ELEC20402 Experiment 4

ELEC20402 Experiment 4 - ELEC204-02 Technical Report for...

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ELEC204-02 Technical Report for Lab Experiment #4 Equivalent Sources Submitted by: D. Bunn T. Seabolt Date of Submission February 14 th , 2007
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Purpose of experiment To experimentally demonstrate the various ways to acquire the resistance of an unknown resistor network, then verify that P AV is greatest when R L is ½ R S . Model numbers of equipment used Hewlett-Packard HP34401A Multimeter Hewlett-Packard HPE3631A Power Supply Fluke 8010A Digital Multimeter Resistor Network Box 2 Heathkit IN-3117 Decade Resistance Box Block diagram of test set up Load Extremes method: Ohmmeter Measurement: Voltage Probe:
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Matched Load and Generalized Voltage Drop: Part B: Circuit Schematics: Thévenin Equivalent V o c 4 . 0 7 8 9 V d c R s 2 9 . 1 3 5 k Norton Equivalent I s c . 1 4 m A R s 2 9 . 1 3 5 k Test Procedure Equations used: (Measured-Computed)/Computed * 100 = % Error Power = Voltage * Current (P=V L *I L ) Load Extremes: V OC /I SC = R S Voltage Probe: R S = 1/I P Matched Load: V L = 1/2V OC , such that R L = R S Generalized Voltage Drop: V L = β*V OC , such that (1-β/β)*R L = R S and β = .8
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ELEC20402 Experiment 4 - ELEC204-02 Technical Report for...

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