80m Tiny Bug

The authors version on the ON7YD low power ARDF transmitter. To be used as a signal source or for ARDF training.

Schematic:

BOM:

above: PP3 battery box is fixed to the back of the PCB. Antenna and ground wire added, ready to hang from a tree branch for a mini ARDF hunt or for training.

Download

Gerber Files : https://drive.google.com/drive/folders/10j0-jX6sPyb-9hk9q5eC4sXTpdA01c0c?usp=drive_link

Reference

ON7YD website: https://www.qsl.net/on7yd/ardfbrew.htm