Download for free magazines Schemotechnics 2000-2007, annual files

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Journal of Circuitry

Journal of Circuitry

You can free and without registration download magazines Circuit engineering 2000-2007.,
for each year - all issues from January to December: No. 1 January, No. 2 February, No. 3 March, No. 4 April, No. 5 May, No. 6 June, No. 7 July, No. 8 August, No. 9 September, No. 10 October , No. 11 November, No. 12 December. The archive of journal issues is regularly supplemented.

Contents of journals Schemotechnics 2000-2007

You can download other books, magazines, manuals, as well as diagrams and service manuals in our Free online technical library. Search books, magazines and collections here.

All electronic domestic journals on radio electronics and collections online, which can be downloaded for free and without registration: Radioamator's notepad, KV magazine, Help for a radio amateur, HF and VHF, Electronics News, New Radio Yearbook, Радио, Radioamator, Radioamator-best, radio business, radio design, radio yearbook, Radio components, Radio constructor, Ham radio, Radiomir, radio circuit, radio hobby, Repair and service, Repair of electronic equipment, Service center, Circuitry, EKiS (Electronic components and systems), Electronics

Magazine Circuitry free download. Choose the year you need 2000-2007:

Journal of Circuitry 2000 (archive for the year)

Journal of Circuitry 2001 (archive for the year)

Journal of Circuitry 2002 (archive for the year)

Journal of Circuitry 2003 (archive for the year)

Journal of Circuitry 2004 (archive for the year)

Journal of Circuitry 2005 (archive for the year)

Journal of Circuitry 2006 (archive for the year)

Journal of Circuitry 2007 (archive for the year)

Search in books, magazines and collections

Enter the title of the article or book, in whole or in part. For example, charger, generator, timer...

Latest news of science and technology, new electronics:

The existence of an entropy rule for quantum entanglement has been proven 09.05.2024

Quantum mechanics continues to amaze us with its mysterious phenomena and unexpected discoveries. Recently, Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lamy from the University of Amsterdam presented a new discovery that concerns quantum entanglement and its relation to entropy. Quantum entanglement plays an important role in modern quantum information science and technology. However, the complexity of its structure makes understanding and managing it challenging. Regulus and Lamy's discovery shows that quantum entanglement follows an entropy rule similar to that for classical systems. This discovery opens new perspectives in the field of quantum information science and technology, deepening our understanding of quantum entanglement and its connection to thermodynamics. The results of the study indicate the possibility of reversibility of entanglement transformations, which could greatly simplify their use in various quantum technologies. Opening a new rule ... >>

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Random news from the Archive

Laser holograms will improve the quality of industrial XNUMXD printing 15.12.2019

One of the shortcomings of modern industrial technologies of laser three-dimensional printing is a strong heating at the point of contact of the metal with the laser light beam. This heating melts the metal powder, but it also introduces areas of internal mechanical stress and deformation of the part to be manufactured. And all these things are practically unpredictable, which makes it impossible to somehow compensate for them. However, a group of researchers from the University of Cambridge found a way to solve the problem described above. With the help of special holographic images generated by a computer using complex algorithms, it is possible to control the distribution of laser light energy in three dimensions, which makes it possible to avoid unnecessary heating of the manufactured part.

"Instead of using a single beam of high-power laser light, we use several beams of laser light that are focused in a specific way at the right point in three-dimensional space," says Professor Tim Wilkinson (Tim Wilkinson), head of this project, - "This allows us to print parts "in a more three-dimensional way and avoid thermal distortion.

The hologram from which the XNUMXD object is printed is calculated and modified by the computer at a rate of about a thousand times per second to improve control over the distribution of energy. At the same time, the algorithms that produce the control hologram take into account a number of subtleties, such as the properties of the materials used, optical distortions, current temperature, etc. "This holographic approach allows us to do things that were previously impossible to do. There are certain types of structures that cannot be printed because of the thermal deformations that occur," says Professor Wilkinson.

Now scientists have already created a pilot plant with three lasers whose beams are reflected from a silicon "microdisplay", a thin layer of liquid crystals on the surface of a silicon chip, which acts as a controlled diffraction grating and changes the phase of the reflected laser light beam. And in the near future, the Cambridge researchers are planning to create a more advanced installation, which will use eight lasers with a total power of 200 W, which is enough to melt particles of aluminum powder.

In addition to testing the operation of liquid crystal microdisplays at this level of laser light power, scientists, using the new facility, will work with metal powders with the addition of plastics and resins to improve the algorithms for compiling control holograms. Plans call for a new and larger plant to start operating in 2020, and the project, which should result in a fully operational industrial plant, will be completed by 2022.

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