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Old 13th February 2002, 07:30 PM   #1
djdan is offline djdan  Romania
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Question Class H simple amp schematics

Dear DIYAUDIO members ,

I am interested in class H amplifier. Please, tell me ,where can I get more informations about this subject . I need a simple amplifier schematic , something no more 4 power devices.

Thank you in advance !
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Old 14th February 2002, 11:16 AM   #2
djk is offline djk
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For reference, use the schematic here: http://www.passlabs.com/pdf/cascode.pdf page 4, figure 9. Assume a +/- 75V on the main rails, this will give 400W at 4R with a very lightly regulated supply.Assume a +/- 37V supply fed through a pair of fast diodes to the emitters of Q9 and Q10.Thats it.You're done.400W with only four output devices.
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