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| To: | [email protected] |
|---|---|
| Subject: | LF: Ferrite toroid cores using HEM series materials |
| From: | "John RABSON" <[email protected]> |
| Date: | Thu, 29 Jan 2009 11:43:09 +0100 |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Maplin have been selling these but their paper catalogue does not seem to give detailed characteristics and doing an online search of their catalogue is not practicable as I am typically getting 14.4kb/s on dialup*, which means it takes a minute or more to repaint the page. I tried e-mailing them but have not had a reply. aL is easy to estimate with a few turns and an inductance meter, but I would like to know more about these materials. Can anyone help, please? John F5VLF *we are promised ADSL in a few weeks but I have been here before |
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