Frank Pacquiao

user Test Engineer

city ISI


  • Audio Amplifier

  • Created: Feb 02, 2014

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Description

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Summary

The audio frequency spectrum is defined to be the range of frequencies from 20 Hz to 20 kHz. However, the range of frequencies of the human voice is generally accepted to be between 300 Hz and 3 kHz. Based on this, the audio amplifier is to be redesigned for a 300 Hz ± 10% cutoff (critical) frequency in order to minimize the 60 Hz interference.
The audio frequency spectrum is defined to be the range of frequencies from 20 Hz to 20 kHz. However, the range of frequencies of the human voice is generally accepted to be between 300 Hz and 3 kHz. Based on this, the audio amplifier is to be redesigned for a 300 Hz ± 10% cutoff (critical) frequency in order to minimize the 60 Hz interference.
The audio frequency spectrum is defined to be the range of frequencies from 20 Hz to 20 kHz. However, the range of frequencies of the human voice is generally accepted to be between 300 Hz and 3 kHz. Based on this, the audio amplifier is to be redesigned for a 300 Hz ± 10% cutoff (critical) frequency in order to minimize the 60 Hz interference.

3 Comments


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Posted: Sep 14, 2014


boby

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Posted: Nov 14, 2014


tiru

hi can make a favour..fine solution by Draw the preamplifier circuit

Posted: Feb 11, 2017


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