SuhasPatel (EE2231 Lab2)

SuhasPatel (EE2231 Lab2) - switch it would behave like...

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EE 2231 Electronics Laboratory Suhas Patel Randall Robert (Partner) 437-93-4360 February 5, 2004 Experiment 2 (Session 2) Resistive Voltage Division
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EE 2231 Suhas Patel February 5, 2004 Randall Robert Objective: To study voltage division in circuits with potentiometers. Procedures: 1. Connect a potentiometer as in figure 1a. Record the output voltage as a function of the potentiometer position. 2. Add a 10 k resistor to the POT tap and repeat step 1. The result will not be identical to procedure 1. At the middle setting the output voltage will be 4V rather than 5V. 3. Figure 2a is obvious. Figure 2b is a rough approximation to a transistor with finite output resistance. Think of the 3.3 k resistor as a collector resistor (it will make sense later in 2230). Record the output voltage as a function of POT position. If the transistor were a perfect
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Unformatted text preview: switch it would behave like figure 2a. 4. Repeat procedure 3 for figure 3. Circuits Diagrams: 2 Observations: Below are the measured output voltages for all the given circuits. switch position output voltage Figure 2a Figure 3a Open 9.90 V 9.90 V Closed 0.30 mV 0.09 mV HOURLY POSITION output voltage Figure 1a Figure 1b Figure 2b Figure 3b 7 oclock 0.20 mV 0.21 mV 7.50 V 9.88 V 8 oclock 0.25 V 0.27 V 7.42 V 8.34 V 9 oclock 1.27 V 1.52 V 7.08 V 6.63 V 10 oclock 2.07 V 2.26 V 6.87 V 5.31 V 11 oclock 3.34 V 3.05 V 6.52 V 4.44 V 12 oclock 5.17 V 3.97 V 6.03 V 3.78 V 1 oclock 6.25 V 4.84 V 5.38 V 3.32 V 2 oclock 7.43 V 5.64 V 4.71 V 3.09 V 3 oclock 8.49 V 6.91 V 3.44 V 2.63 V 4 oclock 9.34 V 8.94 V 1.28 V 2.42 V 5 oclock 9.92 V 9.91 V 0.88 mV 2.38 V 3 4 5 6...
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This note was uploaded on 01/25/2012 for the course EE 2231 taught by Professor Staff during the Spring '08 term at LSU.

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SuhasPatel (EE2231 Lab2) - switch it would behave like...

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