I would also like idot lights to let me know which radio was recieving ,
with a delay so it stays on for a set time ....
> > From: James Naylor <jnaylor@avnet.co.uk>
> > Subject: Audio mixer
> > Date: 12 October 1998 08:51
> >
> > A question for the radio experts out there.---
> >
> > I want to connect two radio's together so that I can switch to either for
> > transmit and receive, with the option to receive on both. I know audio
> > panels are available commercially, but they usually contain Markers ADF
> etc
> > which I do not need, not to mention the cost.
> >
> > The only problem I have encountered, is feeding the two audio outputs
> into
> > one speaker at the same time. Some form of isolation circuit is required
> > to prevent the two radios trying to drive each other backwards, so to
> > speak.
> >
> > I'm sure there must be a simple design that could be built into a small
> box
> > with just one switch for selecting the radio (I have got this far) and
> one
> > to select the speaker for both or individual.
> >
> > Any help would be appreciated.
> >
> > Jim Naylor
>
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