Europa-List: Re: Radio wiring

europa-list

Europa-List: Re: Radio wiring

Subject:	Europa-List: Re: Radio wiring
From:	graeme bird <graeme@gdbmk.co.uk>
Date:	Mon, 12 Sep 2011 12:41:27


no the PTT doesnt earth the mic, its just a pull to ground 'logic type' input 
that
changes the transceiver from receive mode to transmit.
you can normally use twin screened for mic and tel using the screen as common 
ground
although only the mic really needs screening.

--------
Graeme Bird
G-UMPY
Mono Classic/XS FWFD 912ULS/Warp drive FP
Build nearing completion


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http://forums.matronics.com/viewtopic.php?p=352075#352075

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