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Power modules are favored by many engineers for their multiple advantages such as high integration, high reliability, and simplified design. However, even if the same power module is used, different ...[Details]
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1 Introduction With the continuous development of communication technology, people have higher and higher requirements for the communication rate and communication quality of information systems....[Details]
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Five starting points for developing LED lighting technology LED lamps are currently the most energy-saving, green and environmentally friendly electric light sources, and naturally become the...[Details]
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When we see a shining LED, we don't see that the LED light-emitting diodes require many procedures and technical requirements when they are assembled on the production line. Now Chaoyi Electronics ...[Details]
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Due to the immature technology and the limitations of device performance, some parameters of early switching power supplies were not well done, such as EMC was difficult to pass, high standby power...[Details]
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With the rapid development of electronic technology, electronic equipment is also developing towards functional integration and miniaturization, which brings us many conveniences, but electromagnetic...[Details]
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It has been three years since the birth of the 240V high-voltage DC power supply standard for IT equipment. Nowadays, some telecom operators and some large Internet companies have adopted 270V (nomin...[Details]
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There are two different opinions on whether alkaline batteries can be recharged. Some say they can be recharged and the effect is very good. Some say they absolutely cannot be recharged, and the ba...[Details]
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When the battery is fast charged, an inappropriate charge termination method may lead to a shortened battery life. At present, environmentally friendly NiMH batteries will gradually replace NiCd ba...[Details]
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The circuit of this device is shown in the figure. The AC voltage output by the magneto is rectified by diodes D1~D6 and becomes a pulsating DC voltage, which is output in two ways. One way is a ...[Details]
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The circuit shown in Figure 1 is a configurable 4mA to 20mA loop-powered transmitter based on an industry-leading micropower instrumentation amplifier. Total unadjusted error is less than 1%. It ca...[Details]
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The circuit of the intelligent humidity meter composed of HM1500/1520 humidity sensor and single chip is shown in the figure below. The meter adopts +5V power supply and is equipped with 4 common c...[Details]
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The circuit of the "Clairvoyant" charger is shown in the figure. Among them, the unidirectional thyristor VS1 is the charging current tube of the battery GB, and VS2 is used to cut off the charging...[Details]
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Current feedback (CFB) amplifiers are mostly classified as high-speed amplifiers. In recent years, a large number of good application guides have been published to introduce the operation of applyi...[Details]
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Shortwave communication, also known as high frequency communication, is radio communication using electromagnetic waves in the HF band (3-30MHz). Shortwave communication mainly relies on sky waves,...[Details]