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Class D Switching Power Amplifiers and Power D/A conversion

My new project: GaN amp and LLC+SinchroRec PSU
My new project: GaN amp and LLC+SinchroRec PSU
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Old Yesterday, 01:09 PM   #1
drMordor is offline drMordor  Russian Federation
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Join Date: Sep 2019
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My new project: GaN amp and LLC+SinchroRec PSU
Default My new project: GaN amp and LLC+SinchroRec PSU

My new project: GaN amp and LLC+SinchroRec PSU

Amp have full differential structure
Amp- 400 4 ohm, 200 8 ohm nominal power, 600 and 300 maximum power.
Amp have overload, overtemperature protections.
With my PSU have DC protection.

PSU LLC and sincrorectifier.
Attached Images
File Type: jpg GanAMP.jpg (278.4 KB, 99 views)
File Type: jpg Sinchro2.jpg (134.5 KB, 105 views)
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Last edited by drMordor; Yesterday at 03:21 PM.
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Old Yesterday, 01:13 PM   #2
daniboun is offline daniboun  France
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As usually great project ��
Looking forward to try it
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Old Yesterday, 01:14 PM   #3
TNT is offline TNT  Sweden
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Hallo Dr!

Full diff should mean a very quite ground - do you for-see this?

It can be important as what is feeding the signal input to the amp will most probable share this ground and if that is "rocking", it will rock too...

What is your goal with this amp over the last ones?

//
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Old Yesterday, 01:17 PM   #4
drMordor is offline drMordor  Russian Federation
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Join Date: Sep 2019
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My new project: GaN amp and LLC+SinchroRec PSU
Hi TNT!
I'm interested in doing something new.
I expect the amplifier to have very low THD+N.
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Old Yesterday, 01:23 PM   #5
drMordor is offline drMordor  Russian Federation
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My new project: GaN amp and LLC+SinchroRec PSU
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Originally Posted by daniboun View Post
As usually great project ��
Thanks))))
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Old Yesterday, 05:27 PM   #6
Reactance is offline Reactance  South Africa
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Quote:
Originally Posted by drMordor View Post
My new project: GaN amp and LLC+SinchroRec PSU

Amp have full differential structure
Amp- 400 4 ohm, 200 8 ohm nominal power, 600 and 300 maximum power.
Amp have overload, overtemperature protections.
With my PSU have DC protection.

PSU LLC and sincrorectifier.
Thank you for keeping the forum alive with good content, the last year all we seeing is copy paste evaluation pcb chip designs.
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Old Yesterday, 05:45 PM   #7
drMordor is offline drMordor  Russian Federation
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Join Date: Sep 2019
Location: Moscow
My new project: GaN amp and LLC+SinchroRec PSU
These are only files, it will be interesting when it will all be in hardware
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Old Yesterday, 07:33 PM   #8
turion64 is offline turion64  United States
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Join Date: Mar 2019
Location: Trenton, NJ
My new project: GaN amp and LLC+SinchroRec PSU
I can't imagine anything sounding better than the Class D i just bought from you.

Pete
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Old Yesterday, 07:34 PM   #9
drMordor is offline drMordor  Russian Federation
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Join Date: Sep 2019
Location: Moscow
My new project: GaN amp and LLC+SinchroRec PSU
Hi Pete!
I will try to surprise you one more time))))
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Old Yesterday, 07:50 PM   #10
TNT is offline TNT  Sweden
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Cool!

How about doing mono board / mono version. Is there a big overhead? A stereo build could still share one smps I suppose.

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