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Investigating Sine Waves Using National Instrument’s MyDAQ Tool. Peter Paliwoda. Outline. Who is National Instruments What is MyDAQ Multimeter Brief History of Radio AM Radio Function Generator Oscilloscope. Who is National Instruments. American Company
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Investigating Sine Waves Using National Instrument’s MyDAQ Tool Peter Paliwoda
Outline • Who is National Instruments • What is MyDAQ • Multimeter • Brief History of Radio • AM Radio • Function Generator • Oscilloscope
Who is National Instruments • American Company • Producer of automated test equipments • Producer of virtual implementation software
What is MyDAQ • General Purpose Data Acquisition Device • Multimeter, Oscillocope, Function Generator, Spectrometer and much more $200 $50-$200 + = $300-$10,000 + $300-$5,000 + much more
What is MyDAQ Digital Multimeter Oscilloscope Function Generator
Digital Multimeter (DMM) Click here To open DMM • Now we can measure: • Voltage • Resistance • Current
Measuring Resistance Across 1000Ω + 9V - - +
Measuring DC Voltage Across 1000Ω + 9V - - +
Radio History Heinrich Rudolf Hertz
Radio History Nikola Tesla
AM Radio AM – Amplitude Modulation Modulator Voice
Generating Sine Waves DC offset Amplitude Frequency Content
Function Generator (FGEN) Click here To open FGEN
Oscilloscope (Scope) Click here To open Scope
Hearing Range • For humans the audible range of frequencies is usually 20-20,000 Hz • That is 20 -20,000 cycles per second • Setup Function Generator in Sweep Mode • Hook up the output to a speaker
Evaluation Kit for K-12 Teachers • K-12 Teachers - Ask about the"NI myDAQ Evaluation Kit". See what NI myDAQ and LabVIEW can do for your classroom, visit: • http://www.studica.com/myDAQ/ • http://www.youtube.com/watch?feature=player_embedded&v=EChOw2Ly5mM