AVR-Chat

----- Original Message ----- 
From: "Russell Shaw" <rjshaw@netspace.net.au>
To: <AVR-Chat@yahoogroups.com>
Sent: Thursday, July 05, 2007 5:35 AM
Subject: Re: [AVR-Chat] Antenna interfacing help?


> 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 operates at about 900 MHz. The matching network won't be all that 
critical.

Leon
--
Leon Heller
Amateur radio call-sign G1HSM
Yaesu FT-817ND and FT-857D transceivers
Suzuki SV1000S motorcycle
leon355@btinternet.com
http://www.geocities.com/leon_heller