Class D power amplifier

jojo December 17, 2013 1 Comment
Class D power amplifier. Class D power amplifier is a type of audio amplifier were the power handling devices are operated as binary switches. Since the power handling devices (MOSFETS) works as perfect binary switches, no time is wasted...
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Class C power amplifier

jojo January 9, 2014 8 Comments
Class C power amplifier. Class C power amplifier is a type of amplifier where the active element (transistor) conduct for less than one half cycle of the input signal. Less than one half cycle means the conduction angle is...
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Class AB power amplifiers

jojo October 20, 2011 No Comments
  In class AB power amplifiers, the biasing circuit is so adjusted that the operating point Q lies near the cut-off voltage. During a small portion of negative half cycle and for complete positive half cycle of the signal,...
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Harmonic distortion in power amplifiers

jojo January 14, 2014 6 Comments
Harmonic distortion in power amplifiers. Distortion is a serious problem faced in power amplifier design. In faithful amplification the output signal must be a scaled replica of the input signal and if there is any dissimilarity between the input...
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Class B power amplifier

jojo January 9, 2014 2 Comments
Class B power amplifier. Class B amplifier is a type of power amplifier where the active device (transistor) conducts only for one half cycle of the input signal. That means the conduction angle is 180° for a Class B...
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Power Amplifiers and various types

john September 8, 2009 8 Comments
Introduction To Power Amplifiers An amplifier system consists of signal pick-up transducer, followed by a small signal amplifier(s), a large signal amplifier and an output transducer. A transducer is used to convert one form of energy into another type....
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