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Design a lowpass analog Chebyshev-I filter with the following characteristics:
• A passband ripple of 0.5 dB,
• passband cutoff frequency of 4 kHz, and
• stopband attenuation of 45 dB or greater beyond 20 kHz.
Determine the system function in a cascade form. Plot the magnitude response, the log-magnitude response in dB, the phase response, and the impulse response of the filter.
Sketch sin(377t + 60°) with the abscissa - angle in degrees. - angle in radians. - time in seconds.
What kind of finite state machine is this: Using a procedure by inspection can you state which sequences does this circuit detect? (current bit goes last) Develop the State Table for this circuit. Label all columns
Draw the flowchart of a program controlling the supply valve to a water tank. The valve should be energized when the water level falls to 1.0 m and should be de-energized when the water level rises to 1.5 m.
Compare the three rectifier ( half wave, full wave and bridge rectifier) to design a 20 V supply with 1V ripple for a 1Kiloohms load. In the comparison look for the filter capacitor, transformer turn ratio n and the PIV of the diodes.
Instead the circuit designerdecides to use a short circuited transmission line to create the same reactance as the capacitor at1.6 GHz. Lossless 75 Ohm microstrip lines are used on the 3 mmthick circuit board, which is made of a material withε=4ε0..
If you photocopy a document, and then make a photocopy of the photocopy, and then photocopy the already once photocopied copy, and then repeat this process for a while, what happens to the image quality
Compute the correlation coefficient of two channels with frequency separation of 100 kHz and temporal separation 5 ms. Assume that the maximum Doppler shift of the channels is f_d=kv=100Hz and the rms delay spread is S_tao=1 µs.
a)For what value of capacitance will these condition exist ,assuming that impressed voltage ,frequency,resistance and inductance remain unchanged. b)Calculate the voltage drop across the capacitance under this condition.
Find the increase in bandwidth required for transmission of a PCM signal that has been quantized to 64 levels if each pulse is allowed to take on the following number of levels: 2, 3, and y.
Silicon at T = 300 K is doped with arsenic atoms such that the concentration of electrons is n0 = 7 x 1015 cm -3. (a) Find Ec - EF. (b) Determine EF - Ev. (c) Calculate p0. (d) Which carrier is the minority carrier
Determine the Wiener smoothing filter. - That is, find the impulse response of the filter that produces an output that is an MMSE estimate of S(t) .
An electric heater contains 40 litres of water initially at a mean temperature of 15 °C; 2.5 kW h is supplied to the water by the heater.- what is the final mean temperature of the water?
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