Vacuum Tube Transmitter

A One-Vacuum Tube FM Transmitter

Sources: Elettronialtramonto.forumfree.it

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ECL85 medium wave AM-Transmitter

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Émetteur CW à lampe 6L6 ou 6V6

http://www.radioboatanchor.com/blog/homebrew-cw-6l6-vacuum-tube-transmitter-build

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Émetteur CW à lampe EL84