ECT 246 Week-4-_iLab_graded.docx - Lab Four \u2013Audio Amplifiers ECT246 Electronic Systems III with Lab Part A Audio Amps TCO#4 Given an audio amplifier

ECT 246 Week-4-_iLab_graded.docx - Lab Four u2013Audio...

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Lab Four –Audio Amplifiers ECT246 Electronic Systems III with Lab Part A: Audio AmpsTCO #4:Given an audio amplifier application that uses an integrated amplifier, examine the overall amplifier’s performance & verify the operation by using suitable input & output circuits.Investigation of the LM386 Audio Amplifier takes place during week 4. The LM386 is a versatile special purpose op-amp used to amplifier audio frequencies. The device is contained in a single 8-pin dip package & has a gain of up to 200 & a power output of 1-watt.A.Use an Internet search utility, such as Google, find an audio amplifier suchas a LM386 download the specification sheet & determine its general characteristics such as its general description, the package type & pin configuration. b.From the data sheet find the following information & record.What are its general characteristics?
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Self-centering output quiescent voltage Low distortion: 0.2% (AV = 20, VS = 6V, RL = 8W, PO = 125mW, f = 1kHz) Available in 8 pin MSOP package Applications AM-FM radio amplifiers Portable tape player amplifiers Intercoms TV sound systems Line drivers Ultrasonic drivers Small servo drivers Power converters Package type 8 Pin MSOP Package type (Dual in Line Package) Pin Configuration
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