EEVblog #893 – Mailbag

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 …

Read More »

EEVblog #892 – Siglent SSA3021X Spectrum Analyser Teardown

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 …

Read More »

EEVblog #891 – Siglent SSA3021X vs Rigol DSA815 Spectrum Analyser

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

Read More »

EEVblog #889 – Credit Card RFID Theft Protection Tested

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

Read More »

EEVblog #888 – Mailbag

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: …

Read More »

EEVblog #887 – The Economics Of Selling Hardware

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

Read More »

EEVblog #886 – Audi Lunar Quattro Moon Rover

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

Read More »

EEVblog #885 – Audi Quattro Lunar Rover Unboxing!

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

Read More »

EEVblog #883 – Orange Pi One vs Raspberry Pi 2

Dave takes a look at the Orange Pi One $10 single board 4 ARM Cortex A7 processor computer and compares it to the Raspberry Pi 2. Coving the install of the ARMbian flavour of Debian. Beware the security bug! And what is the power/watt efficiency between the two? Schematic HERE …

Read More »

EEVblog #880 – Mailbag

Mailbag Monday Teardown bonanza Forum HERE SPOILERS: LCD’s and CCD sensor under the Tagarno microscope The Aoyue3D Ritocco 3D shaping , cutting and finishing tool amazon 1980’s multimeters (Fluke ripoff) Wandel & Goltermann optical attenuator Cheap mains energy meter teardown DTV TV tuner teardown Wayback Wednesday material, a collection of …

Read More »

EEVblog #879 – R&S HMO1202 Scope Bandwidth Hack Investigation

Dave investigates how the front end bandwidth limiting works on the Rohde & Schwarz HMO1202 series oscilloscope. Is the bandwidth limit set just by the LMH6518 front end Variable Gain Amplifier chip through the SPI bus? See the extended 50 minute version HERE that has much more detail and mucking …

Read More »