EEVblog – Podcast

The most often requested video! Dave explains what Operational Amplifiers (OpAmps) are and how they work. The concepts of negative feedback, open loop gain, virtual grounds and opamp action. The comparator, the buffer, the inverting and non-inverting amplifiers, the differential amplifier, and the integrator circuit configurations are also explained. Then …

The EEVblog is 5 years old today! Just a quick thanks to everyone who has supported me and the blog. Podcast: Download

What’s inside a professional Sony MDE7000 Video Effects Processor, as used in TV stations and video production facilities? This one was used in the Foxtel TV1 TV station before it was shut down end of 2013. Dave also discusses high density PCB design issues and methods, and systems engineering. Spec …

Fluke 114/117 Kit Multimeter for hackers, makers, and hobbyists. Tweet @FlukeCorp if you want to get on the list for one: Use the hashtag #FlukeKit Or ask on their Facebook page Dave comments on the Sparkfun/Fluke multimeter customs trademark/trade dress fiasco, and shows off the new low cost Fluke 114/117 …

Dave takes a look at the world’s cheapest temperature controlled soldering station, the $16 Hakko 936 knockoff Yihua 936 from Hobby King. How does it compare to the older genuine Hakko 926? Also, thermal capacity comparison testing is done on those two irons plus the high thermal capacity JBC. Sagan …