EEVblog

Another Mailbag, Dave opens his mail. What have people sent in this week? Forum HERE SPOILERS: Parrot clips Tekbox self powered active load Original Sony TPS-L2 Walkman from 1979 Sony DAT Walkman Sony Video Walkman Matrix SR4000 autochromatic tuner SunStar 1:18 scale Delorean Time Machine Soviet Union Elecktronika MK52 Calculator …

Dave explains how BJT and MOSFET transistors work at the silicon chip level. How does a BJT transistor actually amplify current? P and N type doping, charge carriers, conduction channel, field effect, holes and electrons, all the other good stuff. Forum HERE Podcast: Download

Dave goes back 20 years and find an old PC Based Logic Analyser project of his that was published in Electronics Australia magazine back in 1996. He uncovers the original timing diagrams, schematics, and prototype. And tries to resurrect the old Borland Pascal 7 source code and Lattice ispLSI PLD …

What’s inside the a 1987 vintage Sharp X68000 personal computer / gaming system from Japan? Sold exclusively in Japan from 1987 to 1993 this 10MHz 68000 based boasted graphics capability superior to the Amiga and Atari ST. The powerful graphics enabled pixel-perfect ports of clasic games arcade games, and the …

Mailbag time again. Dave opens his mail. What random stuff awaits? Forum HERE SPOILERS: Marble Run video below A vintage Japanese Sharp X68000 video game home computer from the 1980’s Teardowns of an industrial controller, a LED light controller, ABB industrial switchmode power supply, Casio FX-3800P programmable calculator, old Gossen …