80 m transmitter for ARDF
This page contains drawings for a 80 m transmitter intended for
ARDF. This transmitter is designed to give 1 -2 Watts output to typical
ARDF antennas. Antennas of 5 to 10 m vertical wire and a ground plane of
three 10 to 15 m long wires.
This transmitter has been used by several clubs since 1983 and
was used during 1994 World Championship in Stockholm. The transmitter is
intended for 12 V supply but will give higher output power if the voltage
is increased
Save the drawings by clicking on them with right mouse button.
You can after that print them in correct size if you open the drawing in
a real image processing program.
Circuit diagram
Circuit board layout
seen from solder side
Component placing
If you have comments or questions, email me at sm5fug@swipnet.se