Electrical Equipment
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The structure and operation of the transformer. Types of cores for transformers. The concept of an autotransformer. Application of transformers. Voltage transformations
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The device and types of optocouplers, what they are. Advantages and disadvantages of optocouplers. Applications for optocouplers and where they are used.
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Basic specifications of transistor 13001. 13001 enclosure and pin options, analogs. Applications for 13001 transistors.
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What a heterodyne is, its purpose, description of the heterodyne operation and the principle of heterodyne reception. Basic requirements for heterodyne parameters.
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Design, circuit diagram and types of field-effect transistors. Unipolar p-n junction triodes with isolated gate. Diagrams for switching field effect transistors.
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What is a microcircuit. Their purpose and use. Types of modern microcircuits. Chipshells. Advantages of using microcircuits.
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Connection of electric motor windings according to star and delta circuit. Comparison of wiring diagrams with each other. Circuit of switching from star to delta.
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What is an attenuator and how it works. Types, wiring diagrams, main characteristics and area of application. Adjustable attenuators.
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What is a thermistor, its design, types, principle of operation and main characteristics. How to test a thermistor for proper operation Where to use them
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The principle of operation of Hall effect sensors. Types of Hall effect sensors, their construction and applications. How to check a Hall sensor for proper functioning,...
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What are the KREN 142 voltage regulators. Varieties and analogs of microcircuits. The main technical characteristics. Pin assignment and principle of operation....
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Three- and four-digit marking of SMD resistors. Marking of SMD resistors according to EIA-96. Tables of code-values and multipliers of EIA-96 resistor marking. Examples ...
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What a rectifier is used for in electrical engineering. The principle 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. The main technical characteristics of diodes 1N4001 - 1N4007. What are the domestic and...
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What is the microcircuit TL431. The main characteristics, pin assignment and working principle of the TL431. Examples of circuit diagrams and what are...