[TRLog] Opto-isolater circuits

[Scott A. Stembaugh]

Not too long ago someone posted the whereabouts of an opto-isolator 
keying circuit.  Now that I will have some time I can't find it.  
Could that kind person please send me the URL?


Thanks,
--scott N9LJX
----
Scott Stembaugh - N9LJX
scott@purdue.edu

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