chouhan_naveen Posted March 12, 2006 Report Share Posted March 12, 2006 dear friends naveen here 3rd year engg. student.i require help on amplifier designing for my minor project please help me. i want to design Quote Link to comment Share on other sites More sharing options...
europus2002 Posted March 17, 2006 Report Share Posted March 17, 2006 Hi Naveen, Do u have any specifics of what do u want in class B (pushpull , complementary symmetry, transformer coupled) or class C (what;s the conduction angle that u;r looking for and what frequency range?? Is this yr university project?? and both these amplifiers are for what output power ratings???.....what;s the supply voltage u intend to use??? Answer these questions and i "may" be able to help u Quote Link to comment Share on other sites More sharing options...
chouhan_naveen Posted March 24, 2006 Author Report Share Posted March 24, 2006 hi europus2002, Quote Link to comment Share on other sites More sharing options...
audioguru Posted March 24, 2006 Report Share Posted March 24, 2006 Hi Naveen,I assume that your amplifiers must drive a speaker. Have you set an output power and speaker impedance for your project?Have you studied the classes of audio amplifiers since class-B and class-C have terrible distortion? Usually class-AB is used for an audio power amplifier. Have you set a distortion limit for your amplifiers?How far have your amplifier designs progressed? Quote Link to comment Share on other sites More sharing options...
chouhan_naveen Posted March 31, 2006 Author Report Share Posted March 31, 2006 hi audioguru, you write about the distortion of class b & c amp. i know it very well but the project isassigned to me from college faculty to design of audio amp. using bjt without using opamp or ic & project shold be completed by using very basic circuit of class b & class c. There is no specification about speaker imprdence & o/p power.So please help me & reply as soon as possible @ [email protected] Quote Link to comment Share on other sites More sharing options...
audioguru Posted March 31, 2006 Report Share Posted March 31, 2006 Most speakers are 8 ohms. Choose how much power that you want.Then design a simple class-B then a simple class-C audio amps that will have high distortion.Many circuits on the web are low-power audio amps that use three transistors. Quote Link to comment Share on other sites More sharing options...
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