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BUERK MOBATIME electrical components are devices for detachable (active) connection between optical fibers. They precisely align the two end faces of the optical fibers to maximize the coupling of light energy output from the transmitting fiber into the receiving fiber, and minimize the impact on the system caused by their insertion into the optical link. This is the basic requirement for fiber optic connectors. To a certain extent, fiber optic connectors affect the reliability and various performance metrics of optical transmission systems.

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Antennas radiate radio waves and also receive radio waves. However, what the transmitter feeds into the antenna via the feed line is not radio waves, and the receiving antenna cannot directly feed radio waves into the receiver via the feed line; an energy conversion process must occur in between. Below, we take radio communication equipment as an example to analyze the signal transmission process, thereby illustrating the energy conversion role of antennas. At the transmitting end, the modulated high-frequency oscillating current (energy) generated by the transmitter is input to the transmitting antenna via the feeding device (the feeding device can directly transmit current waves or electromagnetic waves depending on frequency and form). The transmitting antenna converts the high-frequency current or guided wave (energy) into radio waves—free electromagnetic waves (energy)—radiating them into the surrounding space. At the receiving end, radio waves (energy) are converted by the receiving antenna into high-frequency current or guided wave (energy), which is then transmitted to the receiver via the feeding device. From the above process, it can be seen that the antenna is not only a device for radiating and receiving radio waves, but also an energy converter, serving as the interface device between the circuit and space.

BUERK MOBATIME electrical components function

(1) often compares the functions of sensors to the human 5 major sensory organs: photosensitive sensors - vision, acoustic sensors - hearing, gas-sensitive sensors - smell, chemical sensors - taste, pressure-sensitive, temperature-sensitive, and fluid sensors - touch. (2) Classification of sensitive elements: Physical type, based on physical effects such as force, heat, light, electricity, magnetism, and sound. Chemical type, based on the principles of chemical reactions. Biological type, based on molecular recognition functions such as enzymes, antibodies, and hormones. Usually, according to their basic sensing functions, they can be divided into ten major categories: thermal-sensitive elements, photosensitive elements, gas-sensitive elements, force-sensitive elements, magnetic-sensitive elements, humidity-sensitive elements, acoustic-sensitive elements, radiation-sensitive elements, color-sensitive elements, and taste-sensitive elements (some have also classified sensitive elements into 49 categories).

BUERK MOBATIME electrical components function

Multimeters can not only be used to measure the resistance of objects, AC and DC voltage, but also DC voltage. Some multimeters can even measure the main parameters of transistors and the capacitance of capacitors. Proficient mastery of multimeter usage is one of the most basic skills in electronic technology. Common multimeters include analog multimeters and digital multimeters. An analog multimeter is a multifunctional measuring instrument with a meter head as the core component, and the measured value is read from the pointer of the meter head. The measured value of a digital multimeter is directly displayed in numerical form on an LCD screen, making it easy to read; some also feature voice prompt functions. A multimeter is an instrument that shares a single meter head, integrating a voltmeter, ammeter, and ohmmeter. The DC current range of a multimeter is a multi-range DC voltmeter. Connecting a shunt resistor in parallel with the meter head expands its current range. The DC voltage range of a multimeter is a multi-range DC voltmeter. Connecting a voltage-divider resistor in series with the meter head expands its voltage range. Different voltage-divider resistors correspond to different ranges. The meter head of a multimeter is a magnetoelectric measuring mechanism, which can only pass DC. By using diodes to convert AC to DC, it achieves the measurement of AC electricity.

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