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Harry's Homebrew homepages.
http://w1.859.telia.com/~u85920178/
Over 200 projects, many with photo's and most with PCB patterns (BMP 250pixels/inch), even small PDF library and homebrew messageboard. Latest project is DIY IF cans for valves (tubes) complete with on-line calculators for the coils. Inc. Photographs. Would be interested to hear whether anyone has any suggestions for multi-gand tuning caps (100pf or more). I have been shoving tapered PCB strips between other and it works a treat, but there must be simpler methods. Also tried sponge/PCB sandwich with bolt compressor. Also works well, but capacity limited. Ideas anyone? (Not interested in varicaps/varactor diodes. They don't work so well with 250vDC!) BR Harry (E-mail, remove nospam and correct the spoelling error) |
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