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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.
If we have a 600ohm transmission line terminated with a 1200ohm resistor, how long must the transmission line be if the input impedance is purely real?
Boron donor atome at a concentration of 10^15 cm^-3 are distributed uniformley throughout a silicon sample. The sample is then also doped with 6*10^15 cm^-3 of phosphorous. calculate the position of the Fermi level
Use Active HDL to show a timing diagram showing the inputs, outputs, and state (including last A) of the VHDL state machine of the attached design and bench test
1) three phase power system has a 220 V line-to-line voltage. what is most nearly the line currents 2) three phase delta system has line to line cuurent of 4.5 A. What are most nearly the line currents
in a balanced three-phase wye system the source is an abc-sequence set of voltage. the load voltage on the a phase is Van= 108.58
The measured current, voltage and power factor of a premium-efficient, three-phase, 125-hp air compressor motor are shown in the table below. Assume motor is 95.3% efficient at all loads. Loaded Unloaded Current (Amps) 127 63 Voltage (Volts) 476 47..
How do you use the Cayley-Hamilton technique to find the state transition matrix and the state equation output y.
A 50 µF capacitor, when connected in series with a coil having 40 ohms resistance, resonates at 1000 Hz. Find inductance of the coil. Also obtain the circuit current if the applied voltage is 100 V.
Explain the difference in amplitude associated with the output waveform based on the operation of the semiconductor diodes. background info: in the ouput the square wave oscillates from 0V to 1.1625V.
the diameter of a semiconductor plate of radius a is kept at 0 degree centigrade and the temperature at the boundry is T degree centigrade. Find the steady state temperature in the plate.
Write a main program to call a procedure that converts the Fahrenheit temperature value stored in the location labeled TdegF to its Celsius equivalent. The range of temperatures is 32°F to 212°F. The procedure stores the converted temperature
A 3-D cubic unit cell contains four atoms whose centers are positional halfway up along each of the vertical cell edges and one atom each centered in the middle of the top and bottom faces. Make a sketch of the unit cell.
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