MEC 220 Practical Electronics Mechanical Engineers. Stony Brook University. Lab #8 Final. Time Dependent Circuit Analysis. How to use laboratory electronics instruments and to build an integral circuit, and a derivative circuit.

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MEC 220 Practical Electronics Mechanical Engineers. Stony Brook University. Lab #8 Time Dependent Circuit Analysis. Abstract The objective of this lab is to learn how to use laboratory electronics i... nstruments and to build an integral circuit, and a derivative circuit. [1] A LM324 Operational Amplifier from Texas Instrument (TI) was used in this experiment to accomplish the goal. The output signals of both circuits with 1Hz, 10Hz, 100Hz input frequencies with 1k, 5K, 10K adjusted resistances were compared. An Agilent oscilloscope provides AC voltage with an amplitude of 1 V and simultaneously measures the output voltages of both circuits. Introduction The integral circuits will provide signal at the output which takes an integral of the input signal; and the derivative circuit will provide signal at the output which takes a derivative of input signal. The derivative circuit diagrams were given for this experiment. (Figure #1, Figure #2) [1] The Operational Amplifier used in this experiment is LM 324 from Texas Instrument (TI). This device Consist of four independent high-gain frequencies-compensated operational amplifiers (Figure #3) that are designed specifically to operate from a single supply of split supply over a wide range of voltages. [2] A DC power supply was sued to provide +/- 12 DC voltage to the LM324. ½ of LM324 was used in this experiment. 3 Integral circuit (Integrator) [1] Derivative circuit (Differentiator) [1] Figure #3 LM324 Top View [2]The Integrator: [3] The fundamental (ideal) integrator circuit (Figure #4) is constructed by placing a capacitor C, in the feedback loop of an inverting amplifier. [Show More]

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