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Re: [WriteLog] MMTTY + WL, My transmission ir reversed

To: Timo Pohjola <timo.pohjola@saunalahti.fi>
Subject: Re: [WriteLog] MMTTY + WL, My transmission ir reversed
From: Peter <pc2a@pi4cc.nl>
Date: Wed, 24 Sep 2003 19:26:49 +0000
List-post: <mailto:writelog@contesting.com>
Timo

Just reverse the INPUT (anode/catode) on the optocoupler. Thats it



Timo Pohjola wrote:

> Does anybody know what is the reason for reversed transmission?
>
> The principle of my FSK keying interface is the same as for example
> http://www.va3cr.net/pdf/optointerface%20by%20N2UZ.pdf
>

Internet DX-cluster telnet://dxc.pi4cc.net
Internet DX-cluster http://www.pi4cc.nl/dxc


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