Home     Contact     Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science     RSS     Terms of services     Privacy policy  
   
 Home      Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science   


<< Back to INDEX

150 Watt Power Amplifier Circuit [Project]
posted March 17 2014 3:48.51 by spic0m




A power amplifier circuit is the one with minimum output impedance, used to drive loads like a speaker, which require high power at low impedance. Here is designed a power amplifier circuit using push pull class AB configuration to derive a power of 150W to drive a load of 8 Ohms (speaker).

The basic principle behind this circuit is the different ways of biasing of a bipolar junction transistor. The electric signal output from a microphone is very low. This low voltage signal is amplified to a sustainable level using the CE configuration of a BJT, biased in class A mode. In this mode, the output is an inverted amplified signal. This signal is a low power signal. Two Darlington power transistors arranged in class AB configuration amplify the power level of this signal. A transistor configured in class A mode is used to drive this transistor.

[Link: Electronics Hub]
 
Share



You might also like...


Fixing a crack in wood-paint like a pro [DIY]

Ridiculously simple Clap Toggle Switch [Project]

How about a cup of coffee with SMS printed on the cream???? [Video]

DIY 20kV DC power supply using flyback with built in diodes [Project]

Hack your backlit keyboard and play a game of snake!

Turn your old laptop into a wall projector [Hack]

Dial your resistor color code [Tools]

PIC Programmable USB button


<< Back to INDEX



Comments

  Name

  Email (shall not be published)

  Website

Notify me of new posts via email


Write your comments below:
BEFORE you post a comment:You are welcome to comment for corrections and suggestions on this page. But if you have questions please use the forum instead to post it. Thank you.


      

No comment yet...

Be the first to comment on this page!












 Contact     Forum     Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science     RSS   

Site design: Giorgos Lazaridis
© Copyright 2008
Please read the Terms of services and the Privacy policy