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A DRAM must operate with a minimum refresh time of 4 ms. The storage capacitor in each cell has a capacitance of 50 fF and is fully charged to 5V. Find the worst-case leakage current (i.e. during the refresh cycle 50% of the stored charge is lost) that the dynamic node can tolerate.
a) determine the wave equations for all three regions b) what is K for each region c) using matrix algebra, determine the coefficients to the wave eaquation in region 2
An OpAMP has a GBWP of 100MHz and a slew rate of 10V/us and AVoc = 160dB at DC. Assume VCC = +/- 15 Volts. a. If the opamp is configured as a non inverting amplifier with voltage gain of 50.
If the fundamental frequency of a square wave is 10 kHz, what are the first three frequency components contained in the square wave
A farmer owns two barns; one north of a creek and the other south of the creek. The farmer has a Cabbage, a Goat, and a Wolf. The Farmer needs to put each item in a barn every night. If the Cabbage and Goat are in the same barn
The first stage is a transconductance amplifier with an input resistance of 2k ohms, an output resistance of 100k and a gm=0.002A/V. The second stage is a voltage amplifier with an input resistance of 5k, an output resistance of 18 ohms and a volt..
Refer to the Wheatstone Bridge diagram. If R1=1ohm, R2=111ohm, Runknown= 1ohm, R3 is set at 1Kohm, and the battery is 9V:What is the current flowing through the galvanometerohm Use 60ohm for the internal galvanometer resistance in calculations.
The current flowing through a 300-mH inductance is given by 5exp(-200t) A, in which time t is in seconds. A) Find an expression for the voltage in terms of t. B) Find an expression for the power in terms of t.
A thin metal disk of mass m=2.00 x 10^-3 kg and radius R=2.20cm is attached at its center to a long fiber. When the disk is turned from the relaxed state through a small angle theta, the torque exerted by the fiber on the disk is proportional to t..
If the cutoff between "insecure" and "secure" were x amount of time, how long would a secure password have to be. State and justify your assumptions regarding the character set from which the password is selected and the amount of time required to..
There is a 3 ohm resistor and a j4 ohm inductor in series with each other, and parallel to the input voltage. There is a 4 ohm resistor, a -j13 ohm capacitor, and a 10 ohm resistor in series, which is parallel to the input voltage.
What is the channel capacity for a channel with a 300 Hz bandwidth and as S/N = 3? 2nd problem: Given a channel with a 50 kHz bandwidth and a S/N = 127, determine:
An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor ..
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