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What is the minimum sampling frequency to be able to avoid aliasing if your system has 10Hz, 100Hz and 1500Hz mixed in a signal?
On a spacecraft two engines fire for a time of 541 s. One gives the craft an acceleration in the x direction of ax = 4.90 m/s2, while the other produces an acceleration in the y direction of ay = 7.60 m/s2.
1-for an FM reciever tuned to 94.5 MHZ using high side-injection and a first IF of 10.7 MHZ, Determine the image frequency and the local oscillator
Consider the message signal m(t) = 20 cos(2πt) and the carrier signal c(t) = 50 cos(100πt). Write down the AM signal, and sketch the resulting AM signal waveform for 75 percent modulation.
Determine the probability that the receiver correctly receives the codeword for the first time on the k-th transmission. Also determine the average number of transmissions until the receiver correctly receives the codeword.
How much power (in watts) is transferred to or from the inductor when the time is 1 ms? The current flowing through the inductor is given by 5e^-200t The inductance is 107 mH
Consider a MOS device with the following parameters: Aluminum gate, p- type silicon substrate, oxide thickness of 20nm, and surface fixed oxide charge of 4x1010 cm-2 (a) Determine the doping concentration such that the threshold voltage is 0.5V.
given the equation: τ=(t2-t1)/ln(v1/v2) and need to derive this equation: v(t)=(const)(e-t/τ) in order to do so. How to derive the second equation properly to get the first equation
The received power at a receiver antenna is -38 dBm. If the system impedance is 50 Ohms, what is the voltage at the receiver antenna. What is the total average power for a commercial AM transmitter with an unmodulated carrier power of 20 kW and 100%..
A l / 2 dipole, with a total loss resistance of 1 ohm, is connected to a generator whose internal impedance is 50 + j25 . Assuming that the peak voltage of the generator is 2V and the impedance of the dipole is 73 + j42.5
What is the data rate of a digital electrical communication system that uses 16 voltage levels to carry multiple bits with one voltage level, where each voltage level is kept at that level for a duration of 2 ms
What degree of matching in emitter area is required for the base-emitter voltages of two bipolar devices with identical collector currents to have a difference of less than 5.0mV Use VT= 25.85mV.
The p-n junction in part (a) is used as a capacitor in an LC circuit to tune two WHRO stations in your car radio. When no voltage is applied a radio station transmitting at 89.5 MHz is received. What is the voltage required to get the classical mu..
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