• Past Posts

    EEVblog #957 – How To Measure DC-DC Converter Efficiency

    Dave shows you how to setup, measure and generate an Efficiency vs Load Current characteristic curve for a DC-DC converter, just like you see in the datasheets. Several traps for young players are discussed, along with plotting Logarithmic axis charts in a spreadsheet. Electronic Load Kit BM235 Multimeter: http://amzn.to/2hJp78T Rigol ...

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    EEVblog #956 – Countersurveillance Monitor Teardown

    How does a Countersurveillance Monitor (a.k.a Bug Detector) works to sweep a room for bugs? Teardown of the Research Electronics CPM-700 Also a look at the NSA “LoudAuto” radar retro-reflector spy bug, and some cold war ear Soviet embassy espionage. NSA Spy Devices Brochure Talking Electronics FM Bugs Forum HERE ...

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    EEVblog #955 – World’s First Portable Computer Teardown

    What’s inside the world’s first portable microcomputer? The Osborne 1 from Osborne Computer Corporation torn down. An Adam Osborne and Lee Felsenstein design. ROM Dumps HERE and HERE Field Service Manual Technical Manual Forum HERE EEVblog #955 - World's First Portable Computer Teardown [ 0.01 MB ] Download (4378)

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    EEVblog #954 – How To Setup An Electronics Lab For $300

    Dave shows you how you can set up an electronics lab for only a few hundred bucks. Multimeter, oscilloscope, power supply, function generator, soldering station, solder, wire, tools, microscope and magnifier, and components. The previous video HERE Forum HERE Links: UT136B Multimeter OWON VDS1022I USB Oscilloscope YiHUA 936 Soldering Station ...

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    EEVblog #952 – Nixie Tube Display Project – Part 3

    More on the nixe tube driver chip, testing for bias glow and clamp voltages. Schematic design in Altium Designer. Selection of the Wifi ESP8266 module Traps in 3.3V / 5V logic level translation. Design tip for neat schematics. Forum HERE EEVblog #952 - Nixie Tube Display Project - Part 3 ...

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