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Using 3kohm resistors and ideal op amps, design a low-passunity-gain butterworth filter that has a cutoff frequency of 20 khz and is down at least 25 dB at 100 khz.
A compact disc (CD) records audio signals digitally by usingPCM. Assume that the audio signal bandwidth equals15kHz. a) If theNyquist samples are uniformly quantized into L = 65536 levels andthen binary-coded
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..
Give a brief explanation of the concept of a priority encoder. Using this, what would be the binary output for a 10-input priority encoder when inputs 7 and 5 are activated What is the binary output (active-high) Active-low
determine the current through the capacitor, i_c(t) for time t greater than or equal to zero if the following statements apply. 1. Vc(t=0) = 5V 2. The switch is closed from t = - infinity to t = 0.2 seconds, when it opens.
The unloaded output of a sensor is a sinusoid at 200 Hz and 5V rms amplitude. Its output impedance is 2000+600j. If a 0.22 μf capacitor is placed across the output as a load, what is the sensor output rms voltage amplitude
Sketch magnitude and phase responses (as linear gain versus digital frequencies) for each filter (use [0,π]). Indicate filter type. Find cutoff frequencies if sampling frequency in 30 kHz. Use 6 points only. Do not use MATLAB.
For a particular IC-fabrication process, the transconductance parameter kn'=400 micro amps/v^2 and vt=0.4V. In an application in which Vga=Vds=Vsupply=1.8, a drain current of 2mA is required of a device of minimum length of 0.18um.
A permanent magnet motor is driving a load that requires 0.08Nm.The motor data is:RA =2W, VA =12v,Kt =0:05Nm/A ,KG = 0:004 V/RPM . Find themotors running speed and the power output.
Sketch the unit step response of the system below. Show the magnitude of the steady state on the c(t) axis of your response curve and the value of the time constant on the t axis. T(s)=C(s)/R(s)=5/s+2.5
the wavelenght of green light Lamda =550nm. Determine the wave number, the angular frequency,and the peroid of the wave. The speed of light is 3*10^8 m\s.
Why then do we even use JFETs as amplifiers. What is it that make them attractive even though they are non-linear. How do we minimize the effect of their non-linearity
The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate the traffic load per..
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