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Using the Matlab commands fir1 and freqz, construct a FIR digital bandpass filter with cut-off frequencies of 150 and 300 Hz for a signal with a sampling frequency of 1000 Hz and 512 sampled points. Let the order of the filter be 10, and then increase it to 20 and then 40. The freqz command will plot the amplitude and phase response; how does increasing the filter order change the filter?
Design a MOS differential amplifier to operate from +/- 1V power supplies and dissipate no more than 2 mW in the equilibrium state. The differential voltage gain Ad is to be 5 V/V and the output common-mode dc voltage is to be 0.5 V.
Show what are the modulating indexes for the two components- design the power distribution of the transmitted signal and show what percentage of transmitted power spills into the guard band and what percentage of power spills to the adjacent channel..
Single pole amp. has an open loop gain 10^6 and open loop bandwidth of 10Hz. If the feedback factor =1, calculate the gain and bandwidth after the feedback
Typically a speech signal that can be understood over a telephone shows frequencies from 100 to 5 Khz. What would be the sampling frequency fs(sample/sec) what would be used to sample speech without aliasing.
A single-turn resonant circular loop with a /8 radius is made of copper wire with a wire radius of 10^4 pi f/2 and conductivity of 5.7 × 10^7S/m. For a frequency of 100 MHz, determine, assuming uniform current
you want to put in marble counter tops, but you dont want them to take up more than 1/20 of the space in you kitchen. what is the largest area the counters can take up?
An Ideal Low Pass Filter: The impulse response of an ideal low-pass filter is h(t) = sin(t)/t (or the sinc signal). (a) Given that the impulse response is the response of the system to an input x(t) = f(t)with zero initial conditions
Given a buck-boost converter (with ideal components): 8 V. Vin 40 V.; Vo = 15 V. (regulated); C = 470 micro Farads; and fs = 20 KHz. (a) Determine minimum L to ensure CCM operating mode if Po 2 W.;
Connect a voltage divider to an output of a DC power supply. Design it to give an output that is 1/3 of the supply voltage. Furthermore, neither the power ratings of the resistors nor the current rating of the supply are to be exceeded.
The pumps exhibit a surging effect with a period of 2.2 sec. What is the minimum sampling rate to ensure quality data. How much time can be spent processing each station's data. Data acquisition hardware and software take 200µ sec for a channel.
1) During a transient fault and a permanent fault on the transmission line of a power network, mention the sequence of a line circuit breaker's operation. 2) During a network fault, the voltage and active power of a synchronous generator drops
We need to use asynchronous TDM and combine 50 digital sources. On average only 20% of the sources are active at any time. Each output slot carries 18 bits of data from each digital source. Also 8 extra bits are added to each frame for synchroniza..
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