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Class D Switching Power Amplifiers and Power D/A conversion

ucd 25 watts to 1200 watts using 2 mosfets
ucd 25 watts to 1200 watts using 2 mosfets
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Old 23rd July 2017, 11:50 AM   #4611
kartino is offline kartino  Indonesia
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Join Date: Feb 2005
Location: Gunungkidul Indonesia
Core use 2x MS157060. High volt is high amp means bigger core.
No issue on stability and noise.
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Old 23rd July 2017, 11:55 AM   #4612
kartino is offline kartino  Indonesia
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BTW we all go for fullbridge.
90Vdc supply can have plenty power. Real power.
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Old 24th July 2017, 05:24 PM   #4613
Roby Tengara Setiawa is offline Roby Tengara Setiawa  Indonesia
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Quote:
Originally Posted by kartino View Post
BTW we all go for fullbridge.
90Vdc supply can have plenty power. Real power.
Yes..... In Indonesia, We all go for Fullbridge or BTL.
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Old 1st August 2017, 01:38 PM   #4614
kimzaaz is offline kimzaaz
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Click the image to open in full size. fullbridge pcb
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Old 1st August 2017, 05:32 PM   #4615
protech1104 is offline protech1104  Tunisia
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Hello. I wanted your help to understand. I did the test of my class amp d. I measure the temperature of the heatsink. Psu + -70v output amplifier loaded by resistive dummy load. 8ohm 56 ° after one hour. 4 ohm 85 ° after half an hour and protection cuts. The test is done with hard rock music at clipping. is it normal. Now I do not have the speaker that support this power to test in real load. Do the speaker require less power. Help me please to understand if this temperature is normal. With 6 ohm after one hour 65 °
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