[minima] Re: Toroid size?
- From: hcker2000 <hcker2000@xxxxxxxxx>
- To: minima@xxxxxxxxxxxxx
- Date: Fri, 14 Mar 2014 13:15:47 -0400
Ok all good info. So T50's for example would they be suitable for this
application (the minima)?
On Fri, Mar 14, 2014 at 1:08 PM, Joe Street <jstreet@xxxxxxxxxxxx> wrote:
> Amidon has some great application notes which cover the different
> materials and where their respective strengths and weaknesses lie. It's
> not as simple as which is better, it depends on the application, frequency
> range, whether or not the core has to be able to accommodate DC bias
> currents which can saturate the core, etc etc. Read up on the subject and
> you will do yourself a favour and be able to design your own inductors and
> transformers.
>
>
> On 14/03/2014 11:49 AM, hcker2000 wrote:
>
> Is 43 better than 61 or is it the other way around?
>
>
> On Fri, Mar 14, 2014 at 11:48 AM, hcker2000 <hcker2000@xxxxxxxxx> wrote:
>
>> After looking at that I am tempted to ask "who wants to wrap and send
>> me some transformers/cores".
>>
>> What size did the original designer use?
>>
>>
>> On Fri, Mar 14, 2014 at 11:44 AM, Joe Rocci <joe@xxxxxxxxxx> wrote:
>>
>>> Go to this web site and download the very excellent toroid calculator
>>> program. It has all the information you need to deal with different types
>>> of toroids.
>>>
>>> http://www.dl5swb.de/html/mini_ring_core_calculator.htm
>>>
>>> Also, be aware that you'll need a good ferrite material for the
>>> transformers (type 43 or 61 typical), and low loss powdered iron cores for
>>> the filters (type 2 or 6 typical).
>>>
>>> Joe
>>> W3JDR
>>>
>>> ----- Original Message -----
>>> *From:* hcker2000 <hcker2000@xxxxxxxxx>
>>> *To:* minima@xxxxxxxxxxxxx
>>> *Sent:* Friday, March 14, 2014 11:24 AM
>>> *Subject:* [minima] Toroid size?
>>>
>>> I need to pick up some toroid's for winding. does the size mater?
>>> Links to some good sizes would be greatly appreciated.
>>>
>>> --
>>> Mike "hcker2000" Ashcraft
>>> http://bigironinteractive.com
>>>
>>> <http://www.linkedin.com/in/mikeashcraft>
>>>
>>>
>>
>>
>> --
>> Mike "hcker2000" Ashcraft
>> http://bigironinteractive.com
>>
>> <http://www.linkedin.com/in/mikeashcraft>
>>
>
>
>
> --
> Mike "hcker2000" Ashcraft
> http://bigironinteractive.com
>
> <http://www.linkedin.com/in/mikeashcraft>
>
>
--
Mike "hcker2000" Ashcraft
http://bigironinteractive.com
<http://www.linkedin.com/in/mikeashcraft>
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