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Old 13th January 2013, 11:49 AM   #3211
manojtm is offline manojtm  India
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Quote:
How many turns for emi reduction coil?
Hi Raj,

for first setup do not use EMI reduction winding.after everything working perfectly then use. it should be 10 Turns

Regards
MANOJ
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Old 13th January 2013, 11:50 AM   #3212
manojtm is offline manojtm  India
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Hi Raj,

check my connection picture again for VOLUME control wiring

Regards
MANOJ

Last edited by manojtm; 13th January 2013 at 11:52 AM.
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Old 13th January 2013, 09:48 PM   #3213
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Quote:
Originally Posted by thienchay View Post
My New PCB , IRS-2000D , will be IRS-3000D if used +/-130V .

Good evening.
This pcb is correct?
I'm intending to build this amp.
You have to send me the files?
Thank you.
luizcpimenta@yahoo.com.br
luizcpimenta@gmail.com
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Old 14th January 2013, 06:49 AM   #3214
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Can i use Irf640 for testing?
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Old 15th January 2013, 02:02 AM   #3215
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Quote:
Originally Posted by jlester87 View Post
My new layout for 1KW Class D with onboard OCP and onboard bias supply.
2 Pairs IRFB4227 TO-220
Hi jlester
did you test your pcb ?
is that worked ?
can you send to me yor pcb file please ?
thanks
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Old 15th January 2013, 03:37 PM   #3216
akraj is offline akraj  Bangladesh
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Quote:
Originally Posted by manojtm View Post
Hi Raj,

VOLUME control(100K or 50K) side pin connected to 33K resistor from Pin-7 of TL072, center pin from Pin-2 of TL072 and another side from Pin-1 of TL072.

Regards
MANOJ
Hi Manoj: I think my wiring is as per your diagram/instruction. Attacing a picture for better understanding, is it okay.

Thanks
Raj
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Old 15th January 2013, 04:00 PM   #3217
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Quote:
Originally Posted by jlester87 View Post
My new layout for 1KW Class D with onboard OCP and onboard bias supply.
2 Pairs IRFB4227 TO-220

Good afternoon.
This layout worked OK?
Its send me the files?
luizcpimenta@yahoo.com.br
luizcpimenta@gmail.com.
Thankful.
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Old 16th January 2013, 03:45 AM   #3218
stewin is offline stewin  Kenya
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Quote:
Originally Posted by manojtm View Post
Hi Raj,

for first setup do not use EMI reduction winding.after everything working perfectly then use. it should be 10 Turns

Regards
MANOJ
the 10turns should be winded on what type of material?
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Old 17th January 2013, 01:10 PM   #3219
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Default d class with smps

Hello
greetings small 2kw smps test on dclass
warm regards
andrew lebon
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Old 17th January 2013, 02:28 PM   #3220
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Default smps test with dclass 2KW

Still to test on 120 volts dc +/- sameerx1
warm regards
andrew lebon
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