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[TRLog] Need help with Keying/PTT/Paddle interface

Subject: [TRLog] Need help with Keying/PTT/Paddle interface
From: n6tr@teleport.com (n6tr@teleport.com)
Date: Mon, 25 Jan 1999 09:00:35 -0800 (PST)
> Good point - the darlington adds one diode drop to 
> the Vce saturation voltage! Exactly how low do the
> modern transceivers need to go anyway? One would think 
> that pulling them down to 1 volt would do the trick.
> Guess not, or is the strobe driver adding more voltage
> drop as Tree's post suggested?

The strobe driver add some.  Maybe a FET is the answer.

Tree

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