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  Agilent E3631A Power Supply Accuracy

  During the course of my thesis, the need for distraction – plus the need to save some labor inspired me to develop automated testing methods. I wrote a little previously about setting up PyVISA on OSX, but didn’t show any real examples of its use. Here, as a proof of concept, I measure the linearity […]

  Posted: April 15th, 2013 ˑ  2 Comments
  Filled under: Projects, Resource
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  HP 5257A Transfer Oscillator

  First teardown under my new documentation rig, a HP 5257A Transfer Oscillator. The 5257A is really a remarkable piece of equipment, a magnificent example of Hewlett Packard’s mastery of both mechanical and electrical engineering. Despite performance to 18GHz, the insides of the transfer oscillator are just as familiar to watchmakers as electrical engineers. The closeups […]

  Posted: June 2nd, 2011 ˑ  No Comments
  Filled under: Teardowns