[amsat-bb] Re: Satellite Transceiver

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@amsat.org [mailto:amsat-bb-bounces@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