Re: Help: how to design air-core transformer?
From: Leon Heller (leon_heller_at_hotmail.com)
Date: 11/23/04
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Date: Tue, 23 Nov 2004 16:16:58 -0000
"James Meyer" <jmeyer@nowhere.net> wrote in message
news:q2d6q0h2oioadcevcojn834ibntme17vi9@4ax.com...
> On Tue, 23 Nov 2004 10:02:42 -0000, "Leon Heller"
> <leon_heller@hotmail.com>
> wroth:
>
>>"James Meyer" <jmeyer@nowhere.net> wrote in message
>>news:m715q01a0abrihaqas7ljcdvlvuki2uj6o@4ax.com...
>>> On 22 Nov 2004 15:08:36 -0800, jmgong74@tom.com (Jim) wroth:
>>>
>>>>I hope to design an air-core transformer which may operate at 100-500
>>>>MHz.
>>>>However I found the loss is too high.
>>>>Can anybody give me some advices to design air-core transformer?
>>>>Thanks a million!
>>>
>>> It can't be done. Try another solution.
>>
>>RF inductors are often wound without cores, especially at VHF and UHF.
>>
>>Leon
>>
>
> Low loss wideband RF transformers are almost never wound without cores.
I was thinking of a narrow-band transformer within the range the specified
range.
Leon
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