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Huawei's investment company, Hubble Technology Investment Co., Ltd. (hereinafter referred to as Hubble Investment), has once again invested in a wholly domestic-owned limited liability company - Xing...[Details]
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Are tube amplifiers useful?
There are many modern music electronic devices, such as MP3, Walkman, stereo, etc., which enrich our music world and make our life colorful. Amplifier is also a ver...[Details]
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The purpose of transformer drying is to remove moisture from the transformer insulation material, increase its insulation resistance, and improve its flashover voltage. Transformers with voltages a...[Details]
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Nvidia's failed acquisition of Arm once again shows that mergers and acquisitions in the semiconductor industry are becoming increasingly difficult. Under this circumstance, Korean media reported tha...[Details]
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Contents The invention relates to the technical field of downhole production testing used in oil exploitation, in particular to a downhole vortex flowmeter for supercritical carbon dioxide with a sma...[Details]
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Operation Instructions Before testing, the instrument host and voltage collector shell should be reliably grounded, and correct wiring should be performed according to different test methods. For wi...[Details]
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A stepper motor is a brushless DC motor that can rotate in steps and is the best choice for many precision motion control applications. In addition, stepper motors are suitable for positioning, spe...[Details]
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Selection of the working mode of the switching power supply: In the switching power supply circuit, there are four basic types: single-ended flyback, single-ended forward, half-bridge and full-br...[Details]
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Blue
LED
Refers to a blue light-emitting diode. The center of the emission wavelength is around 470nm. It is used as a light source for the blue
display
part of lighting equipment and ...[Details]
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According to the Taiwan Economic Daily, the current semiconductor silicon wafer market has seen long-term customers requesting postponement of shipments. Spot prices have recently begun to lead the d...[Details]
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The core value of a car is obviously not its glamorous appearance or fancy configuration, but the technical highlights that best reflect the progress of science and technology. The foreign auto...[Details]
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The biggest feature of LED light sources is their long lifespan, which can reach 50,000 to 100,000 hours. It is not practical to monitor their light decay over a long period of time. Therefore, th...[Details]
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When the system is powered off, the power supply voltage will fluctuate for a certain period of time. If you do not handle it, you will find that the MCU will automatically reset and restart, an...[Details]
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It is a common "industry consensus" that the RTC crystal oscillator of STM32 often fails to oscillate. Many people ask for help on various electronic forums with questions like "Ask an expert for adv...[Details]
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The inductor of a switching power supply is an important component of a switching power supply device. It works on the principle of electromagnetic induction. Its function is to block AC and pass DC,...[Details]