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Class D Switching Power Amplifiers and Power D/A conversion

Class D Amp with LM566,LM393 and 2XIRF530
Class D Amp with LM566,LM393 and 2XIRF530
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Old 19th November 2011, 11:16 AM   #41
apexaudio is offline apexaudio  Serbia
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Output stage with IR2111 driver
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Old 19th November 2011, 12:11 PM   #42
apexaudio is offline apexaudio  Serbia
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Quote:
Originally Posted by apexaudio View Post
Output stage with IR2111 driver
Can be use for subwoofer amp (5-200Hz)
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Old 19th November 2011, 04:10 PM   #43
Eva is offline Eva  Spain
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Quote:
Originally Posted by apexaudio View Post
I need more references like this Onkyo and Sony, or diy class D amp like this 555-based Class-D amplifier - YouTube
This Onkyo implementation of a comparator looks quite interesting...
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Old 20th November 2011, 11:09 PM   #44
apexaudio is offline apexaudio  Serbia
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Output stage...
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File Type: jpg APEX D500 SCH out.jpg (336.4 KB, 3235 views)
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Old 21st November 2011, 08:04 AM   #45
tiefbassuebertr is offline tiefbassuebertr  Germany
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perhaps some details of the circuit topology about
http://www.diyaudio.com/forums/class...-finished.html
could be helpful.
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Old 22nd November 2011, 09:05 PM   #46
apexaudio is offline apexaudio  Serbia
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Diy friendly pcb for class D output stage...
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File Type: jpg APEX D250.jpg (259.3 KB, 3159 views)
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Old 23rd November 2011, 08:14 AM   #47
apexaudio is offline apexaudio  Serbia
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Voltage for driver suply +15V up to -HT can be realised with this simple circuit.
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Old 23rd November 2011, 03:34 PM   #48
ionutzxpo is offline ionutzxpo  Romania
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hello apex ,if it's a diy design maybe you will share with us the pcb and schematic off the amp


here is what i achived so far (2 years of work) Click the image to open in full size. Click the image to open in full size. http://i957.photobucket.com/albums/a...magine0114.jpg http://i957.photobucket.com/albums/a...magine0109.jpg Click the image to open in full size. http://i957.photobucket.com/albums/a...xpo/before.jpg Click the image to open in full size.

Last edited by ionutzxpo; 23rd November 2011 at 03:44 PM.
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Old 23rd November 2011, 07:15 PM   #49
apexaudio is offline apexaudio  Serbia
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I remove thermal and DC protect, XLR input, low cut filter, limiter.... from commercial product to made DIY class D amp on single side pcb. I will share final schematic and pcb after test.
Can you share your schematic?
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Old 23rd November 2011, 10:08 PM   #50
apexaudio is offline apexaudio  Serbia
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Is this to complex for diy?
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