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Dave shows how to do power supply MOSFET rail switching and demonstrates and discusses why supply sequencing might be needed. Forum HERE EEVblog #995 - Power Supply Sequencing [ 0.01 MB ] Download (1102)

Amazing mailbag dumpster find! Boards for particle accelerator testing at CERN and Fermilab found in a dumpster at the The Svedberg Laboratory in Sweden: Designed by Lecroy! Also a look at FASTBUS, VME, CAMAC modular crate electronics. Forum HERE LINKS: http://teledynelecroy.com/lrs/dsheets/1881m.htm http://cdn.teledynelecroy.com/files/manuals/1872aman.pdf http://ieeexplore.ieee.org/document/673198/ https://en.wikipedia.org/wiki/Superconducting_Super_Collider https://inis.iaea.org/search/search.aspx?orig_q=RN:23031694 https://books.google.com.au/books?id=wDnUBwAAQBAJ&lpg=PA927&dq=lecroy%20mtd132&pg=PA927#v=onepage&q=lecroy%20mtd132&f=false Thanks to Uwe Zimmermann

More mailbag! More teardowns! Forum HERE SPOILERS: Tekbox TBLC08 CISPR16 Line Impedance Stabilization Network (LISN) for the measurement of mains line-conducted interference RF Telemetry Transmitter teardown Telecoms line PCB’s from the 1980’s and 1990’s Gridseed G-Blade Scrypt cryptocurrency miner Rogaine video advertisement hardware teardown EEVblog #993 - Mailbag [ 0.01 ...

Servicing and cleaning the Olympus BHM microscope and 3D printing a Cree LED replacement EEVblog #992 (Part 2) - How To Clean & Service A Microscope [ 0.01 MB ] Download (1714)

Unboxing an ebay Olympus BHM wafer inspection metallurgical microscope. Did it survive the atrocious ebay packaging? Will a custom Cree LED light replacement work? Forum HERE EEVblog #992 - Olympus BHM Wafer Inspection Microscope [ 0.01 MB ] Download (2693)