electrical equipment

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The device and operation of the transformer. Types of cores for transformers. The concept of an autotransformer. The use of transformers. Voltage transformation

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The device and types of optocouplers, what is it. Advantages and disadvantages of optocouplers. Scope of optocouplers and where they are used.

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The main technical characteristics of the transistor 13001. Package options and pinout 13001, analogues. Scope of transistors 13001.

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What is a local oscillator, its purpose, a description of the operation of a local oscillator and the principle of heterodyne reception. Basic requirements for the parameters of the local oscillator.

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Device, CVC and types of field effect transistors. Unipolar triodes with p-n junction, with an insulated gate. Schemes for switching on field-effect transistors.

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What is a microchip. Their purpose and use. Types of modern microcircuits. Chip cases.Benefits of using microchips.

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Connection of motor windings according to the star and delta scheme. Comparison of connection schemes with each other. Switching scheme from star to delta.

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What is an attenuator and how does it work. Types, electrical diagrams, main characteristics and scope. adjustable attenuators.

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What is a thermistor, their varieties, principle of operation and methods of testing for performance
What is a thermistor, device, types, principle of operation and main characteristics. How to check the thermistor for performance. Where applicable

18
The principle of operation of Hall effect sensors. Varieties of Hall sensors, their device and applications. How to check the Hall sensor for performance, ...

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What are voltage stabilizers KREN 142. Varieties and analogues of microcircuits. Main technical characteristics. Purpose of conclusions and principle of operation ....

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Three-digit and four-digit marking of SMD resistors. Marking SMD resistors according to EIA-96. Tables of code-values and multipliers for marking resistors according to EIA-96. Examples...

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Why do you need a rectifier in electrical engineering. The principle of operation of rectifiers. Typical rectifier circuits: single-phase and three-phase rectifiers and rectifiers with multiplication...

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Description and application of 1N4001 - 1N4007 series rectifier diodes. Main technical characteristics of diodes 1N4001 - 1N4007. What are the domestic and ...

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What is the TL431 chip. Main characteristics, purpose of conclusions and principle of operation of TL431. Examples of switching circuits and which ones exist ...