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| To: | "RSGB LF group" <[email protected]> |
|---|---|
| Subject: | LF: TECH: modem transformers works well on LF |
| From: | "Claudio" <[email protected]> |
| Date: | Sat, 17 Aug 2002 23:19:54 +0200 |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
| User-agent: | KMail/1.4.1 |
I have tested some 600 ohm modem transformers, they works well also for LF.
The insertion loss at 300 kHz is between 1 and 3 dB. Inside PCMCIA cards
modem for lap top you can find very small transformers. They should be sure
up to few hundreds volts between primary and secondary.
73 de Claudio, ik2pii -- ====================================================== Claudio Pozzi - Happy Linux user - http://www.qsl.net/ik2pii ====================================================== |
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