EEC323 Assignment 20... x AC tutorial.par Chapter 3 CA.pur LACICISE 1. mummarty uctector Limpter 1 CEL 201 We propose to study the assembly of figure 1 which allows the ignition of a red diode from a certain percentage of humidity in the air detected by a sensor. The assembly elements are: VDD=3V, R₁=1km2, R₂=10092, R3=27022. Diode D₁: VSD1 1.2V, RSD1=12 2. Transistor T₁: B=100, VCEsat 0.2V and its base VST1=0.6V, RST1=1k2. The value of the resistor RH depend on the air humidity's percentage (noted X) following the relation RH=30X; where RH is in 2 and X in %. In R₁ JAUTRINAE RH R₂ Capteur d'humidité Wiktor *varmapur Thevenin IBI VBEI R3 VDD LED rouge Figure1: Ici T₁ VCEL all numerical applications, we will suppose that B+1 B. VDD is referenced to ground. 1. Determine the expressions of the elements of the equivalent Thevenin generator (indicated on the figure) according to VDD, R₁, R₂ and RH. 2. Taking into account the operation of the transistor, give the expression of the current flowing through the resistor R3 as a function of IB1. 3. Give the expression of the voltage VEL as a function of IB1. Deduce the expression of VCE1 VEL D₁ M
EEC323 Assignment 20... x AC tutorial.par Chapter 3 CA.pur LACICISE 1. mummarty uctector Limpter 1 CEL 201 We propose to study the assembly of figure 1 which allows the ignition of a red diode from a certain percentage of humidity in the air detected by a sensor. The assembly elements are: VDD=3V, R₁=1km2, R₂=10092, R3=27022. Diode D₁: VSD1 1.2V, RSD1=12 2. Transistor T₁: B=100, VCEsat 0.2V and its base VST1=0.6V, RST1=1k2. The value of the resistor RH depend on the air humidity's percentage (noted X) following the relation RH=30X; where RH is in 2 and X in %. In R₁ JAUTRINAE RH R₂ Capteur d'humidité Wiktor *varmapur Thevenin IBI VBEI R3 VDD LED rouge Figure1: Ici T₁ VCEL all numerical applications, we will suppose that B+1 B. VDD is referenced to ground. 1. Determine the expressions of the elements of the equivalent Thevenin generator (indicated on the figure) according to VDD, R₁, R₂ and RH. 2. Taking into account the operation of the transistor, give the expression of the current flowing through the resistor R3 as a function of IB1. 3. Give the expression of the voltage VEL as a function of IB1. Deduce the expression of VCE1 VEL D₁ M
Chapter59: Motor Startup And Troubleshooting Basics
Section: Chapter Questions
Problem 12SQ: How is a solid-state diode tested? Explain.
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