Over the last few years the ‘day job’ has involved developing products that have ‘floating’ electronics – multiple power-supplies that don’t take kindly to sharing a common 0V and really don’t like being earthed. So when debugging these designs I’ve had to build little isolator devices to be able to look at the logic –Read more about Isolating logic analysers[…]
When I was young there was a sign on the wall in my grandfather’s film cutting room, it went something like this “Fred was a wheeltapper – one year Fred changed 387 wheels before he realised his hammer had a crack in it.” Having experienced ‘wheeltappers syndrome’ a few times in the past (including withRead more about Wheeltapping and Voltage References[…]
In 2011 I fell in-love. With an old Hameg oscilloscope. Actually it was one particular feature I fell in-love with – the “Component Tester” feature. This led to a passionate affair with Analogue Signature Analysis and is in many ways the kernel of Fisher Instruments (more on this in a later post). So with allRead more about Project SNOW[…]
New Years Eve test posting. Happy New Year!!