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Problem 1: A p-type piece of silicon has a length of 0.2 μm and a cross section area of 0.05 μm x 0.05 μm sustains a voltage difference of 2V. Calculate the total current flowing through the device at room temperature if the doping level is 1017cm-3.
Problem 2: Let the VDon = 0.7 V for each diode in the circuit below. Find ID1 and Vo for R1 = 10kΩ and R2 = 5kΩ.
Problem 3: Consider the circuit below. Use an ideal diode model to sketch vout versus time if vin = 5 sin ωt V.
Problem 4: Plot the input/output (vout vs. vin) characteristic of the circuit shown in Figure PQ4. Assume a constant -voltage model, VD(on)= 0.7V is used.
Design a linear unregulated power supply that will provide an average of 500mA to a load at 15 volts average. Use a 12.6 VRMS sinusoidal source.
Below each drawing prepare a chart listing each hole and its X and Y coordinates. The letters shown at the holes indicate the sequence in which they are to be drilled. Note the location of the origin.
A single-phase load is supplied through a 35-kV feeder whose impedance is 95 + j360 ohm and a 35-kV:2400-V transformer whose equivalent impedance is 0.23 + j 1.27 ohm referred to its low-voltage side. The load is 160kW at 0.89 leading power factor..
If such a motor is to produce a rated torque at hrequencies below 60 Hz while maintaining a constant air gap flux, calculate and plot the required line-to-line voltage as a function of frequency.
A cable TV receiver has an input impedance of 200 ohm The cable TV distribution system uses RG-6 cable. This cable has a characteristic impedance of 75 ohm Design an impedance matching stage to maximize the power transfer
an electric field of 3.10times105 is desired between two parallel plates each of area 36.0 and separated by 0.620
A nameplate is given in Example 17.2. Find the rated torque, rated volt amperes, and maximum continuous output power for this motor.
Simulate the collector current vs. collector-emitter voltage characteristics and Determine the common-emitter current gain
What charge should be placed on the particle at position B such that the force on the particle at A is exactly zero.
When no real time processing is needed the system can be noncausal. Consider the case of averaging an input signal x(n) uner real time conditions. suppose you are given two different filters y{n}= 1/n *(symbol of Sum) x(n-k) on top N-1 at bottom k=..
Show that this is indeed the case. Describe a system that will permit reconstruction (within a constant factor) of this sinusoid from its samples taken uniformly at a sampling rate approaching zero.
Given that the resistors that can be used in the lab have a maxpower rating of 1/8W and the logical voltage values will be 0V or5V at the input, determine an appropriate size for the requiredresistor assuming a .
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