Designing a Device and Software of Data Acquisition as a Modifier of Analog Signals into Digital Signals Using Delphi 7

Batavia, Ida Leo Hadi (2009) Designing a Device and Software of Data Acquisition as a Modifier of Analog Signals into Digital Signals Using Delphi 7. S1 thesis, UNY.

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Abstract

This study aims at designing ADC program to modify analog signals’ voltage from a laser source assumed with a potentiometer into digital signals’ voltage using the IC Atmega 8535L tested using a relationship graphic among the two voltages and to display the relationship graphic among the output voltage of the He-Ne laser source assumed to use a potentiometer with laser beam deflection and the relationship chart between the deflection and the temperature using Borland Delphi 7. In this study, output voltage signals from the laser source of He - Ne assumed to use a potentiometer were connected to ADC. After received by the ADC, the signals would be processed into digital signals. Signals coming out of the ADC would be sent to the computer through a serial port to be processed by the Delphi 7 and performed in the form of data and graphics. Based on the test results using linear graphs between the analog voltage and digital voltage values, it was obtained the correlation value of R: 0.99079. The graphics between the output voltage from the laser source of He - Ne assumed to use a potentiometer with the laser beam deflection and the relationship chart between the deflection and the temperature could be displayed in the form of simulation. Keywords : ADC, Delphi 7, graphics, potentiometer Year : 2009

Item Type: Thesis (S1)
Subjects: Matematika dan Ilmu Pengetahuan Alam > Fisika
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Jurusan Pendidikan Fisika
Depositing User: Eprints
Date Deposited: 21 Jun 2012 01:24
Last Modified: 21 Jun 2012 01:24
URI: http://eprints.uny.ac.id/id/eprint/392

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