EEVblog No Script, No Fear, All Opinion

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…

Dave talks about Tektronix’s new unreleased AGO3000 Gravity Compensated Oscilloscope with a high precision TCXO timebase with 2G tip-over gravity compensation. Datasheet Preliminary product launch page Forum HERE

Another lengthy mailbag, with plenty of diverse stuff. RCA Airnergy Bullshit Video Forum HERE SPOILERS: Kan Jam flying disc Psion 3A Organiser 1974 808 RapidMan Calculator made in Canada. Russian IN-9 Neon bargraph display tube. Datasheet Info & characteristic curves Wifi cellphone battery charging bullshit Kickstarter RF Energy Harvesting. Can …

A quick rant on T4 fluorescent tubes, and a small upgrade to replace a T4 tube with a LED strip. Previous video on LED lighting Dave’s back deck Forum HERE Podcast: Download

25 years in the making, the bible of electronics is now in it’s 3rd edition. That is all. Forum HERE

It’s all fun and games until an innocent opamp gets hurt! Dave proves he’s not the sharpest tool in the shed by killing an opamp in his µCurrent calibration test jig, whilst checking the calibration of course. Doh. Forum HERE Podcast: Download

Dave builds and tests the 24 core dual processor 2.6GHz Intel Xeon E5-2630 v2 video editing machine and benchmarks against his current 8 core i7 3770K machine at 3.5GHz. This is one hour of PC building and software testing, if you find this stuff boring, DON’T WATCH IT! Forum: http://www.eevblog.com/forum/blog/eevblog-726-dual-xeon-video-editing-machine-build/ …

Dave takes a peek inside the 50″ LG Plasma TV found in the dumpster. The Dumpster Dive video was on the EEVblog2 channel: https://www.youtube.com/watch?v=FPK1_hy4KMU Podcast: Download

A time lapse installation video of Dave’s 3kW home solar power system using LG MonoX panels.

Dave looks at his 3kW home solar power system after being in operation for 18 months and analyses the results. How much energy was produced? How does net and gross metering work? What is the payback period? What is solar insolation? The 3kW system uses 12 x 250W LG MonoX …

What’s inside Keysight’s new 34470A 7 1/2 digit Truevolt bench multimeter? What are the PCB changes from the 34461A? What voltage reference does it use to get 16ppm nominal accuracy? 34470A Datasheet 34470A Operating & Service Manual LTZ1000 Voltage Reference AD8638 Chopper Amplifier Forum HERE High resolution teardown photos: Podcast: …