TTL/RS232 for FT 736r.
You can fit it inside a DB9
I've used this circuit that uses a couple of 2N2222
-----Original Message----- From: [email protected] [mailto:[email protected]] 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