Questions tagged [theory]

This tag is for questions of radio theory and/or the underlying physics.

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How can the output power of a Yaesu FT101E be increased?

I have a Yaesu FT101E which has low output because the final 6JS6C valves are old. If i increase the plate voltage on the final tubes from 600 to 800 VDC by changing the mains transformer tapping ...