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Design a 3-bit Incrementer/decrementer
use btn_west as incrementer, i.e. when pressed, count increments by 1
use btn_east as decrementer, i.e. when pressed, count decrements by 1
use btn_south as reset, i.e. when pressed the count is resetted to 0.
use LD2, LD1 and LD0 to display count on the board. LD2 being MSB.
When count is 3'b111 and btn_west is pressed, it is reset to 3'b000.
When count is 3'b000 and btn_east is pressed, it is set to 3'b111.
Design of sync counter 0010 to 1101 using JK flip flops, Design a synchronous counter using J-K flip-flops that will count from 0010 to 1101 repetitively.
Sketch the DFT(discrete fourier transform)for a square wave with frequency 1Hz and 10 Hz given N=64 and SR(sample rate)=128. Make sure to label your axes.
An Ideal Low Pass Filter: The impulse response of an ideal low-pass filter is h(t) = sin(t)/t (or the sinc signal). (a) Given that the impulse response is the response of the system to an input x(t) = f(t)with zero initial conditions
The z-transform X(z) of a causal sequence x[n] has a zero at z1 = 0 and three poles at p1 = 3/4 and p2,3 = (1/2)(1 ± j). Determine the z-transform Y(z) of the sequence y[n] = x[n + 3], its pole-zero pattern, and its ROC.
A P=900W electric motor with pf=0.82 lagging is connected to a 240 Vrms 60 hertz source. a) Draw an equivalent circuit showing impedance and phasor values for Vs, R and X. b) Find an Xc value to put in parallel with the motor which corrects the pf to..
Telephone signals are typically sampled at 8000 Hz. a. What is the time interval between samples b. What is the highest frequency that can be recovered from a sampled signal
A y polarized UPW motion in + x direction in free space has a maximum value of 20 (V/m) at a point x=1.5 (m) with the next adjacent minimum at x=2.75 (m) at time t=0 Obtain the wavelength and the frequency of the wave.
Assuming that ideal filters are available, what is the lowest frequency at which the signal can be sampled and subsequently recovered in its analog form without distortion using a low pass filter?
Consider the interval [0,30]: y[n+2] - 0.6y[n+1] - 0.16y[n] = 5x[n+2]. a.) Find zero-state response if the input is x[n]= 4^(-n)u[n] b.) Find zero-state response if the input is x[n]= cos(2npi/6)u[n]
Consider the function f which has four inputs a,b,c,d and one output such that the output is a 1 if and only if the number of 1s in the inputs is even. (a) Write the canonical product-of-sums expression for f. Do not use the shorthand notation
A pulsar lies 1000 light years from Earth. The average plasma concentration is 1 el/cc. Using the plasma dispersion relationship for group speed, what is the group delay between a pulsar pulse received at 1 GHz and at 800 MHz
Supply the quantisation levels (including zero) that are available. Do this for both the three and 4-bit ADC in table form. What is the resolution of each quantizer?
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