Fwd: Transformer theory

[Philip Miller Tate]

>
> As a crystal radio enthusiast, I am keenly aware that a well- 
> designed transformer is so often an elegant and passive alternative  
> to complicated, active, silicon replacements. Or, as the Radio  
> Shack guy said when I went in search of an audio output transformer  
> for my first crystal set, "No, I think what you want, sir, is  
> called a preamp..."
>
> Phil M1GWZ
>
>
> On 17 Sep 2007, at 16:13, fgentges at mindspring.com wrote:
>
>> André,
>>
>> I have only had a chance to scan this for now but it looks to be a  
>> real
>> goldmine of info on designing and building transformers that go  
>> beyond
>> 60 Hz pole pigs.  There are also some other interesting looking tech
>> notes on that site.  Transformers tend to be a technological step  
>> child
>> to all the work with silicon these days.
>>
>> I was frustrated in college when they only covered stuff the power
>> companies used and did not cover the "instrument" transformers. This
>> material should be covered in every EE course today.
>>
>> It is surprising that this company would put so much information out
>> publicly.  I hope they get suitably rewarded with transformer orders.
>>
>> A copy belongs in every AMRAD members library.
>>
>> Frank K0BRA
>>
>> Andre Kesteloot wrote:
>>> http://www.midcom-inc.com/Tech/pdf/TN69.pdf
>>>
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> =
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