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In a digital audio system, a digital to analog converter reproduces the analog voltage levels represented by the digital samples. This signal is inherently jagged with sharp transitions between each sample. Describe a system for removing these sharp transitions and delivering a smooth audio signal. Additionally, specify parameters of this system assuming it has a sampling frequency of 44.1 kHz.
A pulse compression radar transmits rectangular chirp pulses with bandwidths of 500 MHz. What is the approximate slant-range resolution after Dolph-Chebyshev frequency weighting that results in 30-dB sidelobes
Each of the capacitance units is built of 4 similar 100V capacitors. Determine the capacitance of each capacitor.
The Problem: An Electric Heater is connected to a constant 250-V source and absorbs 1000 W. Subsequently, this heater is connected to a constant 210 V source.
The acceptor concentration in a particular junction is 10^6/cm^3 and the donor concentration is 10^15/cm^3. Assume ni=1.5*10^10/cm^3. Find the junction built-in voltage.
Unpolarized light is incident on three polarizers: The first making an angle of 0 degrees with the vertical; the second making an angle of degrees with the vertical; and the last one making an angle of 90 degrees with the vertical.
Consider an object that has homogeneously textured surface with maximum spatial frequency of (fx,fy)=(3,4) cycle/ meter and that is moving at a constant speed of (Vx,Vy)=(1,1) meter/second.
To develop contoller as a sequential circuit using minimum number of D flip-flops and the minimum number of external gates. the controller should set the values of the control lines appropriately to drive the combinational logic circuit.
A small circular parabolic reflector, often referred to as dish, is now being advertised as a TV antenna for direct broadcast. Assuming the diameter of the antenna is 1 meter, the frequency of operation is 3 GHz
How does a transistor switch compare to a mechanical switch In other words, a mechanical switch when it is ON has a zer impedance. What about the transistor switch
A new semiconductor has Nc = 1019 /cm3 and Nv=5 x 1018, and Eg = 2eV. If it is doped with 1017 donors (fully ionized), calculate the electron, hole, and intrinsic carrier concentrations at 627K.
Using the Karnaugh Map, solve the fallowing expression and answer the question: F= S (4,5,9,13,15) and don't care cells are (0,1,7,11,12). A) Find its minimized Sum of product (SOP) expression. B) Find its minimized product of Sum (POS) expression.
A DSSS-CDMA signal has a chip sequence that is 10,000 chips in length. The sequence repeats every millisecond. What is the chip rate?
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