EEVblog #570 – LAB Cleanup And Shelving

Dave cleans up the lab and adds some shelves. Exciting stuff. Original lab timelapse build: https://www.youtube.com/watch?v=lhsgJnrkQYc Forum: http://www.eevblog.com/forum/blog/eevblog-570-lab-cleanup-and-shelving/ Podcast: Download

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EEVblog #569 – Tour of an Analog TV Transmission Facility

David Kilpatrick from TXAustralia takes us on a detailed tour of the old decommissioned 10kW analog TV transmission system at the Artarmon facility in Sydney. How it all works from the broadcaster video input to final transmission output up the 180m broadcast antenna. Plus some teardowns of the old equipment …

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EEVblog #568 – Solderless Breadboard Capacitance

What is the actual capacitance of typical breadboard contacts? It’s not in the datasheet, so Dave decides to measure it. It is well know that breadboards are not suitable for high frequency work due to the stray capacitance between contacts, but how bad is it really? Forum: http://www.eevblog.com/forum/blog/eevblog-568-solderless-breadboard-capacitance/ Podcast: Download

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EEVblog #567 – Precision 1A Current Source

Dave breadboards a precision 1A current source circuit and finds that even the application reference circuit doesn’t work as expected. Showing that you can’t just blindly trust that datasheet application circuit will work first go. LTC6655  Forum HERE   Podcast: Download

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HP, err, Agilent, has a new name…

      So, HP, err, I mean Agilent, have a new name – Keysight Technologies. That’s as big a news as it gets in the electronics industry, but as Julius Sumner Miller said, why is it so? Does anyone care if they change their name? You bet! In 1939 Bill Hewlett …

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EEVblog #566 – Cheap USB Microscope Reviews

Dave takes a look at two cheap USB microscopes to see how suitable they are for electronics works and soldering and inspection. http://amzn.to/JEXuLH Andonstar/Vividia 2MP 12mm diameter endoscope style USB microscope: http://amzn.to/1cLfhHr http://www.ebay.com.au/itm/171176517011 Podcast: Download

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EEVblog #565 – Tektronix TDS3054 Oscilloscope Repair – Part 2

Part 1 HERE Dave follows a more methodical troubleshooting procedure in order to track down the fault in the Tektronix TDS3054 oscilloscope. Measuring the low and high frequency differential outputs of the hybrid front end, the voltage rails and other parts. And has the magic smoke escaped? And he couldn’t …

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EEVblog #561 – Mailbag

http://www.frantone.com/ https://www.youtube.com/user/ContourCorsets Apollo LVDC teardown: Part 1 Part 2 Part 3 Original: https://www.youtube.com/watch?v=J0ggqY7vnAw RCA Numitron Nixie tube display XMOS StartKit How to make a DIY Solder Paste stencil from a soda can. Forum HERE Podcast: Download

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