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The surface concentration is fixed at N0=1.8e20/cm^2 when diffusing boron into a uniformly doped n-type substrate. The atomic diffusion constant for boron in Si at the temperature of 950 C is 3.0e-15 cm^2/s. calculate the metallurgical junction depths for the following conditions A)Nd=1.0e15 /cm^3 for 30 min B)Diffused at 950 C for 1 hr 30 min with Nd=1.5e16.
A BJT has beta =100,mod Aie=10 at 10 MHz and it is operating at a collector current of 5 mA.If transition capacitance =10pf 1) calculate beta cutoff frequency of BJT,unity gain frequency and diffusion capacitance
The equipment works in reception mode, 24 hours a day and throughout the year. About 120 daily Call Ringtone, a median time of 3 min duration each, except Saturdays and Sundays, which are carried out almost no calls are carried out.
It is necessary to determine the specific heat of an unknown object. The mass of the object is 170.0 g. It is determined experimentally that it takes 20.0 J to raise the temperature 10.0° C. Find the specific heat of the object.
What is the uncertainty in position of an electron of an atom if there is ± 2.0 x 10^7 m·sec-1 uncertainty in its velocity Use the reduced Planck's constant and electron mass = 9.109 x 10-31 kg.
Design the combinational 3 bit gray to binary code converter for conversion angular position of a shaft into binary code. 1) Complete the truth table 2)obtain the minimal solution with a K map 3) draw the circuit diagram, labels the inputs and output..
The output of an exclusive-NOR function is false only if exactly one of the inputs is true. Show the truth table of a two-input exclusive-NOR function, and implement it using AND gates, OR gates and NOT gates.
Suppose we have a resistive load that varies from 5 kOhms to 10 kOhms. We connect this load to an amplifier, and we need the voltage across the load to vary by less than 1 percent with variations in the load resistance.
Your will simulate 10lottery drawings. Store those data to a 3 10 array. The rowsindicate the three balls in a lottery drawing. The columns indicatethe 10 times drawings.
A 4800/480 volt, single phase transformer is rated at 75KVA. test results performed for rated power showed the following. short circuit test V=80v, P= 2470W, I= Rated current open circuit test V= 480v, I=4Amp, P=616W
In a step-down converter, consider all components to be ideal. Let v_0 = V_0 be held constant at 5 V by controlling the switch duty ratio D. Calculate the minimum inductance L required to keep the converter operation
Consider a Si p-n junction at room temperature. If the doping concentrations are NA=1016 cm-3 and ND=1015 cm-3, what is the depletion width also known as space charge width. Also find the maximum electric field.
A pn junction diode is forward biased by a Thevenin circuit consisting of Rth = 5kohm and Vth = 10sinwt where w= 2pi*10rads/s. Find the diode voltage and current as functions of time.
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