ucd 25 watts to 1200 watts using 2 mosfets - Page 304 - diyAudio
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 Class D Switching Power Amplifiers and Power D/A conversion

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diyAudio Member

Join Date: Jun 2010
thanks to sir manoj

Quote:
 Originally Posted by manojtm Hi Hadi, 550mV= Transistor ON min voltage(V) 0.1R*3= 0.04 Ohm--- Current resistor(R) R1=R3 --- 1K5 R2 & R4= 1K I = V/R x R1+R2/R2 Regards MANOJ
i am confusing with this formula

diyAudio Member

Join Date: Aug 2008
Location: KERALA
Quote:
 i am confusing with this formula

Confuse what???

I=V/R is normal

when you use series and shunt resistor for transistor

I=V/R*R1+R2/R2 If you are not using R2

take I=V/R only( R1 not more than 2K5)

Regards
Manoj

 13th December 2012, 10:46 AM #3033 diyAudio Member     Join Date: Aug 2008 Location: KERALA Hi Hadi, I= 0.55V/0.04R I=13.75A Regards Manoj
 13th December 2012, 12:50 PM #3034 diyAudio Member   Join Date: Jun 2010 thanks sir manoj
 13th December 2012, 02:55 PM #3035 diyAudio Member     Join Date: Aug 2008 Location: KERALA Hi All, I would like to delete all my attachments more than 30 days. It will keep only for a month andrew pls accept this. MODERATOR : you can delete my 30days old attachments. Regards MANOJ
 13th December 2012, 02:57 PM #3036 diyAudio Member     Join Date: Feb 2008 andrew pls accept this.... __________________ "It's Better to try and fail than to never know and always wonder"
 14th December 2012, 08:46 AM #3037 diyAudio Member     Join Date: Aug 2008 Location: KERALA Hi Hadi, My new AUD600 with pre and post feedback, advantage the tight mid freq. is soft now.the Low, mid and High is perfect. Regards MANOJ
diyAudio Member

Join Date: Nov 2010
Quote:
 Originally Posted by manojtm Hi Hadi, My new AUD600 with pre and post feedback, advantage the tight mid freq. is soft now.the Low, mid and High is perfect. Regards MANOJ
Wow great. Will you post it's design. Really want to build one

Thanks

diyAudio Member

Join Date: Jun 2010
thanks to sir manoj

Quote:
 Originally Posted by manojtm Hi Hadi, My new AUD600 with pre and post feedback, advantage the tight mid freq. is soft now.the Low, mid and High is perfect. Regards MANOJ
Hi sir manoj
you steal use ETD29 ?
please share that with me
thanks
have a nice day dear

diyAudio Member

Join Date: Aug 2008
Location: KERALA
Quote:
 Hi sir manoj you steal use ETD29 ? please share that with me

yes ETD29 . it can go up to 500KHz no problem.but i am using 250KHz only.after testing i will send to you.

Regards
MANOJ

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