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Two amplifiers are cascaded, one with a voltage gain of 6 db and the other with a voltage gain of 4. if 1 V is applied at the input of the first amplifier, what is the voltage at the output of the second amplifier?
Compare the frequency response magnitudes for each of the responses above (will need to plot on a logarithmic scale). Comment on the observations noting things such as if the signals are resolvable, the size of the side lobes, etc.
The output of an exclusive-NOR function is false only if exactly one of the inputs is true. Show the truth table of a two-input exclusive-NOR function, and implement it using AND gates, OR gates and NOT gates.
A school has 100 lockers and 100 students. All lockers are closed on the first day of school. As the students enter, the first student, denoted by S1, opens every locker. Then the second student, S2, begins, with the second locker denoted L2, and ..
Transmitting data at higher speeds generally requires a wider bandwidth, which is not always possible within FCC guidelines. In addition to the wider bandwidth, higher speed transmission also requires a higher transmit power. Why
Using data from the data sheets of the MAX505 DAC, and the various temperature coefficient of DAC errors specified at 25 degrees Centigrade, calculate the total Worst Case Error for a temperature deviation of 45 degrees Centigrade.
A parallel-plate capacitor has capacitance 9.00 µF. (a) How much energy is stored in the capacitor if it is connected to a 9.00 V battery (b) If the battery is disconnected and the distance between the charged plates doubled
(a) Using superposition, determine the voltage labeled vx in the circuit represented. (b) To what value should the 2 A source be changed to reduce vx by 10% (c) Verify your answers by performing three dc sweeps in PSpice.
Write the theoretical Power Spectral Density for a BPSK signal with shift angle of 180 degrees, carrier of 25 kHz and bit rate of about 1 kHz that has been spread by a PN sequence with a bit rate of about 100 kHz. State it or derive it.
Derive the dynamic model and average value circuit of a buck converter assuming the ESRs of the inductor and capacitor are not equal to zero.
An airplane has a mass of 3*10^4 kg and takes off under the influence of a constant net force of 35 000 N. What is the net force that acts on the plane's 80-kg pilot, assuming that he has the same acceleration as the plane
1. Determine Laplace transform of (2-2e^-4t)u(t) 2. Determine if x(t) = 9cos(2t)+4sin(pi t) is periodic; if periodic, calculate the period. 3. Compute the inverse Laplace transform of X(s)= (s+2)/(s^2+ 7s + 12).
Discuss how the electricity can affect health and safety. the discusiion also must include the explanation on how to prevent the hazard of the electricity. then give three examples of the latest hazard cases that had been published since year 2000..
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