Fundamentals Friday What is Sheet Resistance? Did you know that the resistance of a square copper PCB trace is the same regardless of the size? Dave explains the theory behind this rather counter-intuitive concept called Sheet Resistance, and demonstrates that it is in fact true. What is the ohms per …

Youtube are offering a new paid subscription service for viewers who want to watch their videos ad-free. The catch for Youtube Partners & Content Producers is that it looks as though this is *compulsory* to join and agree to in order to continue to get monetisation on your videos! Dave …

Inside the new Keithley DMM7510 7.5 Digit Bench Multimeter What gives this unit it’s superb 14ppm/1year accuracy specification? What construction techniques have they used? How and why are Fluke so heavily involved? What considerations are given to the power supply and isolation aspects? How does it compare with the cheaper …

How ceramic backed precision thin film resistor networks are constructed and laser trimmed. Examples come from the resistor networks in the 7.5 digit Keithley DMM7510 Multimeter, manufactured by Fluke. Forum HERE Podcast: Download

The Google Brain project with 1000 servers (16,000 cores) simulating a model of a brain with a billion synapses analysed 10,000,000 200×200 images over 3 days from Youtube, and out pops Dave’s head! Scary…