Software based signal generator and oscilloscope
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This paper is written based on two major function, signal generator and signal detection. The functions are built in two parts form a structure of a Software base signal generator and oscilloscope which is being controlled by MATLAB 2013a. Data acquired here are directly from the different ports of the PC soundcard. Generation is done through the speaker port and the detection is done through the microphone port of the soundcard. The built in sound card in our laptop is used which allows convenience and allows us to use this application outside of our laboratories too. Sound card uses four components to translate analog and digital information • An analog-to-digital converter (ADC). • A digital-to-analog converter (DAC). • An ISA or PCI interface to connect the card to the motherboard. • Input and output connections for a microphone and speakers.