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Switch regulator based on LCbuck converters are much like barrel regulators, except that inductors replace resistors and a "new" diode is added. If we can understand the function of the diode, we can understand the basic principle of various power converters more clearly. This diode is called a clamp diode, a continuation diode, a commutator diode, or an output diode.

Switch power output protection policyIn all switching power supply designs, protection against load and protection against power supply due to load failure is a very important aspect to be considered in the design. In the design of military products, a kind of work called failure mode and impact analysis is often required. In this work, each part of the circuit is assumed to be an open circuit fault and then a short circuit fault. In this case, analyze separately how each fault will affect the rest of the circuit.

What are the differences between the QCW, CW and PW working modes of laser source?Laser source is a device that transfers energy from an active medium to an output beam. The working mode of the laser source has an important impact on the performance and application of the laser source. In the operation of laser source, QCW (pulse modulation width), CW (continuous wave) and PW (pulse wave) are common operating modes.

Ultraviolet disinfection methods and precautionsUltraviolet lamps are commonly used in medicine, drinking water and food, and are increasingly used in the home. The UV disinfection lamp radiates UV rays with a wavelength of 253.7nm. The ultraviolet band has the strongest sterilization ability, which can be used for disinfection and sterilization of water, air, clothing, etc. The commonly used UV disinfection lamps in pig farms have specifications of 15W, 20W, 30W and 40W, and the use voltage is 220V.

Laser cutting machine equipment common faults and solutions1, boot without any response▶ Power fuse is burnt out: Replace the fuse.▶ Power input is normal: Check power input and make it normal.▶ Main power switch is damaged: Replace the main power switch.2, no laser output or very weak laser▶ Optical path offset: Carefully adjust the optical path.▶ Contaminated or damaged reflector lens: Clean or replace reflector lens.▶ Whether the focal length of the device is changed: readjust the focal length.▶ Focusing mirror is contaminated: Clean the focusing mirror.▶ Cooling water quality or temperatur

Why does melt-blown cloth need static electret equipment?01 Why does melt-blown cloth need static electret equipment?Electret electrostatic adsorption is to capture coronavirus droplets through the coulomb force of charged fibers.

What is the principle of pulsed strong light sterilizationPulsed strong light is the synergistic action of visible light, infrared light and ultraviolet light on microorganisms, which can destroy the cell wall and nucleic acid structure of microorganisms, thus killing microorganisms. Pulsed strong light has obvious bactericidal effect on mold, gram-positive pathogenic bacteria, Gram-negative pathogenic bacteria, aerobic bacterial spores and fungal conidia, Staphylococcus aureus, Bacillus subtilis, yeast and so on.

Pulsed bright light sterilization, what is the status of this field?Pulsed strong light has been successfully used in air disinfection, food and beverage sterilization. Because of its sterilization speed, has a unique advantage, and will not change any ingredients of the material, does not affect the color and taste of the material.

Influencing factors of inductance saturationA key question is how to ensure "fast enough", that is, what factors influence switching off the tube quickly to avoid the consequences of inductance saturation? This may be the ultimate determinant of the volume and price of the inductor, so it is important to have a good understanding of the response time issue.1. All current limiting loops require a certain time response.

A key query is how to make sure "fast enough", that is, what elements affect switching off the tube rapidly to keep away from the penalties of inductance saturation? This may also be the last determinant of the quantity and charge of the inductor, so it is vital to have a exact appreciation of the response time issue.1. All present day limiting loops require a positive time response.