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Automotive electronics. Schemes, articles, descriptions

Free library / Schemes of radio-electronic and electrical devices

Car electronics

We recommend reading in our Free Technical Library:

Small-sized CB antenna



VHF Antenna Section. Antenna economy is a necessary component of any radio station. For a CB radio station, which can be used both in a mobile version - from a car, and stationary - from a house, it is necessary to have a permanent home antenna. One of the simplest and most effective variants of such an antenna was given in [1], but this antenna works effectively only on the upper floors of buildings. When located on the lower floors, its effectiveness is significantly reduced due to the strong absorption of the vertical component of the radiation by nearby houses, which are a fairly effective screen. ... >>

Metal detector with combined coils



Section Metal detectors. The metal detector circuit does not have any features, it is simple and accessible for repetition even by beginner radio amateurs. As is often written in books and magazines, with proper installation and serviceable parts, it starts working right away. The printed circuit board of the device is made for SMD components, all parts are installed from the side of the foil, and no drilling is required. ... >>

Complementary transistor power amplifier



Section Transistor power amplifiers. The amplifier is completely made on complementary transistors. It works in AB mode. The applied circuit solutions made it possible to reduce non-linear distortions to a minimum. The main feature of the amplifier is the symmetry of the arms for both half-waves of the amplified signal. This made it possible to reduce the non-linear distortion of the amplifier without introducing OOS. Another feature of the stands in the output stage circuit, which allows amplifying the signal not only in current, but also in voltage. At the same time, the operating mode of the preliminary stage transistors is facilitated, since the required signal amplitude is significantly less than for a conventional output stage. ... >>

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Automotive Articles

 


 

Automobile. Batteries, chargers

Articles on automobile accumulators, chargers; schemes of car chargers; descriptions of car chargers, batteries: 49 articles

 


 

See also: Articles on chargers, batteries, galvanic cells

Articles on chargers, accumulators, galvanic cells; charger circuits; descriptions of chargers, batteries, galvanic cells: 246 articles

 


 

Automobile. Ignition

Articles on automobile blocks of ignition; diagrams of automotive ignition units; descriptions of automotive ignition units: 50 articles

 


 

Automobile. Security devices and alarms

Articles on automobile security devices, car alarms; diagrams of automobile security devices, car alarms; descriptions of car security devices, car alarms: 63 articles

 


 

Automobile. Speedometers and tachometers

Articles on automobile speedometers and tachometers; schemes of automobile speedometers and tachometers; descriptions of car speedometers and tachometers: 20 articles

 


 

Automobile. Car wiring diagrams

Articles on the electrical equipment of automobiles; car diagrams; descriptions of electrical equipment of cars: 15 articles

 


 

Automobile. Electronic fuel injection

Articles on electronic fuel injection; schemes of electronic fuel injection devices; descriptions of electronic fuel injection devices: 21 articles

 


 

Automobile. Electronic devices

Articles on automobile electronic devices; diagrams of automotive electronic devices; descriptions of automotive electronic devices: 185 articles

 


 

Latest news of science and technology, new electronics:

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 ... >>

High Energy Density Capacitor 17.05.2024

Energy plays a key role in many aspects of modern life, and the ever-increasing demand for efficient and fast-charging power sources is driving innovation. Researchers at the McKelvey School of Engineering at Washington University in St. Louis have taken a significant step forward with a high-energy-density capacitor that promises to revolutionize the world of energy. A team of scientists from the McKelvey School of Engineering at Washington University in St. Louis presented the results of their latest research on heterogeneous thin-film structures for capacitors. Researchers, working with ferroelectrics, inadvertently created a capacitor with an amazing energy density that is 19 times higher than that of conventional elements. This breakthrough opens up new prospects for the development of fast-charging batteries, which are so necessary in the modern world. Capacitors play a key role in various devices, providing stable ... >>

Causes of conflicts between brothers and sisters 16.05.2024

Family relationships are often complex and multi-layered, and conflicts between siblings are no exception. Research in this area can help us understand what factors underlie these conflicts and why they occur so frequently. Let's look at some of the findings from psychologists at Arizona State University. American psychologists from Arizona State University conducted a study aimed at identifying the causes of conflicts between brothers and sisters. They found that different forms of violence, whether physical or verbal, did not depend on the gender of the siblings. This means that both girls and boys can exhibit aggressive behavior towards their loved ones. Other studies have shown that conflict between siblings often persists into adulthood, even as contact decreases. This indicates that people often follow established patterns of behavior formed in childhood. It was also found that, despite ... >>

Random news from the Archive

Biometric Scanner Finger Vein Authentication Device 25.09.2007

The new biometric scanner from Hitachi allows you to protect your PC from unauthorized access, and absolutely reliably.

You just need to connect the device to a computer via the USB port (from which it is powered) and configure the appropriate software. The guarantee of security is ensured by the fact that the Finger Vein Authentication Device does not scan a fingerprint, but a pattern of veins inside it, which is almost impossible to fake.

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