EEVblog – Podcast

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

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

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

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: …

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