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Assume the highest frequency present in a speech signal is 3.5 kHz. If this signal is to be oversampled by a factor of 2, find the minimum sampling frequency.
a transmission line is characterized by an effective signal wave frontvelocity of Vw=c/3. calculate the time delay required in pico seconds for a signal to propagate end to end on a line that is 30cm long.
Design a prototyping system of battery management systems with fully controllable bi-directional power electronic converters
Write a matlab function to generate Gray coding matrix. The function has one input M where M=2^m and m is the number of bits per symbol. For example, if the function my_graycoding(4), the output should be
Design the entire circuit implementing each of the three outputs with a two-level circuit plus inverters for the input variables. Begin the design with the following equations for each of the two bits of the adder
If the amplifier is fed with a signal source having a resistance of 10 kohm, and load resistance Rl = 10 kohm is connected to the output terminal, find the resulting Av, and Gv. If the peak voltage of the sine wave appearing between base and emitt..
(a) Determine the minimum required sampling rate fsamp(min). Hence, use twice this value. (b) Draw a block diagram of the system indicating the requirements of each block. (c) Design and write the difference equations of the digital filters needed.
a- The adjustability of the potentiometer can be used to obtain an adjustable output voltage b- Both power supplies must be used so that the adjustable voltage can have both positive and negative values
The time to failure of fluorescent lights in a large office building is exponentially distributed with a failure rate of 0.03125 hours. How many spare tubes must the building custodian maintain to have at least a 0.95 probability of replacing all..
An electrical circuit consists of a set of three parallel resistors (A,B, and C) which are connected in series with another set of two parallel resistors, (D and E).
Using a shorted stub to match load, what is the lenght of the line where the normalized input Y is 1 + jb . If the characteristic impedance of the shorted line is 40 ohms, what is the length of the stub length.
A permanent magnet commutator motor produces a torque of8 N. m with armature current = 10A. armature R=.16 ohms. if motordrives a load requiring torque of 20 N. m at speed = 1800rpm
We would like to monitor the first two least significant bits of PORTB (use masking technique). Whenever both of these bits are set, switch all LEDs of Port A on for one second. Assume that the name of the delay subroutine is DELAY.
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