Found a really good schematic for a 6m linear on the bottom half of this page:

http://www.aimcomm.net/sparky/p987.gif

Notice the excellent bias regulation, the filament tied to the cathode, the
filament supply choked and bypassed.... all good examples of proper RF
engineering practices. Now if you take a look at Skippy's site... LOL!

And to keep this post somewhat on-topic, the top half of that page has a really
cool tube LOWFER transmitter, in case anyone is interested. One watt, a range of
50+ miles with a good antenna, and no license required!





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