On Sat, Sep 4, 2010 at 7:28 PM, Dale Boresz <[email protected]> wrote:
> "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. " > > Al, > > I did exactly that when I was trying to get an Icom hand mic to work w/ the > 1500. In my case, the connecting cable was homebrew anyway, so adding a 9v > battery clip was easy - and it worked great; the tx audio cleaned right up. > Also, that battery will last a lot longer than a weekend! > It probably means you have the value of the bias resistor wrong. I normally use 220 ohm but if I am being picky, I will adjust it to try to get the mic voltage and output swing I want. +5V is a little low but should still work. -- 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.
