My class D amp

[stewin]

Hi Stewin:

Have you seen my one? Any improvement needed?

Thanks
Raj

hi akraj your board looked nice and i wanted to try it but you did not share pcb files.

 

[akraj]

Sorry I skipped that post somehow. Will share tomorrow.

 

[akraj]

Sorry I skipped that post somehow. Will share tomorrow.

Here it is Stewin....Let me know if you have any confusion.

 

[akraj]

Hi All

new Coil received for testing 450KHz switching AUD600 class D amp

Regards
MANOJ

Hi Manoj: What is the advantage of those cores?

I have arranged T106-2 & T157-2 from micrometals.

Thanks
Raj

 

[adamkaktus]

Hi Akraj, can you help me to make this board for two pairs of mosfets? Is there any partlist/guide?

 

[manojtm]

Hi Manoj: What is the advantage of those cores?

I have arranged T106-2 & T157-2 from micrometals.

Hi Raj

Dimonis recommended this coil says good for low THD.so i order sample

http://www.diysmps.com/forums/showt...-amplifier-based-on-IRS2092-Commercial/page17

post #164


Regards
MANOJ

 

[adamkaktus]

Manoj, what type of core it is? Which material did they use?

 

[stewin]

thanks akraj for the spirit of diy .

have you managed to test it?

 

[akraj]

thanks akraj for the spirit of diy .

have you managed to test it?

PCB may come to hand by this week.

 

[manojtm]

Hi All,

AUD600 Rev1.1 with IRF540 MOSFET and Coilcraft filter, Supply rail +/-45V amazing power
i feel proud on AUD600 and it will give same power (my feel) on 45v supply no need 75V rail

Regards
MANOJ

 

[stewin]

wow nice work. i am working on combining the main amp and protection in one board. i will use double sided board to reduce emi.
i will post the development later.
i will use irfb4227 as outputs.

 

[akraj]

Hi All,

AUD600 Rev1.1 with IRF540 MOSFET and Coilcraft filter, Supply rail +/-45V amazing power
i feel proud on AUD600 and it will give same power (my feel) on 45v supply no need 75V rail

Regards
MANOJ

Hi Manoj: how come coil can contribute for power outpost? I mean that huge difference? 45v and 75v is huge dirrerence.

What is the fsw?

Thanks
Raj

 

[andrewlebon]

Hi Manojtm
greetings #292 nice coilcraft filter any part no how does it compare to T157-2
filter nice work
warm regards
andrew lebon

 

[manojtm]

What is the fsw?

Hi Raj,

using coilcraft filter with IC7404 fsw= 325KHz;IC 4069 fsw=205KHz and IC7414 fsw=110KHz
i want fsw=400KHz so i will change MOSFET IRF540 to other one

I mean that huge difference? 45v and 75v is huge dirrerence

not actual watt, i said it was my feel

Regards
MANOJ

 

[manojtm]

Hi Manojtm
greetings #292 nice coilcraft filter any part no how does it compare to T157-2

Hi andrew,

thanks. sound quality and power is good compare with T157-2 and very very low RF noise
Disadvantage is it will warm like 55/65 deg. temp with in 25 min. run and fsw will reduced to 280KHz(recheck again due to coil OR 74hc04)

can you tell me where i can get IRFP4227 MOSFET???

Regards
MANOJ

 

[andrewlebon]

Hi Manojtm
greetings thanks for replying
warm regards
andrew lebon

 

[exflaco]

Please post the exec from pic thanks

 

[manojtm]

Hi,

any one tested Fairchild FDP075N15A_F102 MOSFET

Regards
MANOJ

 

[srinath]

Selling it

Hi All,

AUD600 Rev1.1 with IRF540 MOSFET and Coilcraft filter, Supply rail +/-45V amazing power
i feel proud on AUD600 and it will give same power (my feel) on 45v supply no need 75V rail

Regards
MANOJ

Hi,
Are you making and selling these ?
Thanks.
Srinath.

 

[manojtm]

Hi srinath,

Yes.

Regards
MANOJ