PTT (Push to Talk/Transmit) Interface - for Echolink

Projects related to to Internet linking, Phone Patch, Interfaces, programs, etc.

PTT (Push to Talk/Transmit) Interface - for Echolink

Postby k6irf on Wed Aug 23, 2006 5:04 pm

Hello Guys - If you have time to experiment and want to create a PTT Interface for Echolink check this out.

http://www.eqso.org/faq/ptt-Interface-Circuits.htm

73!
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k6irf
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Re: PTT (Push to Talk/Transmit) Interface - for Echolink

Postby k6irf on Sun Oct 09, 2011 8:51 pm

I finally had the chance to make some homebrewed interface for echolink and other digital modes. (6 years after the original post was made!)
I was able to make it fit on a D-sub 9 pin Connector Hood. It does not include
the isolator transformer. I plan to add the isolator transformer between the cable. No more space in the
connector hood.

73! de K6IRF / Lot

Here are some pixs.

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