Menu English Ukrainian russian Home

Free technical library for hobbyists and professionals Free technical library


ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
Free library / Schemes of radio-electronic and electrical devices

Power supply with amplifier, 0-5 amps. Encyclopedia of radio electronics and electrical engineering

Free technical library

Encyclopedia of radio electronics and electrical engineering / Power Supplies

Comments on the article Comments on the article

A large current in the range of 0 to 5 A can be obtained from the circuit shown in fig. 1.41. The output voltage depends on the integrated circuit of the stabilizer. IC 6 is used for 7806V and IC 12 is used for 7812V.

Power supply with amplifier, 0-5 amps

Transistor Q1 must be mounted on a heatsink. Resistor R1, connecting the base to the emitter of the transistor, determines the opening point of the transistor. Note that this circuit is not short-circuit proof.

The list of power supply elements with an amplifier is presented in Table. 1.4.

Table 1.4. The list of elements of the power supply with an amplifier

Power supply with amplifier, 0-5 amps

Author: N.S.Braga

See other articles Section Power Supplies.

Read and write useful comments on this article.

<< Back

Latest news of science and technology, new electronics:

Machine for thinning flowers in gardens 02.05.2024

In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

Advanced Infrared Microscope 02.05.2024

Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>

Air trap for insects 01.05.2024

Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>

Random news from the Archive

Gas storage inside coal 08.06.2023

Scientists at the University of Pennsylvania have built a prototype plant for pumping hydrogen gas into coal and extracting it from there. The researchers plan to use natural coal as a gas storage and thus store energy in it, instead of burning coal. Such an approach, engineers are sure, can revolutionize the energy sector.

Scientists note that considering that environmental initiatives to preserve the environment and search for alternative energy sources are actively promoted in the world, the coal industry begins to suffer significant losses. Despite this, the mineral reserves are still very large, and this creates significant problems for the economies of countries involved in the mining industry. In addition, hydrogen is considered a promising source of energy for the future, as it is easy to obtain and when burned, it does not form harmful emissions. However, the storage of hydrogen on an industrial scale is a super-difficult task that has not yet been implemented.

Scientists emphasize that it is wrong to consider coal as a mineral. In its structure, it is more like a polymer of carbon - like a porous sponge that can absorb a significant amount of gas molecules. The researchers believe that the same principle can be applied to hydrogen.

Scientists admit that the technology of storing hydrogen in coal is not ready for practical application, but in the future it may become the basis of energy, since it will allow the use of natural materials in a new quality and in large quantities. This gives a chance to restore coal production and at the same time reduce emissions of harmful gases into the atmosphere.

Other interesting news:

▪ Australian city powered by solar energy

▪ Found a trace of the impact of the largest meteorite in history

▪ Growing stem cells on the ISS

▪ Stem cells cured the brain

▪ Link found between food intake and body clock

News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ section of the site Reference materials. Article selection

▪ hovercraft article. History of invention and production

▪ What impact did the economic crisis of 1974-1975 have on the development of Western civilization? Detailed answer

▪ article Tobacco virginian. Legends, cultivation, methods of application

▪ article Zinc drying oil. Simple recipes and tips

▪ article Wiring. General requirements. Encyclopedia of radio electronics and electrical engineering

Leave your comment on this article:

Name:


Email (optional):


A comment:





All languages ​​of this page

Home page | Library | Articles | Website map | Site Reviews

www.diagram.com.ua

www.diagram.com.ua
2000-2024