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Assume a three-bit ADC (eight quantizing levels). We desire to design a companding system consisting of both a compressor and expander. Assuming that the input signal is a sinusoid, design the compressor such that the sinusoid falls into each quantizing level with equal probability. Implement the compressor using a MATLAB program, and verify the compressor design. Complete the compander by designing an expander such that the cascade combination of the compressor and expander has the desired linear characteristic. Using a MATLAB program, verify the overall design.
Design a second-order band-pass IIR filter with center frequency of 450 Hz when the sampling frequency is 2,000 Hz. In order to ensure the filter stability, set the poles at 0.96 radial distant from the origin
What is the total charge inside a shpere of radius 1 and center in the origin.
Determine (a) the maximum current and the time at which it occurs; (b) the settling time; (c) the time t corresponding to the resistor absorbing 2.5 W of power.
A 10mH inductor and a 4.7mH inductor are connected in parallel and have the same mutual inductance between them. What is the total inductance of this circuit
the voltage drops across three resistors in series are measured to be 10.0v 15.0v and 25.0v. if the largest resistor
Write an instruction sequence to subtract the 4-byte number stored in memory locations 0x10-0x13 from the 4-byte number stored in memory locations 0x00-0x03 and store the difference in memory locations 0x20-0x2
A coaxial cable has an inner core of radius 1.0 mm and an outer sheath of internal radius 4.0 mm. Determine the inductance of the cable per metre length. Assume that the relative permeability is unity.
A child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. If the merry-go-round makes 5.4 rev/min, what is the velocity of the child in m/s
Consider the magnetic circuit shown in Figure. Assume that the reluctance of the iron is small enough so it can be neglected. The lengths of the air gaps are 0.1 cm, and the effective area of each gap is 20 cm2. Determine the total number of turns..
Design the low pass filter with the 3 dB point at 1Khz. DC gain is 0 dB. use the C value as 100 uf and input ac magnitude 1 V. use the AC simulation between 1 mHz to 1 Khz.
Design a two-pole low-pass Butterworth active filter using a unity-gain section to achieve a 3-dB frequency of 200 Hz. Select the two filter resistances as 30 kOhms each.
b. Find the Fourier Transform of signal x(t) (use the Fourier Transform definition) c. Write down the double-sided amplitude and phase spectra x(t) d. Plot the double-sided amplitude and phase spectra of x(t)
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