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1. Improper configuration of speakers and power amplifiers
It is not true that the output power of the power amplifier is too high, which will damage the tweeter. In professional occasions, the spe...[Details]
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1. Use high-temperature tin wire or red glue to fix the circuit board. You can also buy a professional temperature measuring board or high-temperature tape for professional furnace temperature testin...[Details]
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1. Normally, the DC power input reverse connection protection circuit uses the unidirectional conductivity of the diode to achieve reverse connection protection. See Figure 1 below:
This conn...[Details]
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Oversampling and digital filtering can help to reduce the requirements on the antialiasing filter preceding the ADC. Reconstruction DACs can use the principles of oversampling and interpolation in ...[Details]
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Soft-pack batteries are becoming more and more popular. Data shows that among the 20 best-selling new energy passenger cars in Europe in 2020, 15 are equipped with soft-pack power batteries, accou...[Details]
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The Ministry of Industry and Information Technology issued a notice on apps that infringe on user rights (the 4th batch in 2021, the 13th batch in total). IT Home learned that the Ministry of Industr...[Details]
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Recently, Ningbo Geely Automobile Research and Development Co., Ltd. disclosed a patent named "Vehicle Fault Prediction Method, Prediction System and Vehicle", with publication number CN112558592A an...[Details]
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Used to measure DC current, DC voltage, AC voltage and resistance, etc. 1. Measurement of DC current 2. Measurement of DC voltage 3. Measurement of AC voltage 4. Resistance measurement When mea...[Details]
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On October 8, 2019, Swiss scientists Michel Mayor and Didier Queloz and Canadian-American James Peebles jointly won the Nobel Prize in Physics for their pioneering work in cosmology and exoplanets. ...[Details]
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1. Introduction to DS18B20 The DS18B20 digital temperature sensor is easy to wire and can be used in a variety of occasions after packaging, such as pipeline type, threaded type, magnet adsorption ty...[Details]
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Corning Expands High-Refractive-Index Glass Portfolio to Advance Augmented Reality (AR) Adoption
2.0 High Refractive Index Glass Helps AR Wearable Devices Present Larger and Clearer ...[Details]
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Traditional car navigation systems are now facing the need to redefine themselves. This is due to the rise of smartphones. Faced with smartphones that are always online and can continuously increas...[Details]
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Recently, Turlough McCormack, an official from the Irish Development Agency (IDA), contacted the editor of semiwiki and was interviewed by semiwiki on a series of issues including Intel's semiconduct...[Details]
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1. Brake light: The Hall switch can detect the position of the brake pedal, thereby triggering the lighting of the brake light.
2. Turn signal: The Hall switch can detect the position of the s...[Details]
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There are many types of oscilloscopes, which can be roughly divided into desktop oscilloscopes and PC oscilloscopes, digital oscilloscopes and analog oscilloscopes. The quality, function, perfo...[Details]
Test/Measurement
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