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Re: Re[4]: LF: Zmag of 45.6 Ohms OK, or should I try for better?

To: [email protected]
Subject: Re: Re[4]: LF: Zmag of 45.6 Ohms OK, or should I try for better?
From: Andy Talbot <[email protected]>
Date: Mon, 2 Nov 2015 13:53:36 +0000
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Ae is specified as 211mm^2 for that size core, 

So,  at 137kHz Mike's 16 turns with a Bmax of 0.1Tesla means :

V = 4.44.F.N.A.B =  205 Vrms

In a 50 ohm system this equates to 840 Watts

Andy  G4JNT



On 2 November 2015 at 13:42, Chris Wilson <[email protected]> wrote:
Hello Andy,

Monday, November 2, 2015


This is a link to the cores I have in this material Andy:

http://uk.farnell.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=15001&langId=44&urlRequestType=Base&partNumber=3056417&storeId=10151


> 3C90 is a type of ferrite material, and doesn't specify a transformer type.


> What is the Ae (cross sectional area) of that core?
> Or just the diameter to work it out from?


> Andy









--
Best regards,
 Chris                            mailto:[email protected]



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