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G0FTD > 9K6 13.06.07 15:15l 26 Lines 830 Bytes #999 (0) @ WW
BID : 000094163PZT
Read: GUEST DG4YDF
Subj: Hi speed transformer coupling?
Path: DB0FHN<DB0FOR<DB0MRW<OK0PKL<DB0GRL<SR6BBA<SR1BSZ<IW2OAZ<IK2XDE<DB0RES<
ON0AR<ZL2BAU<GB7MAX<GB7PZT
Sent: 070613/1206Z @:GB7PZT.#24.GBR.EU [Kidderminster] #:9400 XSERV410h
Date: Wed, 13 Jun 2007 13:06:56 +0000
From: g0ftd@gb7pzt.#24.gbr.eu (Andy)
To: 9k6@ww
Subject: Hi speed transformer coupling?
Recently I made a neat boxed interface for data useage using small low
profile transformers. I noticed that in the transformer specification
that the transformers are "rated" to carry upto 2K4 data.
However whilst just looking through the same catalogue of parts I now
see they can supply transformers rated to pass data up to 28Kbps !
I'm just wondering if anyone has ever tried transformer coupling at high
speeds ?
Also I wonder what speeds can be put through a voice channel, usual
FM voice rig ? I suspect (with my limited knowledge) for AFSK useage
not much more than 3kbaud.
For UK readers, the parts come from Farnell, part number 113-0835 if
anyone is interest.
- Andy -
G0FTD @ GB7PZT
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