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You are designing a reconstruction filter for a CD player. The filter is to have less than 1 dB ripple in the passband compared to the response at DC. The passband is to extend to at least 16 kHz. In addition, the stopband attenuation is to be at least 65 dB, starting at the Nyquist frequency of 22.05 kHz. The complexity of the filter should be minimized. Sketch the filter specification (amplitude vs. frequency). Which filter family would you expect would be best suited for this application?
Design a combinational circuit with four inputs, x,y,w, and z, and four outputs: A, B, C, and D. When the binary input value in decimal is 3,8,12 or 15, the binary output value is one less than the input value, otherwise it is one greater than the..
Design combination circuits that generates the -ve of a give 4-bit +v signed number, e.g. if it is +2 the circuit will generate -2 and if it is -2 the circuit will not change it. assuming that the signed number is in 1's complement representation.
Design a system using the photoconductive cell to measure and display light intensity. Make the design such that 20 to 100 mW/cm2 produces an output of .2 to 1.0 V. What is the readout error when the intensity is 60 mW/cm2
Assume that one of the pumps uses a1/4hp DC shunt motor with an input voltage of 115VDC that pulls 1.6A running at 1500 rpm. The filed resistance for the motor is 600 ohms and the armature resistance is 8.5 ohms. Find the constant KT for the motor..
Design a 3rd order Butterworth High-Pass filter with a Fc of 2kHz and a passband gain of 2. Find the gain and critical frequencies of each individual stage. Plot the gain portion of the bode plot.
1- Why do we use PWMCTL What does it mean If we have PWMCTL=0x80 What does it mean if we have PWMCTL = 0x00 2- The PWMPER register and PWMDTY registers are 8 bits. What does it mean when we say we are using a 16-bit PWM
(a) Show that the actual response at f=fT is approximately 9dB below the maximum value. What is the phase angle at this frequency (b) what is the slope of the magnitude plot for f>>fT What is the phase angle in this frequency range
What refractive index and what thickness do you need to make aquarter-wave anti-reflection coating between air and silicon at10GHz At λ0= 10μm Assume undoped silicon with losses negligible.
In a DSSS multiple user system, how many simultaneous users may be supported such that an average BER of less than 10E-3 is maintained for each user if the average Eb/No=10dB, and a Pg from a straight code of 11 bit shift register length or the Np..
1- A particular gas exerts a pressure of 2.79 bar. What is this pressure in units of pascals 2- A particular gas exerts a pressure of 3.43 bar. What is this pressure in units of atmospheres 3- A particular gas exerts a pressure of 4.79 atm.
A constant current source of 2 mA is placed across a fully discharged capacitor of 100 F. In the time period before the capacitor reaches breakdown voltage, what is the time rate of change of voltage across the capacitor in V/s
A current source of 12 cos2000t A, a 200 ohm resistor, and a 0.2 H inductor are in parallel. Assume steady-state condition exist. At t=1ms, find the power being absorbed by the (a) resistor; (b) inductor; (c) sinusoidal source.
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