I heard about the CERN Open Days on the eevblog forum. I managed to get some tickets for an underground tour to the ATLAS experiment so I decided that I just had to go and see CERN for myself. Me and my girlfriend combined a Paris trip with the CERN part so we took a TGV train to Geneva on Sunday 29th after spending some time in Paris. Under one […]

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I recently acquired a pair of HP 6632A power supplies for a very decent price (about 100€ for the pair). These are late 90s models from HP, capable of 0-20V and 0-5A. They have a GPIB port (well actually HP-IB but it’s almost the same thing as GPIB, just an older non-standardized version from HP) so you can control them with a computer. They are 19″ in size so with […]

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