Hambuilder Antenna Tuner prototype

This prototype inspired by MFJ-928 or KAT100 or ATU from OM K2ZAR Automatic Antenna Tuner from internet. On diagram below show the basic concept but I considered not to use Z sensor and frequency counter to make it simple for now and may be will adopt later.




HBRATU control board


HBRATU main board





Hambuilder Team


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