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Power Amplifier Circuit Diagram, Types and Applications

October 26, 2019 By WatElectronics

Power Amplifier Circuit Diagram

Basics of Power Amplifier Power amplifier are the basic category of amplifiers which is used to amplify the power of the input signal which may be either a digital signal or an analog signal from few milli watts to several milli watts depending on the need of amplification.  These types of amplifiers are found in almost every analog to digital devices sorrounding us. From radio tuners to microwave to laptops to cell phones use power amplifiers in some form or the other. What is a Power … [Read more...]

Audio Amplifier Circuit, Working, and Applications

October 24, 2019 By WatElectronics

Audio Amplifier Circuit

Audio amplifier is the basic circuit configuration that is required to amplify, the audio signal received through a device like a microphone or the audio signal that is to be transmitted out through a speaker/ Radio device/Wireless transmitter etc. In early stages, in the year around 1912 vaccum tubes where used for audio amplification but at around 1970s it was replaced by BJT  and MOSFETS.  ClassD power amplifiers (which uses transistors/MOSFETS) are the most widely in audio amplification. … [Read more...]

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