E-M-field problem

briansune · 21st November 2011, 10:48 AM

Hey do any one know the affection of EMF between transformer, cause I'm going to put all the component together@@.

So i would like to show the design. Hope some one could he me on this> THANKS

payitforwardeddie · 21st November 2011, 04:56 PM

If I was building this, I would leave the output transformers where they are and move the Inductor (Choke) and the Mains transformer over to the right. Keep the air gap of the Inductor (Choke) to the edge of the box.

briansune · 05:50 PM

Ya you are right this may reduce the EMF affection between the output and choke or main transformer. Bur the look of this will become a little odd.~~ But thanks for your ideas~

briansune · 21st November 2011, 05:49 PM

Sorry for the typos

hemgjord · 21st November 2011, 07:10 PM

The general rule of thumb when placing inductive components tightly together is to orient the coils 90 deg from each other.

/Olof

briansune · 21st November 2011, 08:22 PM

do you mean each of the transformer should shift 90 deg to each other?

GloBug · 21st November 2011, 08:29 PM

Yes the coils should be 90 degrees in relation to each other.

briansune · 21st November 2011, 10:24 PM

Do you mean this??

Palustris · 21st November 2011, 10:50 PM

That's correct for orientation, but the point was made that the choke should be in the corner not in the center and the same with the PT; so put them over on the left edge. If you are using a rectifier tube it can probably go between the two PS transformers. The output transformers will be between your highest EMF generators and your signal tubes which will be in the space to the right. Distance is everything with the EMF so put your PS as far as possible from your signal components; that's just basic good layout practice.

briansune · 21st November 2011, 11:59 PM

YA but i'm not quite sure the terms of PT PS transformers
And the highest EMF generator will be the Main power transformer~

21st November 2011, 10:48 AM	#1
briansune diyAudio Member Join Date: Sep 2011	E-M-field problem Hey do any one know the affection of EMF between transformer, cause I'm going to put all the component together@@. So i would like to show the design. Hope some one could he me on this> THANKS

21st November 2011, 05:33 PM	#3
briansune diyAudio Member Join Date: Sep 2011	Ya you are right this may reduce the EMF affection between the output and choke or main transformer. Bur the look of this will become a little odd.~~ But thanks for your ideas~ Last edited by briansune; 21st November 2011 at 05:50 PM.

21st November 2011, 07:10 PM	#5
hemgjord diyAudio Member Join Date: Apr 2007	The general rule of thumb when placing inductive components tightly together is to orient the coils 90 deg from each other. /Olof __________________ I'm not allowed to do magic, union rules...

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21st November 2011, 04:56 PM	#2
payitforwardeddie diyAudio Member Join Date: Feb 2011 Location: South Wales, UK	If I was building this, I would leave the output transformers where they are and move the Inductor (Choke) and the Mains transformer over to the right. Keep the air gap of the Inductor (Choke) to the edge of the box.

21st November 2011, 05:49 PM	#4
briansune diyAudio Member Join Date: Sep 2011	Sorry for the typos

21st November 2011, 08:22 PM	#6
briansune diyAudio Member Join Date: Sep 2011	do you mean each of the transformer should shift 90 deg to each other?

21st November 2011, 08:29 PM	#7
GloBug Banned Join Date: Jun 2011	Yes the coils should be 90 degrees in relation to each other.

21st November 2011, 10:24 PM	#8
briansune diyAudio Member Join Date: Sep 2011	Do you mean this??

21st November 2011, 10:50 PM	#9
Palustris diyAudio Member Join Date: Aug 2006 Location: Cape Cod	That's correct for orientation, but the point was made that the choke should be in the corner not in the center and the same with the PT; so put them over on the left edge. If you are using a rectifier tube it can probably go between the two PS transformers. The output transformers will be between your highest EMF generators and your signal tubes which will be in the space to the right. Distance is everything with the EMF so put your PS as far as possible from your signal components; that's just basic good layout practice.

21st November 2011, 11:59 PM	#10
briansune diyAudio Member Join Date: Sep 2011	YA but i'm not quite sure the terms of PT PS transformers And the highest EMF generator will be the Main power transformer~

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