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Class D Switching Power Amplifiers and Power D/A conversion

D amp schema needed
D amp schema needed
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Old 20th December 2004, 11:08 AM   #1
k1jroth is offline k1jroth  Finland
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Default D amp schema needed


I`m thinking to built D amp to my subwoofer but i don`t know where to find schema for it.

It should have above 200W power and mono or 1 channel version.

It must allso drive 4ohm or below impedance woofer.

Could someone please give me schema if anyone have.
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Old 20th December 2004, 11:40 AM   #2
peranders is offline peranders  Sweden
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D amp schema needed
I'm sure you can use HIP4080/4081/4082 from Intersil as PWM and MOSFET driver.
/Per-Anders (my first name) or P-A as my friends call me
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Old 23rd December 2004, 11:03 AM   #3
Workhorse is offline Workhorse
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Originally posted by peranders
I'm sure you can use HIP4080/4081/4082 from Intersil as PWM and MOSFET driver.

hi mod ,
I think " k1jroth " is asking for Class-D schematics not for suggesstion on Gate driver IC's.

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File Type: pdf thunderball_schematic_v0.1.pdf (57.4 KB, 323 views)
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Old 23rd December 2004, 03:05 PM   #4
kims is offline kims  Denmark
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Default d amp schematic


Check out the


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Old 30th December 2004, 10:36 PM   #5
dmfraser is offline dmfraser  United States
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Default Schematics

There are several Class D schematics in the audio circuits section at www.schematicsforfree.mattsoft.net
Dan Fraser
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