[minima] Re: Toroid size?
- From: hcker2000 <hcker2000@xxxxxxxxx>
- To: minima@xxxxxxxxxxxxx
- Date: Fri, 21 Mar 2014 16:37:00 -0400
Can you post how many wraps your using of the 32awg your using for each
toroid? I would assume it should change based on wire size.
On Thu, Mar 20, 2014 at 11:51 PM, Thomas Sarlandie <thomas@xxxxxxxxxxxxx>wrote:
> I started with 36 AWG but I have now found 32 AWG and it is much better.
> 36 is too small, the wires would not even hold the toroid in place.
>
>
> On Sun, Mar 16, 2014 at 6:42 AM, Jeremy Chase <jeremychase@xxxxxxxxx>wrote:
>
>> What gauge wire did you use? Was it the same?
>> On Mar 16, 2014 12:50 AM, "Thomas Sarlandie" <thomas@xxxxxxxxxxxxx>
>> wrote:
>>
>>> Mike,
>>>
>>> This is what I used, based on Mark first build. You will also need 4
>>> ft37-43 (3 transformers + rfc).
>>> ValueQtyCoreN-Turns (Mark)N-Turns (Thomas).33 uH2 T37-6109.39 uH2T37-611
>>> 10.66 uH2T50-212 10.78 uH3T50-21311 3 uH3T332524
>>> 73,
>>> thomas
>>>
>>> On Fri, Mar 14, 2014 at 10:22 AM, hcker2000 <hcker2000@xxxxxxxxx> wrote:
>>>
>>>> Ok so I see there are ft50-43's and t50-X's I'm guessing the ft50-43's
>>>> is what I'm after.
>>>>
>>>>
>>>> On Fri, Mar 14, 2014 at 1:19 PM, Juan Carlos Berberena Glez <
>>>> jcberberena@xxxxxxxxx> wrote:
>>>>
>>>>> Hi Fellow
>>>>> Maybe it's helpful this link
>>>>>
>>>>> http://www.kitsandparts.com/toroids.php
>>>>> 73's
>>>>> Jc
>>>>>
>>>>>
>>>>> 2014-03-14 13:15 GMT-04:00 hcker2000 <hcker2000@xxxxxxxxx>:
>>>>>
>>>>> 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>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> *"If you have a penny and I have a penny and we exchange pennies, you
>>>>> still have one cent and I still have one cent. But if you have an idea
>>>>> and
>>>>> I have an idea and we exchange ideas, you now have two ideas and I now
>>>>> have
>>>>> two ideas."*
>>>>>
>>>>> Lic.Juan Carlos Berberena Gonzalez
>>>>> WJ6C exCO6BG
>>>>> www.berberena.com
>>>>> http://espanol.groups.yahoo.com/group/cacharreando/
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> 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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