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Extreme Mailbag! 2 minutes per mailbag item, can Dave do it? Forum HERE SPOILERS: Hobby Creek Pana Hand PCB Rax from BenchWerks SwissMicros HP Calculator replacements. Voyager landscape format scientific calcultors to replace the HP15C, HP16C, and HP41CX Equil EMF Radation protection device Bullshit Semikron IGBT hybrid VFD drivers bridge …
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What is the difference between LCD viewing angle and bias angle? How does adjusting the LCD bias voltage effect the display? What is LCD Ghosting? Also a demonstration of Photoelastic Birefringence in polycarbonate plastic display covers. Dave investigates the Liquid Crystal Display viewing angle problem in the EEVblog BM235 Multimeter. …
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Dave talks with Karsten Becker from PT Scientists about radiation in space and it’s effect on electronics and the design challenges involved for space probes, satellites, and cubesats. The Van Allen belt and types of cosmic radiation. What are “radiation hardened” components? What are “Space Grade” components? Forum HERE
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Dave talks with Karsten Becker from PT Scientists about the electronics on board the Audi Quattro Lunar Rover, and space electronics in general. Radiation, thermal design, camera systems, power supplies and more. Forum HERE Podcast: Download
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Dave tests the Castle Creations CC BEC Pro battery eliminator used in model airplanes to see if it meets is rated continuous current performance claims. Also a bit of a how-to on testing regulators like this, 4 terminal load sensing error reduction is demonstrated. Airflow and thermal camera measuremements are …
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Inside the Keysight U1461A Insulation Resistance Multimeter Forum HERE Hires teardown photos: Podcast: Download
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More Mailbag Monday Forum HERE SPOILERS: Infinity PV organic printed solar cells: Panasonic 840 JE-840U calculator teardown LED controller car computer thingo teardown Old school parallel port software protection dongle teardown World’s first logic IC! The Fairchild µL900 series, as used in the Apollo guidance computer. Dave is taken to …
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A very detailed look inside the new Siglent SSA3021X 3.2GHz Spectrum Analyser. The entire RF section is broken down and analysed in depth with a block diagram overlay. Forum HERE Keysight AN150 App Note Datasheets: AM3352 mic5209 LMH6517 hmc307 HMC832 hmc976 hmc860 HMC284 hmc488 hmc716 VSWA2-63DR+ hmc703 hmc189a V600ME14-LF hmc860 …
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Dave compares the new Siglent SSA3021A 2.1GHz spectrum analyser with similar priced Rigol DSA815. Noise floor, clock and PLL phase noise and other performance aspects are measured and compared between the two models. Bugs?, yup, got those too! Forum: http://www.eevblog.com/forum/blog/eevblog-891-siglent-ssa3021x-vs-rigol-dsa815-spectrum-analyser/ Podcast: Download
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What’s inside the ArmourCard active RFID jammer for NFC contactless credit cards? Does it work? Will it protect you from skimming? Forum HERE Patent HERE Lithium Battery HERE Podcast: Download
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Do those RFID shielded wallets and bags actually work to protect your contactless credit cards? Systems like VISA PayWave and Mastercard PayPass. Does aluminium foil work? Dave does some measurements to find out using a H-Field probe TekBox EMC probe set Forum HERE Podcast: Download
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More Mailbag! Forum HERE SPOILERS: Electronic Dummy Load and Dave discusses potential technical issues with paralelling MOSFET’s www.nupo-artworks.de Atheist Book: Christian Mythology for Kids Metal Rectifier, / Selenium Rectifier. Hornby Triang model train P5A Power Controller. Gtronics Protoshield Plus for Arduino Mitsubishi MT-398FOR6A Analog Mobile Phone Swiss Tools Screwdrivers Podcast: …
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In this Fundamental Friday Dave discusses the economics of selling your own hardware. Both directly and through a distributor/reseller. Everything you need to know about pricing your product for your hardware startup. Cost Multiplier, Gross Margin Percentage, Markup, and Cost Of Goods Sold are all explained. Forum HERE Podcast: Download
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Dave talks to Karsten Becker from PT Scientists, head of electronics development for the Audi Quattro Lunar Rover that will land at the Apollo 17 landing site on the moon in 2017 It is front runner in the Google Lunar X-Prize Forum HERE Podcast: Download
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World’s first unboxing of a lunar rover! The Audi Lunar Quattro moon rover, which is an entry in the Google Lunar X-prize. Scheduled for launch in 2017. Developed by PT Scientists. With the head of electronics development, Karsten Becker. More videos coming… www.mission-to-the-moon.com Forum HERE Podcast: Download
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