AVR-Chat

Eric,

What antenna type have you settled on?  We'd like to use a very small
antenna like those used in after market car alarms.  I put a photo of
an example antenna on our web site:
http://www.digitalwavelength.com/devices/433_MHz_remote_control_example.html

I hope this shows what I'm talking about.

Thanks,

Richard Cooke

--- In AVR-Chat@yahoogroups.com, "Eric Engler" <englere.geo@...> wrote:
>
> --- In AVR-Chat@yahoogroups.com, "Jim Wagner" <jim_d_wagner@> wrote:
> 
> > Real helicals are sort of tricky. 
> 
> I second the motion! My attempts at making helicals have failed
> miserably. The winding consistency is critical. And the properties of
> the core have more effect on the end result than you might expect.
> Tuning them can be difficult without good test equipment (SWR bridge
> or antenna analyzer for the frequency involved).
> 
> A simple dipole will always out-perform a helical. But then almost any
> antenna will out-perform a helical.
> 
> Eric, KC8YB
>