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The video surveillance system is a comprehensive system that integrates computer processing technology, network communication technology and digital audio and video encoding and decoding technology...[Details]
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Wideband amplifier with 80DB logarithmic compression characteristics
Function of the circuit
The circuit using the logarithmic conversion characteristics of transistor IO and VBE can only proc...[Details]
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In PLC programming, it is often required to maintain a timing pulse signal for a scanning cycle, as shown in the figure. Due to the different resolutions of timers, the refresh changes of the curre...[Details]
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In order to effectively eliminate fire safety hazards in residential areas, prevent the occurrence of fire accidents, continue to promote the three-year special rectification action for fire safety...[Details]
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1 Introduction
Power electronic products are widely used in the field of industrial control, and users have higher and higher requirements for power quality, among which the most prominent...[Details]
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1 Introduction The RH-MFB vacuum treatment device of Panzhihua Iron and Steel Co., Ltd. is mainly used to remove gas, inclusions, desulfurize and decarbonize molten steel. During the treatment proce...[Details]
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Is a refrigeration system the same as a refrigerator?
Refrigeration systems and chillers are not exactly the same, they are related but different concepts.
A refrigerator is a device used...[Details]
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Acquisitions are a significant source of innovative consolidation in the tech industry. Recently, there has been a trend toward RF-focused acquisitions. What does this mean for electronics engineers ...[Details]
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Same as ground Insulation testing is an entry-level technique for electrical engineers Regularly check the insulation of equipment Potential problems can be discovered in advance to prevent damage an...[Details]
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Neutral point type electronic transformer circuit
Figure 4 uses C3 and C4 to create an artificial "neutral point", and the high-frequency voltage output from the 2nd pin of MR9830 forms a loop thro...[Details]
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In C51 programming, sometimes when controlling some devices, strong real-time performance is required. At this time, it is necessary to embed ASM statements in them. There are many methods of embed...[Details]
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According to Jiwei.com, with the normalization of COVID-19 prevention and control, enterprises are gradually returning to normal operation. In order to reduce intensive contact between people in conf...[Details]
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CPSR register (program status): T flag: 1: THUMB state (instructions are 16-bit half-aligned) 0: ARM state (instructions are 32-bit aligned) I, F: interrupt mask bits, setting them to 1 ca...[Details]
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1. Engine electronic control system
The engine electronic control system (EECS) electronically controls engine ignition, fuel injection, air-to-fuel ratio, exhaust emissions, etc., so that the...[Details]
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CoreEngine Technology recently announced that its all-scenario high-end autonomous driving chip "Xingchen-1" was successfully powered up and quickly exceeded all performance design targets. The chi...[Details]
Security Electronics
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