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why the amp blew up

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nev23 View Drop Down
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    Posted: 23 March 2017 at 8:27pm
This is a very detailed description of the how and why of amplifier protection. It applies to any linear topology, bipolar or mosfet, as long as there current sense resistors.

uploads/4325/transparent_V-I_protection_part_1.pdf
uploads/4325/transparent_V-I_protection_part_2.pdf
uploads/4325/transparent_V-I_protection_part_3.pdf

Particular terrifying is Figure 11: it shows the massive peaks of dissipation in an amplifier caused by a loudspeaker just off resonance.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 24 March 2017 at 9:57am
Ok, looks interesting. Thanks for posting.


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