Lab 3 Bipolar Junction Transistor(2)

Lab 3 Bipolar - Purpose To observe the input and the output characteristics of a BJT in a common-emitter configuration Requirements Diagrams

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Purpose: To observe the input and the output characteristics of a BJT in a common-emitter configuration. Requirements: Diagrams: Procedure: 1) Build the common-emitter circuit shown in Figure 4, using the dual power supply for and . For this part, let = 100kΩ. 2) Open-circuit the base connection by removing. Raise to 16 volts and then measure the voltage across and with the multimeter. Decrease incrementally, and then measure and each time you decrease the voltage. Be sure to take sufficient data for a smooth plot of vs . You will need to take more measurements near the origin, where the graph is nonlinear, and fewer in the linear region. Take at least 10 points of data, and record them in the table below. Vce (V) Vr2 (V) Ic(mA) 6.44 9.54 95.4 6.44 8.39 83.9 6.46 13.5 135 6.46 5.14 51.4 6.47 3.83 38.3 6.47 2.32 23.2 6.47 0.844 8.44 5.7 0.056 0.56 4.31 0.043 0.43 1.75 0.017 0.17 0.649 0.006 0.06 2.77 0.027 0.27
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3) Replace , let = 100Ω resistor, and set so that = 10μA. To do this, you will
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This note was uploaded on 11/14/2011 for the course EE 361 taught by Professor Most during the Winter '08 term at Cal Poly.

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Lab 3 Bipolar - Purpose To observe the input and the output characteristics of a BJT in a common-emitter configuration Requirements Diagrams

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