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A large microprocessor draws a total transient current of 10 A from a 3.3-V supply. The logic has a rise/fall time of 1 ns. It is desirable to limit the Vcc-to-ground noise voltage peaks to 250 mV, and each decoupling capacitor has 5 nH of inductance in series with it. The decoupling will be done with a multiplicity of equal value capacitors, and should be effective at all frequencies above 20 MHz.
a. Draw a plot of the target impedance versus frequency.
b. What is the minimum number of decoupling capacitors required?
c. What is the minimum value for each of the individual decoupling capacitors?
d. Could larger value capacitors be used just as effectively?
on an oscilloscope grid, the vertical axis is set to 1V/division, and the horizontal (time) axis is set to 1 ms/division.The postion of the CRT trace has been adjusted so that zero volt(ground) corresponds to the horizontal line in the center ofth..
During each revolution of the cam, a follower rises and falls 20 mm. During each follower up-stroke, the follower resists a constant force of 500 N. During the downstrokes, the force is negligible. The inertia of the rotating parts (including a sm..
(a) Show that the actual response at f=fT is approximately 9dB below the maximum value. What is the phase angle at this frequency (b) what is the slope of the magnitude plot for f>>fT What is the phase angle in this frequency range
Steam at 160 bar and 480oC enters a turbine operating at steady state with a volumetric flow rate of 800 m3/min. Eighteen percent of the entering mass flow exits at 5 bar, 240oC, with a velocity of 25 m/s.
What are two causes of core loss for a coil with an iron core excited by an ac current? What considerations are important in minimizing loss due to each of these causes? What happens to the power loss in each case if the frequency of operation is ..
A continuous time system is described by y(t) = t tan(x(t)). The continuous time system is sampled every T seconds to obtain a discrete time system y[n]. determine the mathematical expression for y[n].
a) draw a schematic diagram of the network showing all workstations, servers, segments and bridges (or gateways or routers or brouters). b) State which network software is used in the LAN and describe how the software facilitates the functions.
plane polarized light is sent through two consecutive polarizers, the first having its plane of polarization in the same direction as the incident light and the second having its palne at 90 degrees to the original plane of polarization.
A) Design a sequence detector using D flip-flops to detect the sequence 1101with the overlapping permitted. B) Design a synchronous counter using J-K flip-flops that hasthe following sequence:- 000,010,101,110 and repeat.
Compute the rectangular form of the four-point DFT of the following signal, which is zero for n =4. Compute the inverse DTFT of: X(ω)=sinΩ cosΩ
Draw a diagram for a MOD-10 Johnson counter using a 74HC164. Makesure that the counter will start the proper sequence when it isturned on. Determine the count sequence for this counter and draw the decoding circuit needed to decode each of the 10 ..
Consider a 32-bit data bus in a chip. Assume each bit has P0 = 0.2 and P1 = 1 P0 = 0.8 and all the 32 bits are statistically independent from each other. Estimate the power saving when we use the bit-invert technique.
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