Audio Project Amplifier Speaker Loudspeaker Kit
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200W Digital AMP - Click HERE for Original Thread
tico70
Hi everyone,

I would like to hear your opinions about this design. it was published in Electronics Now April 1997 (RIP). What I like of this design is that it doesnt use a transformer for the power supply.

If somebody wants the whole article please let me know...it is a 9.4M file!!!

http://www.jotapeges.com/im.php?g=6/&n=POSITIVE_DC_DC.jpg

http://www.jotapeges.com/im.php?g=6/&n=Negative_DC_DC.jpg


http://www.jotapeges.com/im.php?g=6/&n=Umbalanced_load.jpg


http://www.jotapeges.com/im.php?g=6/&n=PREAMP.jpg


http://www.jotapeges.com/im.php?g=6/&n=Output_Drive.jpg
rayban68
yeah, no transformer in the power supply is pretty cool, one is shown in this thread as well: http://www.diyaudio.com/forums/show...&threadid=32103

There are several chips out there that are similar to the tl497a.
himanshuraval
quote:
Originally posted by tico70
Hi everyone,

I would like to hear your opinions about this design. it was published in Electronics Now April 1997 (RIP). What I like of this design is that it doesnt use a transformer for the power supply.

If somebody wants the whole article please let me know...it is a 9.4M file!!!

http://www.jotapeges.com/im.php?g=6/&n=POSITIVE_DC_DC.jpg

http://www.jotapeges.com/im.php?g=6/&n=Negative_DC_DC.jpg


http://www.jotapeges.com/im.php?g=6/&n=Umbalanced_load.jpg



http://www.jotapeges.com/im.php?g=6/&n=PREAMP.jpg


http://www.jotapeges.com/im.php?g=6/&n=Output_Drive.jpg

Hi tico70
I am wants that 200w digital amp. can send me that ?

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