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1. How would you bias a BJT in a common emitter amplifier in order to minimize the Miller feedback capacitance2. Explain how it is possible to identify the different current transport mechanisms that dominate the total current flowing through the pn junction. Why is this information is important to device engineers?
3. From a simple pn junction diode, predict the expected relative magnitudes of ac capacitances in a bipolar junction transistor under normal operating conditions(base emitter junction forward biased and base collector junction reverse biased).Discuss the base emitter capacitance and base collector capacitance.
Implement a multiple mode counter
A 3-phase, 20 kVA, 208 V, 4-pole star-connected synchronous generator has a synchronous reactance of Xs = 1.5 ohm per phase. The resistance of the stator winding is negligible. The machine is connected to a 3-phase 208 V infinite bus.
Three single-phase transformer are used to form a three-phase transformer bank rated 13.8kV(delta)/120kV(wye). One side is connected to a three-phase load of 12 MVA at 0.8 power factor lagging. Determine the turns ratio of each transformer
b. To maintain one per unit voltage at rated load, find the per unit generator voltage needed. c. Find load current in amps, current through the transmission line in amps, generator current in amps, and the genertor voltage in volts.
A conservative design team C and an innovative design team I are asked to separately design a new product within a month. From past experience, we know The probability that team I is successful is 1/2 The probability that one and exactly one team..
The Y values correspond to an X domain ranging from -3 to 6 with a step size of 0.01. The program must use a function that performs the numerical differentiation method described below to calculate the derivative of the input data and write the re..
1 To double the corner frequency in the low-pass and high pass two-pole filters, how would you change the values of the resistors and capacitors .2 Compare the one pole RC filters used in an active setup versus the passive setup
Suppose a certain causal signal f(t) has a Laplace transform F(s) = 1. If f(t) is sampled at times kT where T is a constant time interval and integer k>=0, what are the sample values
select a window function to limit the number of samples of an infinite impulse response and the filter specifications are the same, regardless of which window function you select. If you are given the option of using either a Hamming
A 100 kVA 2000/400 V, 50 Hz single-phase transformer gave the following test results. With 2000 V applied to the primary with the secondary on open circuit: current 2 A, power 1400 W With the secondary short-circuited and 112 V applied to the primary..
An AC sine wave is applied to the input of a full wave rectifier. The output of the full wave rectifier is then applied to a half wave rectifier.
An electric stove with four burners and an oven is used in preparing a meal as follows. Burner 1: 20 minutes Burner 2: 40 minutes Burner 3: 15 minutes Burner 4: 45 minutes Oven: 30 minutes If each burner is rated at 1.2 kW
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