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A nnpn transistor has an emitter area of 10mm x10mm. The dopingconcentrations are as follows: in the emitterNd=1019 cm3, in the baseNa=1017 cm3, and the collectorNd=1015 cm3. The transistoris opera
A player win $1 dollar if he throws two heads in succession,otherwise he loses two quarters. If the game is reported 50times, what is the probability that the net gain or loss exceeds $1 dollar
An electric motor is monitered with an ammeter, voltmeter, and wattmeter, which indicate 5.2A, 120V, and 480W, respectively. Assume 60 Hz a) Draw a phasor diagram of the voltage and current, assumin
given signal a e^-(10t) and ask to simplify byfactor of 5. you can asssume that the input to the amplifier circuitwill be a corrupted version of this signal: Vin(t)=e^-(10t)+0.4sint(377t)+0.2sin(0.1
Once the sequence starts it will complete.If E=1 during the last output in the sequence the sequence repeats. Otherwise if E=0 the output remains constant at 1. The first thing they want in this pro
In maximum power transfer problems, how do you determine whether the Thevenin voltage is expressed in terms of its maximum amplitude or its rms amplitude
At the very end of part a, when the average power delivered to the load is being calculated, why is it multiplied by10-6
An ad hoc 2 Mbps WLAN using aloha protocol connects two stationswith a distance of 100 m from one another-each, on the average ,generating 10 packets per second. If one of the terminals transmitsa 1
Suppose that the distance from the base station to your digital cell phone is 50 meters, and that the maximum transmission rate that you can achieve is 128 kbits/second. If the bandwidth of the chan
Design a BCD-to-decimal decoder using the unused combinations ofthe BCD code as don't-care conditions.
If one of the resistors in a parallel circuit were shorted, what would you expect to see happen and could a shorted component in a parallel circuit cause an open to occur elsewhere.
Write Verilog code that implements a 4-bit adder with carry-lookahead (i.e., not a ripple-carry adder). Your designshould have an output C4 for a carry generated in the mostsignificant bit stage and
Design a regulated powersupply that will supply 1 A output current with a DC voltage outputof +5V and -12V with a ripple voltage of 0.01 V peak to peak. The designshould provide output short circuit
The content of a 4-bit register is initially 1111. The register is shifted eight times to the left, with the sequence 00101011 as the serial input. The leftmost bit of the sequence is applied first.
An integral controller is used for speed control with a setpoint of 12 rpm within a range of 10 to 15 rpm. The controlleroutput is 22% initially. The constant KI = -0.15% controller output per secon
A digital transducer has 80 cut-outs. It is used tomeasure the speed of a motor shaft. Output signal frequency is800Hz. Find out the motor shaft speed
A farmer measures the perimeter of a rectangualr field. The length of each long side of the rectangle is found to be 38.44 m, and thelength of each short side is found to be 19.5 m. What is theperim
Since typical operating magnetic flux densities exceed the saturation flux densities of iron, these machines are typically designed withoutiron in the magnetic circuit; as a result, these machines e
Design calculations show that the following parameters for a three-phase, cylindrical-rotor synchronous generator: Phase-a self inductance Laa = 4.83mH Armature leakage inductance Lal = 0.33mH
The output should have an adjustable linear output voltagerange of between 0 to 5 V and be capable of supplying a current of150 mA throughout the voltage range. The design should include acircuit s
begin to figure out how to determine which BJT is off or why. I tried modeling the BJT's as two diodes: NPN BJTshares anodes and PNP shares cathodes. Doing it this way doesnot provide the correct an
If 10.6 V is measured across a 5.9 kW resistor and the resistor is in series with a 6.3kW resistor, what would be the current flowing through the 6.3 kW resistor inmA
Design an operational amplifier based proportional-integralcontroller with a proportional band of 30% and an integration gainof 0.1%/(%.s). The 4-20 mA input converts to a 0.4 to 2.0volts signal, an
A thermocouple is installed in the exhaust of an incineratorused to deodorize fumes from a corn chip fryer. The electronic instrumentation isdesigned to employ type K thermocouples and the temperatu
It is required to design a drain-to-gatefeedback NMOS to operate at a dc drain current of .5mA. Assume VDD= +5V, knW/L =1mA/V2, Vt =1 V, and lambda=0. Use astandard 5% resistance value for RD, and g