Tag Archives: linear

Amplifier PTT Buffer Schematic

I’ve been keying my KW1000 linear using a relay to buffer the FT847.  The FT847 closed a 12V circuit across the relay and the relay in turn keyed whatever voltage/current the linear requires.  The relay in the KW1000 is old, large … Continue reading

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Swan 1200X and KW1000

After spending the xmas holiday converting my noisy poor performing end fed random wire to a resonant 40/30m fan dipole I decided 2015 would finally be the year I invest in a linear amplifier. This would be primarily for home … Continue reading

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