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All about electronics and circuit design

Broadband Access Becomes Legal Right In Finland

Starting next July 2010, every person in Finland will have the right to a one-megabit broadband connection. Finland’s Ministry of Transport and Communications has made 1-megabit broadband Web access a legal right, YLE, the country’s national broadcasting company, reported on Wednesday.The government had already decided to make a 100 Mb broadband connection a legal right

Survival Between Microphone and Voice Coil

An EE’s Guide to Survival Between Microphone and Voice Coil is an interestingĀ  slide set amde by NetherlandsĀ“ well known audio engineer Bruno Putzeys and put to web by Hypex Electronics and Grimm Audio. It was presented in AES convention at 2007. It is a very good presentation of the whole audio electronics path from

Goodbye to CRT technology

Prosessori magazine reports that traditional CRT display technology is dying much sooner than expected earlier. The sales of CRT based displays has practically ended in Western Europe, Japan and North America. And the sales of traditional CRT based TVs is also dropping very quickly on developing markets as well. According to Displaysearch research center people

Use right ground symbol

Use right ground symbol in your electronics schematics and other drawings. Earth-ground symbol represents a real connection to earth. That connection could be for example 10-foot-high copper-clad steel bar driven into the earth (at your premises or nearby provided by power company) or metal water lines. That earth ground is wired to the neutral of

Nokia N900

I had yesterday change to play a little bit with Nokia N900 mobile communicator at at Expert Expo in Helsinki. This brand new Nokia smartphone that you can’t yet buy anywhere, just pre-order. This device runs on Maemo Linux operating system and worked well. This device felt much better than Nokia N97. The tough screen

Digital audio isolation

Isolator for digital audio is needed in cases where coaxial S/PDIF digital audio link forms a ground loop in your audio system. Typically in coaxial S/PDIF connections the coaxial cable shield is connected to equipment cases. This arrangement easily creates ground loops which can cause noise problems in various places in audio system. A suitable

New volume standards for MP3 players

According to Reuters news article the European Commission has issued new volume standards for MP3 players on Monday this week. The new standards will require that MP3 players will play at a safe volume by default. There will also be a health warning so consumers who choose to override the default settings know the risks.

Build a Ground Loop Detector

Ground loops are a common problem in many experimental setups. A ground loop is an un- wanted closed loop of cables in the setup, most often through the ground system. Those ground loops are often hard to find and debug. A Ground Loop Detector document describes how to build and test a simple system to

Power Everything with USB

9 Kick-Ass DIY Projects to Get Your Hack On article on maximumpc.com web site starts with instructions how to alter a non-USB gadget so that it can be run off of USB power from your computer. The article shows you how to use USB to power a desk fan and book-light lamp.