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1. When no analog filter is used at the input, why does an input of 1032 and 4960 Hz produce an output frequency of nearly 50 Hz? Keep in mind that the sampling frequency of the filter is 982 Hz. Justify your answer using the necessary formula.
2. What are some of the uses of ADC undersampling (i.e., sampling at a rate lower than Nyquist rate)? Research this topic using the Internet, but state the answer in your own words.
3. Suppose we had connected at the input to channel 0 a circuit of the type that attenuates all frequencies above 50 Hz at a rate of 6 dB/octave. What will we then see in the output when we apply 4960 Hz at the input?
Why can't a video signal such as an NTSC analog television signal be transmitted over a two km length of loaded twisted pair cable with a frequency range 300 Hz to 3,400 Hz? What is the bandwidth occupied by an NTSC video signal?
Design a 4-bit binary incrementer using HALF-ADDERS as building blocks. The circuits implements A+1=S where A and S are 4-bit binary numbrers. The circuit has 4 inputs A3A2A1A0 and 5 outputs : S3S2S1S0 and overflow C4. Draw the circuit diagram wit..
A truncated cone has a height of 50cm. The circular faces on the top and bottom have radii of 20 mm and 1mm, respectively. If the material from which the solid cone is constructed has a conductivity sigma of 2 x 10^6 S/m.
In a typical AC circuit, the supply voltage is 10 VPK and frequency is 60 Hz. If the current through the system is 2 APK with a phase angle of 60o, then the power dissipated by the source is
Telephone channels have a bandwidth of about 3.1khz. do the following in excel. A) If a telephone channel signal to noise ratio is 1000, how fast can a telephone channel carry data?
The following equation represents the complete combustion of ethane: 2C2H6(g) + 7O2(g) 4CO2(g) + 6H2O(g)At the same temperature and pressure what is the maximum volume in liters of carbon dioxide
The SV curve can be used to understand the impact of constant power factor shunt compensation support. In this case, the receiving end is injected with a specific amount of reactive power so that the receiving end maintains a constant load power f..
Tuning methods for PID controllers, Investigating tuning methods for PID controllers of 2nd order and 3rd order control systems. Eg. Zieglar Nichols, etc
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..
What is the minimum donor doping required to convert Silicon into a conductor? What is the minimum acceptor doping required to convert Silicon into a conductor?
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?
a 10uF capacitor is plugged into a 110v rms 60 hz voltage source with an ammeter in series. what is the rms value of the current through the capacitor?
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