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Chip Amps Amplifiers based on integrated circuits

Cheapest 2.1 Amp
Cheapest 2.1 Amp
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Old 24th July 2018, 12:50 PM   #11
anti is offline anti  Slovakia
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IMHO you will "get there" - faster, safer and cheaper if you hunt down a STA540 - which has a 2+1 circuit right there in the datasheet (figure 6).

It will be a little less power than you wish for, though.
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Old 24th July 2018, 07:35 PM   #12
Kshishtoff is offline Kshishtoff
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I agree with anti. If you ask
Originally Posted by viki_v2 View Post
Could you guide me to amp design.
maybe it will be better if you build first a more simple amp based for example on STA540 or TDA1557/1558/8560.
Sorry for my English, I'm still just learning.
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Old 25th July 2018, 03:15 PM   #13
anti is offline anti  Slovakia
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One of the most significant advantages with STA540 is imho that you can run it off a 19V laptop PSU ...

... which simplifies the whole "get up and running" concept a lot.
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Old 22nd August 2018, 12:49 PM   #14
viki_v2 is offline viki_v2  India
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Found these designs based on Tda7294. Will these work.

Circuit dynamic power amplifier with TDA7294 - bridge 180W or stereo 80W - Xtronic
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