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OTA hits vacuum: pre-order VanderVeen Trans Tube Amplifiers book

Mentioning OTA makes engineers’ faces brighten with fond memories of the glory days of the transconductance amplifier, a famous and widely praised bit of IC technology from the 1970s. Now, Elektor long standing author Menno van der Veen, in a new book reveals not just how the mathematical principle of the OTA can be applied to vacuum tubes, but also how to tackle the design of experimental OTA tube amplifiers. Early adopters of tubed OTA amp design can now pre-order the new VanderVeen Trans Tube Amplifiers book and get a substantial discount of 15%.

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Posted in Elektor Posted Mar 4, 2015 4:05:07 PM
The IBM, Freescale and ARM IoT Starter Kit

At Embedded World 2015, amongst all those other IoT starter kits that were being showcased, IBM together with ARM and Freescale announced their IoT Starter Kit – Ethernet Edition. From the hardware standpoint it uses Freescale’s FRDM-K64F development platform powered by an ARM Cortex-M4 processor with an integrated floating point unit and DSP. The chip is clocked at 120 MHz with 256 KB of RAM and 1 MB of flash.

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Posted in Microcontrollers Posted Mar 4, 2015 8:40:33 AM
640 K ought to be enough for anyone…

Whether he really said that or not is still up for debate. The quote appeared at the beginning of an editorial written by James E. Fawcette published in the April 29, 1985 issue of InfoWorld and the was attributed to a certain William Gates, chairman of Microsoft...

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Posted in Computer/Software/Internet Posted Mar 3, 2015 1:39:18 AM
Juice-up your Pi

Once you’ve developed your Raspberry Pi application there may come a time when you need to disconnect from mains power and let the Pi run free. Now you need to consider hooking up power packs to the RPi environment and everything starts to get a little…

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Posted in Computer/Software/Internet Posted Mar 2, 2015 1:25:37 AM
Now it kills cancer… is there anything Graphene can’t do?

Graphene has been hailed as a wonder substance set to revolutionise materials science. It has the potential to allow the production of lighter, stronger composites as well as flexible, bendable electronics. Graphene oxide membranes can be used to prevent surface corrosion or filter clean water in real time...

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Posted in Education & Information Posted Feb 26, 2015 4:52:13 PM
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