On Sat, Sep 4, 2010 at 3:41 PM, Alfred Green <[email protected]> wrote:
> However, I do in fact have the audio problem you described. Before I would > just hit MOX and talk, and see the signal on the external power meter. Now > that I actually listen to it there is lots of crud that I hadn't noticed > before. I didn't realize that the Heil used a powered mic element. I do > vaguely recall a discussion on this topic a while ago. > Well, you could use the bias supply available on the mic connector of the 3000 and 1500 to power your mic element. That would eliminate the need for a battery. You just need a bias resistor. My headset is at least five years old, but works well with the FT-817 and as > mentioned the F3000. I really don't fancy buying a new one just for the > F1500. I wonder if I can build a new interface cable with an external power > source. With minimal current drain a 9v battery should easily last a contest > weekend. > Well, that is what I did -- build an adaptor cable. But I used the +5V supply on the mic connector to provide the bias supply. -- Brian Lloyd, WB6RQN/J79BPL 3191 Western Dr. Cameron Park, CA 95682 [email protected] +1.767.617.1365 (Dominica) +1.931.492.6776 (USA) (+1.931.4.WB6RQN) _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
