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ECE214_Lab5_2011

# ECE214_Lab5_2011 - ECE 214 Lab#5 Basic Op Amp Circuits 15...

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ECE 214 - Lab #5 — Basic Op Amp Circuits 15 February 2011 Introduction: In this lab you use the LM741C Operational Ampliﬁer (OpAmp) and will experi- ment with some of the basic circuits that can be built with an OpAmp. Pre–Lab: 1. Determine appropriate values for resistors R 1 and R 2 for the Inverting and Non–inverting ampliﬁer circuits shown in Figure 1a and Figure 1b respectively, that will produce a voltage gain with a magnitude of 23 dB. Use “standard” values of resistors, assume the OpAmp is ideal and the frequency is 1 kHz. Choose values of resistors such that the input impedance of the circuit is much greater than the output impedance of the HP 33120A function generator. R 2 V OUT R 1 - + +V SUP -V SUP V IN + - + - (a) Inverting OpAmp Circuit R 2 V OUT R 1 - + +V SUP -V SUP V IN + - + - (b) Non–inverting OpAmp Circuit Figure 1: Inverting and non–inverting OpAmp circuits. 2. Determine the gain and phase shift that should occur in the inverting integrator circuit shown in Figure 2 when driven with a 100 Hz sinusoidal signal. 0.1

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ECE214_Lab5_2011 - ECE 214 Lab#5 Basic Op Amp Circuits 15...

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