Q1/ In the circuit shown below, the zener diode used has the following specifications : Vz= 12 volt, Izk = 0.25 mA and PD( max) = 1.5 watt.Find the limits of voltage . regulation done by the zener diode
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- Use the DC power supply VSS of +9.0 Volts.Calculate the the forward turn-on voltage of the diode..For an NPN Bipolar Junction Transistor base-emitter voltage, VBE is 0.7 V at collector current,Ic of 1mA. Calculate the saturation current, emitter-base voltage, emitter current whencollector current is (X+2) mA. Assume β =100 and T=300 K for your calculation.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)
- 2. Given:VCC: 16 voltsRB1: 7000 ohmsRB2: 50 ohmsRB3: 50 ohmsRB4: 1500 ohmsB=beta: 100RE: 750 ohmsRC: 500 ohmsVCE: ? voltsPrior to the availability of Schottky diodes, theBaker clamp circuit as shown was used toprevent saturation. What is the collector-emittervoltage of the transistor in this circuit assumingthat iB > iC/βF ? What are iD1, iD2, and iC ifiBB = 250 A, iCC = 1mA,βF = 20, and βR = 2?NOTE: FOR ALL CIRCUITS SHOWN IN THIS QUIZ ASSUME THAT: β= 100 (for all transistors) ; Early voltage equal to infinity. 1.- In the circuit of figure Nº A, the secondary voltage Vs is 15 volts rms with a frequency of 60 Hz, R equal to 100 Ohms and C equal to 1000 microfarads. The diodes are silicon (Vd = 0.7 volts) and the Zener diode is 15 volts. Determine:a) The magnitude of the ripple voltage at Cb) The Magnitude of the Peak Inverse Voltage (PIV) for D1 and D2
- Explain the two types of MOSFETs (draw the physical structure as well). Also explain themajor difference between them regarding mode of operation?Draw an NPN transistor Circuit with Vbb = 3V, Rb = 23k Ohms, Vcc = 10 V, Rc = 800 Ohms, Beta = 30. Determine Loadline, Vce = ?, Ic =?, mkde of operation. Please show all work. I will definately rate. Thank you!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,
- what is the schematic diagram of tp4056 charger moduleThe mode of operation for the D-MOSFET is Select one: a. the ohmic region only b. the enhancement mode only c. both the depletion and enhancement modes d. the depletion mode onlyA 10 V Zener diode is used to regulate the voltage across a variable loadresistor. The input voltage Vs varies between 13 and16 V. The loadcurrent (??) varies between 10 and 85 mA. The minimum Zener current is15 mA. Findi. The maximum value of Rsii. The maximum power dissipated by the Zener diode, using the value ofRs.