AVR-Chat

On Thu, 05 Jul 2007 14:35:00 +1000
 Russell Shaw <rjshaw@netspace.net.au> wrote:
> Richard Cooke wrote:
> > Hi Folks,
> > 
> > We need some help with a small hand held RF remote
> controller project.
> > We're willing to pay for the help.  Basically we need
> some help with
> > the matching circuit from the nRF905 to a small helical
> antenna.
> > 
> > If this is an inappropriate post I apologize.  I don't
> know where else
> > to ask.
> 
> At high freqs (2.4GHz etc), RF matching circuits are only
> reliably done
> using simulations that include the pcb taking into
> account the physical
> dimensions of the tracks and component footprints. I
> don't have a working
> one here atm.

The nRF905 works at about 430MHz, about 830MHz, and about
915MHz. So, how it is handled depends on which band it
operates on.

Jim
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