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Old 29th March 2013, 05:22 PM   #381
vdij is offline vdij  Moldova
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Thank you, my friends. Sorry, I use Dicter-translator. SMPS - UC3825+ IRFР460. Student_sound, is generated at the output?
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Old 29th March 2013, 06:00 PM   #382
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Hi studtnt_sound, you have the bridge. I do not see C1. In his bridge set frequency control.
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Old 30th March 2013, 03:16 AM   #383
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Default hi vdij !

hi friend !
i shutdown ch1 to test ch2. it's not bridge ,this is output mosfet before coil and spk output signal.
can you post that waveform of your amps ?

regards !
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Old 30th March 2013, 02:27 PM   #384
vdij is offline vdij  Moldova
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Hi, student_sound. What are your mosfet, which dt? I have a few amps: IRS2092+ IRFI4020, IRS2092+ IRFB5616, IRS2092+ IRFP4227. What interests you?
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Old 30th March 2013, 03:31 PM   #385
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Default hi vdij !

hi friend !
i use 2092+irf38n2D, i have irfp4227 too. Rgate 15ohms +5819.
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Old 30th March 2013, 04:24 PM   #386
vdij is offline vdij  Moldova
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All right. What dt - dead time? irf38n2D? - not found in Google
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Old 30th March 2013, 04:51 PM   #387
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I'd guess its IRF38N20.
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Old 30th March 2013, 08:42 PM   #388
vdij is offline vdij  Moldova
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No.
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Old 31st March 2013, 05:11 PM   #389
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Default sorry friends !

sorry my mistake, i use irfb38n20d mosfet.
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Old 31st March 2013, 06:33 PM   #390
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Ok. Later, lay waveform.
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