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A Si sample is doped with 106cm-3 boron atomsand a certain number of shallow donors. The Fermi level is.36eV above Ei at 300K. What is the donor concentration Nd?
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 frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symbol period of 1/(9600Hz) to contain 6 cycles of the sin and cos
An 8-bit A/D converter has Vref- = 2 V and Vref+ = 5 V. The analog input signal vin has a frequency range of 300 Hz to 3.4 kHz. a) If vin = 7 V, what is the binary value on the A/D output pins b) If vin = 1 V, what is the binary value on the A/D outp..
Nanowire with square cross-section: Starting with the time-independent Schrodinger equation: (a) use separation of variables to obtain three ordinary differential equations (ODEs) (b) solve the ODEs and obtain the solution that satisfies the boundary..
determine whether a three-bit number, a3, a2, a1, is equal to another number, b3, b2, b1, or if it is greater than that number. (We do not need an output for less than.) a. Show how the 7485 would be connected to accomplish
A listener increases his distance from a sound source by a factor of 4.11. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB
A 25-kVA load with power factor 0.80 lagging has a group of resistive heating units added at unity power factor. How many kW do these units take, if the new overall power factor is 0.85 lagging
Suppose a 74LVC1G373 latch is used with VCC=3.3V. OE ispermanently tied to logic 0 and LE is permanently tied to logic 1.Also, the load capacitance is 15pF. Assume the D-input is connectedto a 30% duty cycle clock signal.
Two Random variables have a joint probability distribution function defined by F(x,y)=0 X 1y>1 A). Sketch this distribution function. B). Find the joint probability density function and sketch it.
If a silicon diffusion is doped with phosphorus (donors) at a concentration of 1.0 x 10^16/cm^3, and has a sheet resistance of 365.7 ohm/cm^2 square, what is the thickness of the diffusion in microns
A 3uF capacitor is charged to 100 V. If it is the connected in parallel with a 10 uF capacitor, what voltage will be across the capacitors
Visible light has wavelengths from 400 to 700 nm in a vacuum. a. What is the range of frequencies b. For visible light in water, what is the range of wavelengths
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