ELEN435_W10Lab_Anderson

Explain the two types of MOSFETs (draw the physical structure as well). Also explain themajor difference between them regarding mode of operation?

Draw the DC circuit:  b)DC computations: Compute the DC collector current of each transistor. I_C 1 = ________________________ mA I_C 2= ________________________ Calculations:  c)Draw the AC circuit and compute gm, r_pi for the system. g_m 1= _______________________ mA/V r_pi 1 = _______________________ kohms g_m 2= _______________________ mA/V r_pi 2 = _______________________ kohms AC circuit:  Calculations: d)Compute the gain A_v=Vo/Vi at the operational band (for sufficiently high frequency) Gain = A_v = ______________________________ Computations:

Explain the concept of power semiconductor devices such as Insulated Gate Bipolar Transistors (IGBTs) and Thyristors. How do these devices enable efficient power control and switching in high-power applications?

Draw dc load line :

a) Why is a current-controlled current source used to model the 'active' behaviour of any Bipolar Junction Transistor?

1) what is the Voltage & Current rating ofTriode for Alternating Current (TRIAC)  2) 5. Are the following statements correct or wrong? Justify your answer.(a) Thyristors are used only for low voltage, low current applications.(b) MOSFETs are used for high frequency applications.(c) BJT is more efficient than IGBT in high power applications.(d) GTO requires very low current applied to its gate to be turn off.(e) IGBT is a voltage driven device.

If a sinusoidal voltage is applied to the base of a biased npn transistor and the resulting sinusoidal collector voltage is cut to near zero volts, what is the state of the transistor? Please select one: a. answers B and C b. interrupted drive c. answers A and C d. forced into nonlinear operation e. drifting into saturation

1. The following questions refer to the circuit shown below. a) What do the areas of the circuit labeled "., ", and" do? b) Explain the operation of the circuit, beginning on the left (please be specific, do not include the motor or the AC source) c) How would you wire this circuit to a load and a 120VRMS source (note: "N" is Neutral or GND) To Load IL "A" 56R 240R 33RI V1 5v 立三立 120Vrms 160HZ 0° 33nFi ON

Prepare the comparison table for the Power semiconductor devices  1)Integrated gate-commutated thyristor (IGCT) 2) Static induction thyristor (SITH) 3)Static induction transistor (SIT)   .(Symbol, VI characteristics, Application, Voltage & Current rating)

4. (a) Draw the IV characteristics of a thyristor and explain what the importance is of the 'latching' and 'holding' current. (b) By describing the construction of an NPN BJT, explain how the BJT can work under different biasing conditions.

Topic: Transistor Familiarization a. Describe how to determine whether an unknown transistor is a PNP or NPN type with just the aid of an ohmmeter. b. In order for a PNP or NPN transistor to function, what bias must be applied to the emitter-to-base junction? c. Differentiate the transistor from the vacuum tube.

(c) Figure Q3(c) shows an E-MOSFET biasing circuit. R₁ R₂ tur VDD Ro Figure 03(c) Explain briefly the operation of the circuit for the condition when R₁ is opened and when R₂ is opened.

chose the correct answer for the following:1-An SCR is semiconductor device which consists of:a.Four PN junctionsb. Three PN junctions c. Two PN junctions d. One PN junction-------------------2-Relay control is one of the ....................... applications.a.Triac b. Darlington c. SCR d. Diac

QUESTION 2a) How would you characterise power bipolar devices in comparison with power MOSFETs? Illustrate your answer by providing unique features of power MOSFETs. b) Using the aid of a MOSFET diagram, explain operational features of the power MOSFET. Support your explanation using MOSFET operation as a switch. Also, illustrate the conditions needed to drive a power MOSFET in the different regions of operation. c) Discuss four (4) advantages of a bridge or half-bridge forward converter when compared with a single-ended forward converter

Explain the operation of the circuit by drawing the AC power control (regulation) circuit with the triac and the waveforms of the voltage at the load ends.

644-ELECTRONICS LAB..-5 In the half wave rectifier circuit, if the maximum output signal is 12.3 volts, what is the DC_Average for this signal? Select one: Oa. 3.92 volts Ob. 6.15 volts O c. 7.83 volts Od. 12.3 volts

Subject:Electronics Engineering  With a neat circuit diagram, explain the Voltage Divider Bias circuit using approximate analysis. Also derive the equation of stability (S) for Voltage Divider Bias circuit.

Give a conclusion about BIPOLAR JUNCTION TRANSISTOR: OPERATION AND ITS CHARACTERISTIC CURVE

Amplification in the ac domain cannot be obtained without the application of dc biasing level. a.Depending on the configuration b.Sometimes c.True d.False

Q1- For single phase voltage source bridge inverter: 1- Draw the circuit. 2- With R=102 , L=50mH, frequency is 50 Hz , supply voltage is 450V and quasi-square wave output and a 50 percent on time, draw the waveforms of output voltage (VL.) and load current (iL) when I=25.05A , Io= -9.217A. 3- Calculate the RMS value of output voltage and mean output power.

Please write introduction about AC Circuits – Series and Parallel connected Circuits. (note :please write words )

Answer number 5

ans fast please

Write the appropriate term for the following questions 1. A clipper or limiter circuit consists of a semiconductor device named and one resistor. 2. A clipper circuit used to remove or clip-off negative cycle of input signal is called series. clipper. 3. clamper clamps/shifts the input wave to the specific voltage level. that in CB 4. The leakage current in CE arrangement is arrangement 5. The ends of a load line drawn on a family of curves determine 6. What is the value of drain current when Vos-pinch off voltage---- 7. A BJT is in the saturation region if Both the junctions are biased

iv. For six-phase half-wave rectifier circuit, the preferred circuit from the point of harmonics reduction in the supply currents is: (a) Simple six-phase half-wave circuit. (b)Double-star six-phase half-wave circuit. (c) Six-phase fork connection circuit. v. The DC supply of single phase bridge inverter is 350V. For quasi-square wave output voltage with a 70 percent ON time and frequency is 50HZ, the RMS value of output voltage is: (a) 292.8V (b) 220.5V (c) 250.6V

The transistor lead that serves as a source charge is known as? It is a bistable type of a relay and it has two normal states. Which type of transistor only has two layers of semiconductor materials placed on top of the other?

Demonstrate the operation of the Residual Current Devices (RCD).

16)This Multiple choice questions from electronics lab course &just write for me final answer ,It easy for you.