ECE645 HW1 Spring2023

Explain this circuits in detail NOT and XOR gate

3. When used as a switch to control a high current device, these two operating regions of the transistor are used: a) Cut-off and saturation b) Breakdown and saturation c) Overload and underload d) Linear and breakdown b a d

I need the solution quickly with in 15 minutes

Q4-What is the fire angle that required to design an R-triggering circuit for a half wave controlled rectifier for SCR, the following parameters are applicable Igt(min) S0HZ „Resistance in gate current path = 60 k. 0.5mA, Vgt(min) = 0.7V, Vd=0.7V, Supply voltage = 30 V, LOAD

a. Calculate the transistor's Emitter current if it is driven by a small Base current of 7mA with a Collector current of 10mA b. Calculate the transistor's Collector current if it is driven by a small Base current of 1.96mA with a Emitter current of 100mA c. What is Rectifier? Also explain how a Bridge Rectifier works? Draw neat diagrams wherever necessary d. Explain why we need both Analogue as well as Digital Signals? Also elaborate the process of converting An Analogue signal into Digital Signal e. Explain the process of Transistor's Engineering

Please answer the questions 1 c, and d with details on why it is true or false. Please make handwriting legible. Thank you.

The pinch off voltage is the voltage A. At which gate source junction breaks down, B. Which causes depletion regions to meet, C. The voltage applied between drain & source, D. Neither of these.

ece What are IC Voltage regulators? State the different IC voltage regulators and its operation.

During output power measurement DC gives a deflection whereas AC gives properoutput. Why? Explain it. (Voltmeter, Ammeter and Isolator Connection of a Simple Half Wave Rectifier Circuit.)

Discuss the different types of protections available for a Silicon controlled rectifier (SCR). In what kind of situations is it required to connect a number of SCRs in parallel and series respectively?

Sketch the electronic symbol (schematic) for the following components/ devices. Briefly describe the function of the electronic component and use the IEEE/ANSI standard symbol as indicated below. LED NPN BJT PNP BJT

Figure Q6 shows the basic circuit for a Silicon Controlled Rectifier (SCR). Question 6 IĻoad V gate VP (A V Load Figure Q6 : SCR Arrangement a) Assuming the load is purely resistive : i) Sketch the load voltage waveform you would expect to see if the thyristors firing angle, a, was 30°: ii) For a secondary voltage of Vsinwt show that the average load voltage is described by : V -(1+cos(a)) Vay = 1 (27 "V sin Od0 where 0= wt 2л о You are given that Vy = iii) If the ac secondary voltage was 10Vrms and the resistive load is 202 what would be the average load current ? ||

Calculate the drain current if IDSS = 10 mA, pinch-off voltage of -4V and gate to source voltage is zero.

Explain the theory of the Generation High Voltage Direct Current(HVDC) using Rectifier Circuits..And also explain the half wave rectifier of the HVDC.. *High Voltage Engineering *Need two page long the teory

Describe the physical construction and operation of a Silicon Controlled Rectifier (SCR) or thyristor. Include the ‘Two Transistor’ in the answer. Use clearly labelled diagrams in the answer.

I need a diagram of a circuit by the transform and rectification block, using the bridge rectifier circuit (KBJ1008). It can be a source of any value. You don't need to do any calculations, just a drawing of how this circuit will look, please.

What is pinch-off voltage? Calculate gate voltage and drain current at the halfcutoff point if VGS(off) = -5 v and IDSS = 20mA.

UTM system. (a) Describe their different function and operation in the DC supply system. UTM (b) Can zener replace the function of the regular diode in the application described in a DC power supply A UTM in question 3(a)? Justify your answer. TM UTM UTM 2.UTM UTM UTM 5 UTM UTM UTM & UTM & UTM UTM &UTM UTM TM UTM & UTM UTM

How do you define the output voltage ripple in a rectifier circuit? Suggest a method to reduce theoutput voltage ripple.

What is the concept of PIV (Peak Inverse Voltage) for rectifier circuits?For which rectifier circuits is this value more important?

How would you reduce Req of a circuit by adding a resistor – numerical piece to follow.

An RTD is to be used as a temperature sensor and has a resistance at 0°C of 198 ohms. It forms one arm of a wheatstone bridge being balanced at this temperature and each of the other arms also being 198 ohms. If the temperature coefficient of the RTD material is 0.0075/K, what will be the output voltage in millivolts from the bridge per degree change in temperature if the supply voltage is 11.01V? No label, no unit, number only. Differential amplifier ... Offset ουtput Power supply Compensation lines RTD Add your answer

Q2: A transistor dissipates 50W in an ambient temperature of 60°C, the thermal resistances are 0-0.5 °CW¹, 8ca-4 °CW'. Determine the junction temperature without a heat sink. Determine the thermal resistance of the heat sink to avoid the junction temperature exceeding 180°C. 3

(a) Identify Drain and Source terminals in the PMOS. (b) Identify the region of operation for the PMOS. (c) Determine the drain current if VTp= -0.4 V, K'p = 65 μA/V², (W/L) = 20, and Ap = -0.2 V-1. 2.0V Ⓒ1.0V 5.0V

Briefly explain the basic concepts of transistors and diodes can function as logic gates! Please Answer with explanation and full Step thank u.... I'm needed in 30-60 minutes...

answer b.

The peak inverse voltage or PIV for the bridge rectifier is lower when compared to an identical center tapped rectifier. Select one: True False

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What are the key design considerations for power electronic systems, and how do you select the right power semiconductor devices for a particular application?