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1. Use analog method to measure DC current (1) The DC current range of an analog multimeter is generally composed of a microampere meter head (40µA~100µA) connected in parallel with a shunt resistor....[Details]
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A satellite digital TV set-top box is a device that receives the first intermediate frequency signal sent by the high-frequency head of the satellite signal receiving antenna, performs channel deco...[Details]
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Crystal Oscillator Tester Circuit
Crystal Oscillator Tester Circuit
Can test crystal oscillators of any frequency, but its best working state is in the range of 3-10MHz.
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Crystalline silicon solar cell conversion efficiency
1. Conversion efficiency loss mechanism of silicon solar cells
The conversion efficiency of solar cells is limited by light absorption, ...[Details]
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A feedback control system that uses temperature as the controlled quantity. In the physical processes and chemical reactions of production processes such as chemical, petroleum, and metallurgy, tem...[Details]
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LED is a type of light-emitting device that can directly convert electrical energy into visible light and radiation energy. It has a series of characteristics such as low operating voltage, low power ...[Details]
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LED is the abbreviation of light emitting diode. Its basic structure is a piece of electroluminescent semiconductor material placed on a rack with leads, and then sealed with epoxy resin on all s...[Details]
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Quaternary Phase Shift Keying (QPSK) is a linear narrowband digital modulation technology, which has played an important role in digital modulation technology and is widely used in satellite communic...[Details]
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1. Inductor
1.1 Magnetic Core
EE10: 10W or less EE13: 13W or less EE16: 18W or less EE19: 24W or less EE19 thickened, EE20: 30W or less EE25, EI25: 45W or less EE25 thickened EI28: 80W or...[Details]
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Zhiyun Holdings issued an announcement stating that its wholly-owned subsidiary Shenzhen Xinsanli Automation Equipment Co., Ltd. (hereinafter referred to as "Xinsanli") recently received the "Notice ...[Details]
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Since Huawei and Honor separated, the issue of system updates has always been the focus of discussion. At present, Huawei has officially released a roadmap for upgrading old Honor models to HarmonyOS...[Details]
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Rochester Electronics joins hands with Skyworks Provide customers with continuous product support, covering non-discontinued and discontinued components Newburyport, Massachusetts, USA, March 2023...[Details]
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Summary This note mainly records the development, compilation and configuration of MACL and EB based on MPC5744P. Preparation Prepare a project configured under EB. Here we take a routine as an exa...[Details]
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The trend towards new energy and intelligent connected vehicles is already here, and the entry of ICT companies such as Huawei is subverting the main architecture of automobiles and stirring up troub...[Details]
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● Electric vehicle startup standardizes on Siemens Teamcenter X and NX software to reduce IT investment while increasing accessibility for development teams and supply chain
Siemens Digi...[Details]