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A capacitive transducer is used in a mattress to measure changes in breathing patterns of an infant. During inspiration and expiration, the rate of change (i.e., dV/dt) in voltage across the capacitor is equal to 1V/s, and this change can be modeled by a triangular waveform. Plot the corresponding changes in current flow through this transducer.
A sequence of 10 bits is transmitted over a binary symmetric channel with bit error probability Pe. Assume that bit errors occur independently. The sequence is considered to be received in error if more than two bit errors occur.
A lossless transmission line of electrical length l = 0.3? is terminated with a complex load impedance . Find the reflection coefficient at the load, the SWR on the line, the reflection coefficient at the input of the line
Describe the operation of the transmission gate. Consider the source and drain terminals of both the NMOS and PMOS devices. Why not use two NMOS devices Does it pass analog or digital signals
a digital channel is described by 16 QAM, the data rate is 50 Mbps, the bandwidth is 200 MHz, the power is 1 W, and the received noise level is 50 mW. Resolve for SNR, Baud Rate and the Max theoretical bit rate for the channel.
When output characteristics (Ids versus Vds) plotted for n-channel JFET at Vgs made positive with respect to source , What will be expected at the output characterics (current)
A storage tank has a Diameter of 20ft and a height of 10ft. The output volumetric flow from this tank is given by fout(t)=2h(t) where h(t) is the height of the liquid in the tank. At a particular time the tank is at steady state with an input flow..
Use MATLAB to obtain a Bode plot of the transfer-function magnitude for R1 = 9 k Ω, R2 = 1 k Ω, and C = 0.01μF. Allow frequency to range from 10Hz to 1MHz.
When a type of integrated circuit is tested at 185 degrees Celcius, 10% of the circuits fail within two weeks with VDD = 1.0V. Estimate the 10% lifetime at 95 degrees Celcius and 1.0V assuming Ea = 1.0eV.
Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED.
A three phase transformer is constructed from three 3kVA transformer. Secondaries are wired in Delta configuration with a balanced load. What is the maximun combined power that can be delivered to the load
Consider the analog filter H(s)=30000/(s^2+400s+30000) , notice that the filter gain in the passband is unity or 0 dB. You can also use MATLAB command "roots" to check for the poles that are p_1=-100 rad/s, and p_2=-300 rad/s.
A BJT is being used as a switch and is triggered whenever thebase-emitter voltage v(t) rises above 0.15 volts. The voltage v(t)is sinusoidal and changes according to v(t )= 0.23cos( 100π t)+ 0.16sin(100π t + 0.4) . a) Express v(t) a sine function ..
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