lunedì 17 febbraio 2020

1 BJT Transceiver by HA4OO

This is an incredible micro transceiver: only 1 transistor, and less tha 100mW of power for a QRPx RIG. Very essential; only a few components.
Some QSO have been done on the first skip on 20 m during last ARRL contest.




73 de IZ3AYQ

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