EEVblog No Script, No Fear, All Opinion

Dave replies to a youtube comment that you can’t learn much practical design stuff from vintage teardown videos. Forum HERE Podcast: Download

What’s inside a vintage Fluke 5450A Resistance Calibrator used in cal labs to calibrate multimeters? Schematic HERE Coto reed relay High Resistance measurement with a relay matrix: https://www.youtube.com/watch?v=fs2MfTW4o_Q https://www.youtube.com/watch?v=-mavHYV-H6o Forum HERE Podcast: Download

The first mailing house envelope has arrived, in Sweeden of all places, and then Singapore: No Australia on the return address, and they said they would print a barcode but didn’t. Perhaps that delayed the delivery?

Dave tests the myth that plugging a PCB VIA with solder does nothing (or not much) to improve the current handling capability. Is manual wire feed-through any better? Does the industry rule of thumb of 0.5A per VIA have any basis? What is the typical plated VIA/hole thickness? http://saturnpcb.com/pcb_toolkit.htm Previous …

The live drawing of the giveaway for the Fluke CNX3000 Multimeters, Gossen Metrahit World Multimeter, and Chronovu Logic Analyser

Submit your questions for the first EEVblog Q&A video, either in the youtube comments, blog website, or forum thead here: DO NOT comment on this video, this is for Q&A questions only. If you do I’ll delete it, and probably ban your arse for being an idiot who can’t follow …

Is on TODAY (1st Nov), 4pm Sydney time http://www.timeanddate.com/countdown/generic?iso=20131101T16&p0=240&msg=EEVBlog+Giveaway+Draw Watch and/or participate using ustream: http://www.ustream.tv/channel/eevblog http://www.eevblog.com/live-show/

Review, teardown, and testing of the Rhino Tools ZD985 desoldering station on typical through-hole double sided and multi layer PCBs. This is the OEM: http://www.china-zhongdi.com/2013/?p=121 Podcast: Download

Mailbag time. CERN Large Hadron Collider Playstation 3 Yellow LED of Death LME49990 AD797 Some vintage calculators The first Teletype mailbag letter! Old Fluke Multimeter parts Micro robotic creatures Forum HERE Podcast: Download

More progress (or is it?) on the HP35670A DSA repair. Part 2 HERE Part 1 HERE Forum HERE Podcast: Download

Dave does an impromptu teardown and repairs his 125KHz RFID lab access card. And finds a use for his DSO Quad oscilloscope. Forum HERE Podcast: Download

Part 1 HERE Part 2 of the HP 35670A Dynamic Signal Analyser repair. Forum HERE Podcast: Download

Dave has a very quick look impromptu look at the Australian Square Kilometre Array (SKA) Phase Array Feed Prototype receiver Photos HERE Design of the Phase Array Feed: http://www.atnf.csiro.au/projects/mira/tech_session3_SH.pdf http://www.atnf.csiro.au/research/conferences/Parkes50th/RobertBraun.pdf NOTE: This is most definitely not up to my usual standard for content or quality, so don’t expect much, it …

Dave repairs a HP 35670A Dynamic Signal Analyser. Well, kinda… Forum HERE Podcast: Download

And update on the shipment of the uRulers and the Tyvek envelopes Tyvek Envelope Printing Tyvek FAQ DuPont Tyvek Users Guide.pdf