# lecture01 - I = 0 V in V out = I R 1 R 2 R 1 = V in R 1 R 2...

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Basic instruments Function generator: use high Z Oscilloscope DC power supply: V-limit, I-limit Digital multimeter: V-meter: R = “huge” I-meter R = “0” Connect in parallel Connect in series V A 0.0V V/ : 20A mA 0.0mA V/ : 20A mA

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When I = 0 at a point 1. Infinite R before and/or after that point Î simply disconnected. 2. No voltage difference between 2 points

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Unformatted text preview: I = 0 V in V out = I R 1 R 2 R 1 = V in R 1 + R 2 R 1 A more practical way to measure R th V th R th V th R th V measures V th V th R th V R e.g. if insert R = 50 : , V out drops by ½, what is R th ? Insert R and infer R th from new V out 5k 3k 3V 5V B A What are V A and V B ? Equivalent circuit: 5 V 6k...
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## This note was uploaded on 09/25/2011 for the course PHY 4802L taught by Professor Reitze during the Spring '11 term at University of Florida.

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lecture01 - I = 0 V in V out = I R 1 R 2 R 1 = V in R 1 R 2...

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