Homebrew PCBs

----- Original Message ----- 
From: "Brian" <blue_eagle74@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, February 09, 2009 1:57 AM
Subject: [Homebrew_PCBs] PCB Antenna


>I have been researching PCB Antenna's and found that they can be
> complicated. What I would like to know.. does anyone have a genaric
> layout for a 50 ohm 433MHz PCB antenna, if not a layout than how I
> could do it. A tutorial would be cool too. I am using Eagle CAD. I am
> going to try to etch it myself. I am only looking at a distance of less
> than 100 ft at about 2400 baud. I made a tempreture datalogger and
> would like to add a wireless unit for an outside temp.

The antenna itself is generally simple - a dipole or 1/4 wave with a 
groundplane. What complicates things is the matching network that is usually 
required.

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