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Chip Amps Amplifiers based on integrated circuits

8 x TDA7293(HS) PARALLEL DIY
8 x TDA7293(HS) PARALLEL DIY
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Old 16th October 2019, 02:46 PM   #21
Kay Pirinha is offline Kay Pirinha  Germany
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Sorry, I have to stand corrected, as the TDA7293 datsheet by ST really doesn't show an application for two chips in BTL .
Hence, PBTL in this case would demand for a phase inverter that drives two identical setups of four paralleled chips, i.e. two virtually individual power amplifiers with the same characteristics. Sorry, I don't get the issues you mentioned for such a configuration?
Best regards!
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Old 16th October 2019, 04:11 PM   #22
chermann is offline chermann  Austria
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Thanks Kay for your explanation. i just starting with chip amps...


chris

Last edited by chermann; 16th October 2019 at 04:16 PM.
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Old 21st November 2019, 10:07 PM   #23
AmokRun is offline AmokRun  Albania
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Quote:
Originally Posted by chermann View Post
Hi
Congratulations to this build

real TDA - moster
would be interesting how you handled the parts for each TDA chip + the "correction" for paralleling..... i guess its under the pcb?


chris
Here some closer pictures from the pcb. Hope they give you some information about leg connection.
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File Type: jpg IMG_20191101_161926227.jpg (647.5 KB, 46 views)
File Type: jpg IMG_20191101_162041785.jpg (863.3 KB, 46 views)
File Type: jpg IMG_20191101_162056888.jpg (960.5 KB, 45 views)
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