Voltage stabilizer at 35 volts. Scheme, description

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Voltage stabilizer at 35 volts. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Surge Protectors

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The circuit is a simple voltage regulator.

(click to enlarge)

The operating voltage range from 30 to 50 volts is determined by the selection of zener diodes. The elements indicated in the diagram provide an output voltage of 35 volts.

Transistor Q2 needs to be mounted on a heatsink. In order to reduce the power dissipation on the transistor, a resistance is included in the collector circuit of the transistor, which is gained by selecting resistors connected in parallel.

To reduce losses and the amount of heat generated on transistor Q2, it is desirable that the difference between the input and output voltages be within 3-5 volts.

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Random news from the Archive

Counterfeit alcohol detector 27.09.2017

English scientists have developed an apparatus that is able to recognize the fakeness of alcohol. The novelty was called SORS. The device is able to detect fake alcohol or not through a closed container.

SORS was invented by scientists at the University of Manchester. The device works on the principle of Ramon spectroscopy. The laser beam penetrates the substance under study and analyzes the changes in the radiation frequency that occur due to the inelastic scattering of light in the molecules. Photons begin to interact very weakly with alcohol atoms. As a result, energy is either lost or gained. The device separates these particles from each other, then their spectrum is studied.

The experiment was carried out on 150 brands of various types of alcoholic beverages and on 40 types of counterfeit ones. During the study, all drinks were sealed in bottles.

During testing, the device was able to identify fake alcohol from the original one, as well as evaluate the alcohol content in it.

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