[amsat-bb] Re: Satellite Transceiver

Alan ve4yz at mts.net
Sun Apr 5 11:55:01 PDT 2009


TTL/RS232 for FT 736r.

You can fit it inside a DB9

I've used this circuit that uses a couple of 2N2222

http://www.mindspring.com/~n2wwd/html/body_doppler_compensation.html




> -----Original Message-----
> From: amsat-bb-bounces at amsat.org 
> [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Jim Jerzycke
> Sent: April 5, 2009 1:18 PM
> To: AMSAT BB; Sebastian
> Subject: [amsat-bb] Re: Satellite Transceiver
> 
> 
> IIRC, the IF-232 is just a simple TTL-to-RS232 interface. it 
> should be fairly easy to homebrew on with any of the 
> available chips out there, like the Maxxim MAX232.
> jim  KQ6EA
> 
> 
> -



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