y[n]=log(nx[n]), (2) y[n]=sqrt(n)*x[n+1], (3) y[n]=x[n-2]u[n], where a is an integer and |a|>1, is (i) memoryless; (ii) invertible; (iii) causal; (iv) stable; (v) time invariant; (vi) linear
A video signal contains light variations that change at a frequency as high as 3.5 MHz. What is the minimum sampling frequency for A/D conversion?
Design a first-order RC high-pass filter for the given cut-off frequency of fC = 2400 Hz and the capacitor value of C = 47 nF. What is the required resistor value
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