Active ferrite rod antenna for HF


Posted on Feb 7, 2014

The red connector is for an optional external antenna wire and the black connector is for a ground wire. The red is wired to secondary winding and the black is connected to the circuit ground plane. Additionally two by-pass capacitors (100n) are soldered from different +9V locations to the GND plane for stability in high gain setting. The ferrite


Active ferrite rod antenna for HF
Click here to download the full size of the above Circuit.

is Amidon R61-050-300. Click the pictures.




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