Defibrillator Teardown! Inside the Heartsine Samaritan Pad AED heart defibrillator. Forum HERE Datasheets: CS20-22moF1 vs-30tpspbf irg4ph40upbf FQP45N15V2 ISD4004 Podcast: Download
Read More »EEVblog #908 – Zener Diodes
Fundamentals Friday. A tutorial on Zener Diodes. Avalanche breakdown, zener breakdown, zener effect, knee voltage, power dissipation, differences from regular diodes, calculating dropper resistor value, voltage regulation, clipping, clamping, transient surge overvoltage protection, characteristic curve, forward and reverse characteristics. Forum HERE Podcast: Download
Read More »EEVblog #907 – RETRO Teardown: Sony Video Walkman
Rocking straight out of 1989, what makes the Sony GV-9E Video Walkman a marvel of engineering, yet ultimately a flop? Manual HERE What’s on the tape VIDEO Glass delay lines VIDEO Forum HERE Podcast: Download
Read More »EEVblog #906 – Mailbag
More Mailbag Forum HERE SPOILERS: Amateur HAM Radio Study Guides from Dan Romanchik PCBite professional PCB holder Accurate panel meter Valve Bonanza Turns your PSU into a USB charger OP.A FM Synthesiser Arduino Shield Flip Dot Displays Lumintop TD16 1000 lumens Tactical Flashlight Torch: Worm AAA Keyring Torch Worm Brass …
Read More »EEVblog #905 – REPAIR: HP85 Vintage Computer
Dave screwed up and now he has to fix it. What went wrong with the vintage Hewlett Packard HP85 personal computer? Forum HERE Podcast: Download
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