ePanorama.net

All about electronics and circuit design

Microphone powering ideas

New Line Techtalk Phantom Supply web page shows how to build a very simple design for a phantom supply. Now since the question was for a simple phantom supply, fed by batteries, the choice was made to use two 9V batteries (since a lot of microphones can be run from phantom voltages as low as

3D Vision Problems

See ‘Avatar,’ Diagnose Your Vision Problems web article says that 56 percent of people aged 18 to 38 have vision problems that could make it difficult to view 3-D properly. Not everyone’s eyes can perceive perceive the stereo images correctly, and then their brain can’t merge them into one image in 3-D. This can cause

Do not use Internet Explorer

The German and French governments have warned web users to find an alternative browser to Internet Explorer to protect security. Microsoft has admitted that IE was the weak link in recent attacks on Google’s systems. That Operation Aurora attack used Chinese malware. This broad attack exploits a new, not publicly known vulnerability in Microsoft Internet

DIY fiber optic microscope

Fiber optic microscopes are used to inspect connectors to check the quality of the termination procedure and diagnose problems. A well made connector will have a clean, smooth, polished and scratch free finish. There is not be any signs ofcracks, chips or fiber not even with the ferrule front. The magnification for viewing connectors can

Fiber optic testing ideas

When working with fiber optics, you need some special tools to check fiber connections. Continuity checking makes certain the fibers are not broken and to trace a path of a fiber from one end to another through many connections. You can use a visible light “fiber optic tracer” or “pocket visual fault locator“. It looks

Progress on the Symbian

Symbian is the world’s most popular mobile operating system, accounting for 50% of smartphone sales according to Wikipedia. The Symbian Blog posting Progress on the Symbian^3 and Symbian^4 contribution plans tells the quantity and quality of features that the community is planning for Symbian^3 mobile phone operating system. Symbian^3 is nearing Functionally Complete (expected to

EDN microprocessor/microcontroller directory

There are so many processor options for embedded-system applications that it is easy to miss the perfect fit just because you do not know it even exists. EDN microprocessor/microcontroller directory has kept electronics designers up to date on available microprocessors/microcontrollers for 36 years. You have access a wealth of information on more than 70 vendors

3D TV is hot now

3D TVs promise to add an extra visual dimension to the video content. TV makers have made a big bet on 3D. According to Reurters television manufacturers are banking on 3D TVs for their next sales boost. The manufacturers heavily in 3D game include Sony, Panasonic, LG and Samsung. All of them will feature 3D