Amateur Radio Technical Notebook – GM3SEK

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Best of ‘In Practice’ on the web – Articles and resources of long-term interest, including switch-mode power supplies.

Russian GS35b triode - Amateur Radio Technical Notebook - GM3SEK

Amateur Radio Technical Notebook – GM3SEK

The Triode Board – PC board and Kit for Triode PA control and protection

The Tetrode Boards – PC boards and Kit for Tetrode PA control and protection.

Cost-effective Ferrite Chokes and Baluns

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