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Lab3

# Lab3 - University of California at Santa Cruz Baskin School...

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University of California at Santa Cruz Baskin School of Engineering EE-70L: Introduction to Circuits Lab Laboratory 3 Introduction: This experiment is the first that deals with signals (voltages and currents) that change over time. In order to generate and analyze such signals, you will use two more pieces of equipment: the oscilloscope and the function generator. Read through chapter II of the introductory handout which contains a description of some of the main features of these instruments. This should be helpful in getting started. In the experiment itself, you will use both one-time perturbations of a DC circuit (transients as induced by a switch) and continuously varying signals. At the end of the lab, you will be able to: Understand RC and RL circuits Measure the time dependent response of an RC circuit Measure time dependent signals on the oscilloscope Design an RC transient circuit with desired properties Topics from lecture you need to be familiar with: Capacitors and inductors as energy storing circuit elements Transients in RC/RL circuits RC time constant Simple exponential functions, steady-state values Pre-lab questions (hand in before lab starts): 1. In what form do capacitors/inductors store energy? 2. Why can a circuit with a capacitor and n (n>1) resistors be reduced to a circuit with a single capacitor C and a single resistor R? 3. How do you get a short/long time constant in an RC/RL circuit?

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Lab3 - University of California at Santa Cruz Baskin School...

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