tekgirl

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tekgirl

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  • 02.28.2017
  • Rescued analog oscilloscope works fine, still has value
  • I just rescued a 1983 vintage Hitachi 100MHz oscilloscope myself. This scope, though it isn't fast, has exceptionally low noise on the lowest voltage vertical scales, making it better than the super-cheap Chinese oscilloscopes for $500 that you can buy on Ebay.
  • 05.28.2016
  • Old faithful tools
  • I know it's a real anachronism, but I still use my Faber Castell Novo Duplex slide rule to do resistor ratio matching. There's just no digital tool which is as fast and easy to use for that one problem. I set the ratio in the slide, then I can just look through the resistors in stock and see which are the closest to the desired ratio. People have looked at me funny while using it though. For everything else, I use computers like a normal person. :-) Here's someone's blog on this particular slide rule. It's really a lovely tool, and I still prize mine. http://www.stefanv.com/calculators/fc283n.html