:39
An: digitalradio@yahoogroups.com
Betreff: [digitalradio] Simple PTT interface circuit ISO
I'm trying out a Mizuho MX-7S QRP HT with PSK31, but I need a simple circuit
to key the PTT. This rig has a Speaker and Mic output, the sleeve of
MIC being PTT.
The schematic of the radio is here
: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com] Im
Auftrag von Jonathan
Gesendet: Mittwoch, 4. November 2009 22:39
An: digitalradio@yahoogroups.com
Betreff: [digitalradio] Simple PTT interface circuit ISO
I'm trying out a Mizuho MX-7S QRP HT with PSK31, but I need
I'm trying out a Mizuho MX-7S QRP HT with PSK31, but I need a simple circuit to
key the PTT. This rig has a Speaker and Mic output, the sleeve of MIC
being PTT.
The schematic of the radio is here:
http://www.flickr.com/photos/jonathancharles/4076077872/
I would like to use my Jornada 720, but
