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Power Amplifiers

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Simple ignition switch for a car



Section Car. Ignition. It is known that most of the Russian fleet is equipped with simple contact ignition systems based on the principle of interrupting the current flowing through the low-voltage winding of a high-voltage transformer, which is the ignition coil, using a mechanical interrupter, which is a contact switch driven by the ignition distributor shaft. Such a system has a lot of disadvantages, the current flowing through the primary winding of the ignition coil is too high, and as a result, sparking occurs in the interrupter, which inevitably leads to burning and melting of its contacts, plus, in winter or autumn-spring time, electrochemical erosion of these contacts is added ... >>

Universal metal detector



Section Metal detectors. The universal metal detector is able to detect both small and large metal objects. It is equipped with several interchangeable coils with a diameter of 25 to 250 mm. This allows you to detect the location of small objects with an accuracy of millimeters at a distance of several centimeters, and large objects - at a distance of several tens of centimeters. ... >>

Caller ID based on Panasonic KX-T2365 phone



Section Telephony. It is known that most phones with caller ID are made on the basis of cheap Asian-made devices. But firstly, such phones are not very decent to put in the office, and secondly, their mechanical elements are not very reliable. Having such a phone at home where it is not heavily used is still acceptable, but if you work with the phone all day long, then after a while its keys begin to function indistinctly. From this we can conclude that caller ID, which will not spoil the interior with its appearance and daily long work with which will not cause a headache, should be based on telephone sets of firms known for their high quality ... >>

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Articles on power amplifiers

 


 

Automotive power amplifiers

Articles on car power amplifiers, car power amplifier circuits, descriptions of car power amplifiers: 23 articles

 


 

Tube Power Amplifiers

Articles on tube power amplifiers, schemes of tube power amplifiers, descriptions of tube power amplifiers: 72 articles

 


 

Transistor power amplifiers

Articles on transistor power amplifiers, transistor power amplifier circuits, descriptions of transistor power amplifiers: 229 articles

 


 

Latest news of science and technology, new electronics:

The speech of sperm whales is similar to that of humans 18.05.2024

In the world of the ocean, where the mysterious and unknown coexists with the studied, sperm whales, with their huge brains, are of particular interest to science. Researchers, working with a huge array of audio recordings collected during the Dominica Sperm Whale Project (DSWP) - more than 8000 recordings, seek to unravel the secrets of their communication and understand the structure and complexity of the language of these mysterious creatures. By studying in detail the recordings of 60 sperm whales in the eastern Caribbean, scientists have revealed surprising features of their communication, revealing the complexity of their language. "Our observations indicate that these whales have a highly developed combinatorial communication system, including rubato and ornaments, which indicates their ability to quickly adapt and vary during communication. Despite significant differences in evolution, sperm whales have elements in their communication that are characteristic of human communication," says Shane Gero, a biologist at Carleton University and director of the CETI project. Issl ... >>

Electron spin for quantum information transfer 18.05.2024

The transfer of quantum information remains one of the key tasks of modern science. Recent advances in the use of electron spin to expand the capabilities of information transfer in quantum systems have become very important. Researchers at Lawrence Berkeley National Laboratory are pushing the frontiers of quantum information science by experimenting with the possibilities of electron spin. Electron spin, a natural quantum bit, is a potentially powerful means for storing and transmitting information in quantum systems. Magnon wave packets, collective excitations of electron spin, have revealed their potential to transmit quantum information over significant distances. The work of Berkeley Lab researchers has revolutionized the way such excitations propagate in antiferromagnets, opening up new prospects for quantum technologies. Using pairs of laser pulses, scientists disrupted antiferromagnetic order in one place and simultaneously studied it in another, creating ... >>

Sound-absorbing silk 17.05.2024

In a world where noise is becoming increasingly intrusive, the emergence of innovative materials that can reduce its impact is of great interest. MIT researchers have unveiled a new sound-absorbing silk fabric that promises to revolutionize quiet spaces. The Massachusetts Institute of Technology (MIT) has made significant breakthroughs in the field of sound absorption. Researchers have developed a special silk fabric that can effectively absorb sound and create cozy, quiet environments. The fabric, thinner than a human hair, contains a unique vibrating fiber that is activated when voltage is applied to it. This feature allows the fabric to be used to suppress sound waves in two different ways. The first method uses fabric vibrations to generate sound waves that cover and cancel out unwanted noise, similar to noise-canceling headphones. This p ... >>

Random news from the Archive

The world's fastest internet network 02.01.2015

US Internet has commercialized the world's fastest broadband Internet access network.

The system is said to provide data transfer rates up to 10 Gbps. This is an order of magnitude more than the bandwidth of the Google Fiber network, which allows you to download information at speeds up to 1 Gb / s.

The US Internet network is currently operating only in Minneapolis (Minnesota). Obviously, a 10-gigabit data link is hardly necessary for ordinary home users. In addition, the monthly subscription fee is $400. But the high-speed US Internet network may be required by Internet companies and small and medium-sized businesses using the SaaS (software as a service) model, when the supplier develops a web application and independently manages it, providing the customer with access to software resources over the Internet.

Note that, according to a recent study, the highest average Internet access speed was recorded in Hong Kong - 72,49 Mbps. The US is in 31st place in the ranking with a score of 20,77 Mbps.

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